java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety-ext/tree_of_cslls_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 21:06:48,192 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:06:48,194 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:06:48,207 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 21:06:48,207 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 21:06:48,208 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 21:06:48,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 21:06:48,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 21:06:48,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 21:06:48,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 21:06:48,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 21:06:48,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 21:06:48,216 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 21:06:48,217 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 21:06:48,218 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 21:06:48,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 21:06:48,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 21:06:48,224 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 21:06:48,225 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 21:06:48,227 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 21:06:48,229 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 21:06:48,229 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 21:06:48,229 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 21:06:48,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 21:06:48,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 21:06:48,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 21:06:48,233 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 21:06:48,233 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 21:06:48,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 21:06:48,234 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 21:06:48,235 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 21:06:48,235 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 21:06:48,258 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:06:48,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:06:48,259 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:06:48,259 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:06:48,259 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:06:48,260 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:06:48,260 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:06:48,260 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:06:48,260 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:06:48,261 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:06:48,261 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:06:48,261 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:06:48,261 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:06:48,261 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:06:48,262 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:06:48,262 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:06:48,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:06:48,262 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:06:48,262 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:06:48,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:06:48,262 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:06:48,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:06:48,263 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:06:48,263 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:06:48,263 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:06:48,263 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:06:48,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:06:48,264 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:06:48,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:06:48,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:06:48,264 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:06:48,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:06:48,264 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:06:48,265 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:06:48,265 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:06:48,266 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:06:48,266 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:06:48,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:06:48,308 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:06:48,311 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:06:48,312 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:06:48,313 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:06:48,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,591 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGeb62490d2 [2018-03-29 21:06:48,804 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:06:48,804 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:06:48,804 INFO L168 CDTParser]: Scanning tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,814 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:06:48,814 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:06:48,814 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:06:48,814 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,814 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:06:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____fsfilcnt64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__ino_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__int32_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_int64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__TreeNode in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__gid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__off_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__fsfilcnt_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____blkcnt64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__ldiv_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____int8_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____ssize_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__timer_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____socklen_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__register_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____nlink_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_mutex_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__key_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____rlim_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____fsblkcnt64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____swblk_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____int32_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____time_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__int8_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____suseconds_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__fsblkcnt_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____timer_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_int in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____rlim64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____fsfilcnt_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_mutexattr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____uint32_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__wchar_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_condattr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__fd_set in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____clockid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_attr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____caddr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__quad_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____dev_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__mode_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__lldiv_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__uid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__int16_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__suseconds_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____sigset_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____u_short in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__size_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_int16_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__ulong in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_cond_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_once_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____intptr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__div_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____u_long in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__blksize_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_spinlock_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_short in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__caddr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____mode_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____ino_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__clock_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__daddr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____fsid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____int16_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_rwlockattr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_long in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_char in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_barrier_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____off_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__blkcnt_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__ListNode in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____pthread_list_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_barrierattr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____loff_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__int64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____WAIT_STATUS in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_int32_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__fsid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__ushort in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_quad_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____u_quad_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____clock_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____u_char in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____uint8_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____blksize_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____gid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____off64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____quad_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____pid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____uint16_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____qaddr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____daddr_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__loff_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__id_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__uint in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__u_int8_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_rwlock_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____u_int in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____useconds_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__dev_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__nlink_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____fd_mask in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____id_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____key_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____int64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__time_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__clockid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__pthread_key_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____fsblkcnt_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____sig_atomic_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__fd_mask in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____uint64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____blkcnt_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____uid_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__ssize_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i____ino64_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftree_of_cslls_true_valid_memsafety_i__sigset_t in tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:48,873 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGeb62490d2 [2018-03-29 21:06:48,878 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:06:48,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:06:48,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:06:48,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:06:48,887 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:06:48,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:06:48" (1/1) ... [2018-03-29 21:06:48,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c23ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:48, skipping insertion in model container [2018-03-29 21:06:48,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:06:48" (1/1) ... [2018-03-29 21:06:48,904 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:06:48,936 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:06:49,115 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:06:49,169 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:06:49,175 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 110 non ball SCCs. Number of states in SCCs 110. [2018-03-29 21:06:49,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49 WrapperNode [2018-03-29 21:06:49,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:06:49,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:06:49,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:06:49,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:06:49,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (1/1) ... [2018-03-29 21:06:49,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (1/1) ... [2018-03-29 21:06:49,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (1/1) ... [2018-03-29 21:06:49,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (1/1) ... [2018-03-29 21:06:49,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (1/1) ... [2018-03-29 21:06:49,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (1/1) ... [2018-03-29 21:06:49,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (1/1) ... [2018-03-29 21:06:49,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:06:49,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:06:49,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:06:49,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:06:49,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (1/1) ... No working directory specified, using /storage/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 [2018-03-29 21:06:49,415 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:06:49,416 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:06:49,416 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 21:06:49,416 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 21:06:49,417 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 21:06:49,418 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 21:06:49,419 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 21:06:49,420 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 21:06:49,421 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 21:06:49,422 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 21:06:49,423 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 21:06:49,424 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:06:49,425 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:06:49,425 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-29 21:06:49,425 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-29 21:06:49,425 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:06:49,425 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:06:49,425 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:06:50,233 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:06:50,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:06:50 BoogieIcfgContainer [2018-03-29 21:06:50,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:06:50,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:06:50,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:06:50,238 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:06:50,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:06:48" (1/3) ... [2018-03-29 21:06:50,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b45cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:06:50, skipping insertion in model container [2018-03-29 21:06:50,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:06:49" (2/3) ... [2018-03-29 21:06:50,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b45cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:06:50, skipping insertion in model container [2018-03-29 21:06:50,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:06:50" (3/3) ... [2018-03-29 21:06:50,241 INFO L107 eAbstractionObserver]: Analyzing ICFG tree_of_cslls_true-valid-memsafety.i [2018-03-29 21:06:50,248 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:06:50,257 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 101 error locations. [2018-03-29 21:06:50,306 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:06:50,307 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:06:50,307 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:06:50,307 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:06:50,307 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:06:50,307 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:06:50,307 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:06:50,308 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:06:50,308 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:06:50,309 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:06:50,335 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-03-29 21:06:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-03-29 21:06:50,342 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:06:50,343 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:06:50,344 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:06:50,348 INFO L82 PathProgramCache]: Analyzing trace with hash 634925375, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:06:50,363 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:06:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:06:50,398 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:06:50,439 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 [2018-03-29 21:06:50,441 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:50,445 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:50,445 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:06:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:50,462 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:06:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:50,504 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:06:50,504 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:06:50,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:06:50,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:06:50,516 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:06:50,518 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2018-03-29 21:06:51,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:06:51,069 INFO L93 Difference]: Finished difference Result 682 states and 740 transitions. [2018-03-29 21:06:51,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:06:51,071 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-03-29 21:06:51,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:06:51,089 INFO L225 Difference]: With dead ends: 682 [2018-03-29 21:06:51,089 INFO L226 Difference]: Without dead ends: 435 [2018-03-29 21:06:51,094 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:06:51,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-03-29 21:06:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 280. [2018-03-29 21:06:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-03-29 21:06:51,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 296 transitions. [2018-03-29 21:06:51,153 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 296 transitions. Word has length 11 [2018-03-29 21:06:51,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:06:51,154 INFO L459 AbstractCegarLoop]: Abstraction has 280 states and 296 transitions. [2018-03-29 21:06:51,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:06:51,154 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 296 transitions. [2018-03-29 21:06:51,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-03-29 21:06:51,155 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:06:51,155 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:06:51,156 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:06:51,156 INFO L82 PathProgramCache]: Analyzing trace with hash 634925376, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:06:51,168 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:06:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:06:51,186 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:06:51,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:06:51,197 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:51,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:51,201 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:06:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:51,211 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:06:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:51,252 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:06:51,252 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:06:51,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:06:51,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:06:51,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:06:51,254 INFO L87 Difference]: Start difference. First operand 280 states and 296 transitions. Second operand 6 states. [2018-03-29 21:06:51,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:06:51,851 INFO L93 Difference]: Finished difference Result 576 states and 613 transitions. [2018-03-29 21:06:51,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:06:51,851 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-03-29 21:06:51,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:06:51,854 INFO L225 Difference]: With dead ends: 576 [2018-03-29 21:06:51,854 INFO L226 Difference]: Without dead ends: 574 [2018-03-29 21:06:51,855 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:06:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-03-29 21:06:51,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 278. [2018-03-29 21:06:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-03-29 21:06:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 294 transitions. [2018-03-29 21:06:51,872 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 294 transitions. Word has length 11 [2018-03-29 21:06:51,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:06:51,872 INFO L459 AbstractCegarLoop]: Abstraction has 278 states and 294 transitions. [2018-03-29 21:06:51,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:06:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 294 transitions. [2018-03-29 21:06:51,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-03-29 21:06:51,873 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:06:51,873 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:06:51,873 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:06:51,873 INFO L82 PathProgramCache]: Analyzing trace with hash 25855279, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:06:51,882 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:06:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:06:51,897 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:06:51,906 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 [2018-03-29 21:06:51,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:51,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:51,916 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:06:51,948 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:51,949 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:51,950 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 [2018-03-29 21:06:51,951 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:51,961 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:51,962 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:51,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:06:51,963 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:51,969 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. [2018-03-29 21:06:51,969 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-03-29 21:06:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:51,990 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:06:52,125 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 27 [2018-03-29 21:06:52,166 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:06:52,167 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:06:52,168 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 13 treesize of output 3 [2018-03-29 21:06:52,168 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:52,174 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. [2018-03-29 21:06:52,174 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:19 [2018-03-29 21:06:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:52,238 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:06:52,238 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-03-29 21:06:52,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-29 21:06:52,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-29 21:06:52,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-03-29 21:06:52,239 INFO L87 Difference]: Start difference. First operand 278 states and 294 transitions. Second operand 12 states. [2018-03-29 21:06:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:06:53,046 INFO L93 Difference]: Finished difference Result 494 states and 522 transitions. [2018-03-29 21:06:53,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 21:06:53,047 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 14 [2018-03-29 21:06:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:06:53,050 INFO L225 Difference]: With dead ends: 494 [2018-03-29 21:06:53,050 INFO L226 Difference]: Without dead ends: 487 [2018-03-29 21:06:53,050 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2018-03-29 21:06:53,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-03-29 21:06:53,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 271. [2018-03-29 21:06:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-03-29 21:06:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 287 transitions. [2018-03-29 21:06:53,063 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 287 transitions. Word has length 14 [2018-03-29 21:06:53,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:06:53,064 INFO L459 AbstractCegarLoop]: Abstraction has 271 states and 287 transitions. [2018-03-29 21:06:53,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-29 21:06:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 287 transitions. [2018-03-29 21:06:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-29 21:06:53,064 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:06:53,064 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:06:53,064 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:06:53,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1455428104, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:06:53,070 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:06:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:06:53,085 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:06:53,103 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 [2018-03-29 21:06:53,104 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,112 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:06:53,119 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 [2018-03-29 21:06:53,121 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 [2018-03-29 21:06:53,122 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,130 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,130 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-29 21:06:53,138 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 21 treesize of output 17 [2018-03-29 21:06:53,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:06:53,142 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,144 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,145 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,146 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:06:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:53,165 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:06:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:53,198 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:06:53,198 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:06:53,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:06:53,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:06:53,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:06:53,199 INFO L87 Difference]: Start difference. First operand 271 states and 287 transitions. Second operand 5 states. [2018-03-29 21:06:53,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:06:53,403 INFO L93 Difference]: Finished difference Result 376 states and 398 transitions. [2018-03-29 21:06:53,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:06:53,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-03-29 21:06:53,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:06:53,405 INFO L225 Difference]: With dead ends: 376 [2018-03-29 21:06:53,405 INFO L226 Difference]: Without dead ends: 375 [2018-03-29 21:06:53,406 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:06:53,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-03-29 21:06:53,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 270. [2018-03-29 21:06:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2018-03-29 21:06:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 286 transitions. [2018-03-29 21:06:53,416 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 286 transitions. Word has length 17 [2018-03-29 21:06:53,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:06:53,417 INFO L459 AbstractCegarLoop]: Abstraction has 270 states and 286 transitions. [2018-03-29 21:06:53,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:06:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 286 transitions. [2018-03-29 21:06:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-29 21:06:53,417 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:06:53,417 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:06:53,417 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:06:53,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1455428105, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:06:53,423 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:06:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:06:53,437 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:06:53,441 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 [2018-03-29 21:06:53,442 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,453 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:06:53,462 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 [2018-03-29 21:06:53,465 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 [2018-03-29 21:06:53,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,467 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,474 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 [2018-03-29 21:06:53,476 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 [2018-03-29 21:06:53,476 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,477 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,482 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-29 21:06:53,490 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 21 treesize of output 17 [2018-03-29 21:06:53,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:06:53,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,499 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 [2018-03-29 21:06:53,501 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 [2018-03-29 21:06:53,501 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,502 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,505 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-29 21:06:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:53,510 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:06:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:53,556 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:06:53,556 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-29 21:06:53,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 21:06:53,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 21:06:53,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:06:53,557 INFO L87 Difference]: Start difference. First operand 270 states and 286 transitions. Second operand 8 states. [2018-03-29 21:06:53,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:06:53,921 INFO L93 Difference]: Finished difference Result 464 states and 494 transitions. [2018-03-29 21:06:53,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:06:53,921 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-03-29 21:06:53,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:06:53,924 INFO L225 Difference]: With dead ends: 464 [2018-03-29 21:06:53,924 INFO L226 Difference]: Without dead ends: 463 [2018-03-29 21:06:53,924 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:06:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-03-29 21:06:53,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 269. [2018-03-29 21:06:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-03-29 21:06:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 285 transitions. [2018-03-29 21:06:53,936 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 285 transitions. Word has length 17 [2018-03-29 21:06:53,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:06:53,936 INFO L459 AbstractCegarLoop]: Abstraction has 269 states and 285 transitions. [2018-03-29 21:06:53,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 21:06:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 285 transitions. [2018-03-29 21:06:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-03-29 21:06:53,937 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:06:53,937 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:06:53,937 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:06:53,937 INFO L82 PathProgramCache]: Analyzing trace with hash 721792145, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:06:53,945 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:06:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:06:53,963 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:06:53,970 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 [2018-03-29 21:06:53,970 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,977 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:53,978 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:53,979 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 [2018-03-29 21:06:53,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:53,986 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-03-29 21:06:53,997 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 [2018-03-29 21:06:54,000 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 [2018-03-29 21:06:54,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,002 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:06:54,018 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 [2018-03-29 21:06:54,018 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,021 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,031 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:47 [2018-03-29 21:06:54,084 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 33 treesize of output 34 [2018-03-29 21:06:54,087 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 [2018-03-29 21:06:54,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,094 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,109 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 69 treesize of output 63 [2018-03-29 21:06:54,117 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 14 treesize of output 13 [2018-03-29 21:06:54,117 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,147 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,157 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,158 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:93, output treesize:47 [2018-03-29 21:06:54,169 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:54,170 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 [2018-03-29 21:06:54,170 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,186 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:54,187 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:54,188 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:54,189 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 [2018-03-29 21:06:54,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,201 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. [2018-03-29 21:06:54,201 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:50 [2018-03-29 21:06:54,221 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 41 treesize of output 33 [2018-03-29 21:06:54,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 14 [2018-03-29 21:06:54,236 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,240 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,251 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 19 treesize of output 15 [2018-03-29 21:06:54,254 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 [2018-03-29 21:06:54,254 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,256 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:54,277 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. [2018-03-29 21:06:54,277 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:68, output treesize:18 [2018-03-29 21:06:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:54,291 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:06:56,913 WARN L148 SmtUtils]: Spent 2551ms on a formula simplification that was a NOOP. DAG size: 49 [2018-03-29 21:06:57,132 WARN L148 SmtUtils]: Spent 174ms on a formula simplification that was a NOOP. DAG size: 50 [2018-03-29 21:06:57,139 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 76 [2018-03-29 21:06:57,162 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 11 treesize of output 10 [2018-03-29 21:06:57,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,189 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 61 treesize of output 57 [2018-03-29 21:06:57,192 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 57 treesize of output 44 [2018-03-29 21:06:57,192 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,194 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,196 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 21 treesize of output 19 [2018-03-29 21:06:57,198 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 8 treesize of output 1 [2018-03-29 21:06:57,198 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,202 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,223 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:06:57,285 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35 [2018-03-29 21:06:57,320 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 11 treesize of output 10 [2018-03-29 21:06:57,321 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-29 21:06:57,343 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 16 treesize of output 3 [2018-03-29 21:06:57,343 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,344 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,346 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 21 treesize of output 19 [2018-03-29 21:06:57,348 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 8 treesize of output 1 [2018-03-29 21:06:57,348 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,352 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,363 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:06:57,411 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 47 [2018-03-29 21:06:57,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:06:57,431 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,438 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 23 [2018-03-29 21:06:57,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 10 [2018-03-29 21:06:57,440 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,442 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,446 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,450 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 52 [2018-03-29 21:06:57,471 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 11 treesize of output 10 [2018-03-29 21:06:57,471 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,479 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 10 treesize of output 8 [2018-03-29 21:06:57,481 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 8 treesize of output 1 [2018-03-29 21:06:57,481 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,483 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,488 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,491 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2018-03-29 21:06:57,508 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 11 treesize of output 10 [2018-03-29 21:06:57,509 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,516 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 27 treesize of output 23 [2018-03-29 21:06:57,518 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 10 [2018-03-29 21:06:57,518 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,520 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,524 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:57,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2018-03-29 21:06:57,558 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 12 variables, input treesize:130, output treesize:83 [2018-03-29 21:06:58,262 WARN L151 SmtUtils]: Spent 689ms on a formula simplification. DAG size of input: 55 DAG size of output 33 [2018-03-29 21:06:58,271 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:06:58,305 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:58,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:06:58,309 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:44, output treesize:16 [2018-03-29 21:06:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:06:58,369 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:06:58,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 8] imperfect sequences [] total 14 [2018-03-29 21:06:58,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-03-29 21:06:58,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-03-29 21:06:58,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-03-29 21:06:58,371 INFO L87 Difference]: Start difference. First operand 269 states and 285 transitions. Second operand 15 states. [2018-03-29 21:06:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:06:59,887 INFO L93 Difference]: Finished difference Result 576 states and 613 transitions. [2018-03-29 21:06:59,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-29 21:06:59,888 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2018-03-29 21:06:59,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:06:59,890 INFO L225 Difference]: With dead ends: 576 [2018-03-29 21:06:59,891 INFO L226 Difference]: Without dead ends: 575 [2018-03-29 21:06:59,891 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2018-03-29 21:06:59,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2018-03-29 21:06:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 277. [2018-03-29 21:06:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-03-29 21:06:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 295 transitions. [2018-03-29 21:06:59,904 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 295 transitions. Word has length 27 [2018-03-29 21:06:59,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:06:59,905 INFO L459 AbstractCegarLoop]: Abstraction has 277 states and 295 transitions. [2018-03-29 21:06:59,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-03-29 21:06:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 295 transitions. [2018-03-29 21:06:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-03-29 21:06:59,906 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:06:59,906 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:06:59,906 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:06:59,906 INFO L82 PathProgramCache]: Analyzing trace with hash 721792144, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:06:59,913 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:06:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:06:59,930 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:06:59,942 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:59,943 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:06:59,943 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 [2018-03-29 21:06:59,944 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:59,949 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:59,949 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-03-29 21:06:59,959 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 [2018-03-29 21:06:59,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:06:59,961 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:59,962 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:59,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:06:59,969 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:27 [2018-03-29 21:06:59,992 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 45 treesize of output 39 [2018-03-29 21:06:59,994 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 [2018-03-29 21:06:59,995 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:06:59,999 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,005 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,005 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:50, output treesize:27 [2018-03-29 21:07:00,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 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 32 [2018-03-29 21:07:00,011 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,016 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. [2018-03-29 21:07:00,016 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:32 [2018-03-29 21:07:00,023 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 [2018-03-29 21:07:00,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:07:00,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,027 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,031 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. [2018-03-29 21:07:00,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:15 [2018-03-29 21:07:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:00,040 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:00,185 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-03-29 21:07:00,198 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 11 treesize of output 10 [2018-03-29 21:07:00,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-03-29 21:07:00,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 5 [2018-03-29 21:07:00,213 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,214 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,216 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 21 treesize of output 19 [2018-03-29 21:07:00,217 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 8 treesize of output 1 [2018-03-29 21:07:00,218 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,220 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:00,230 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:07:00,242 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 3 xjuncts. [2018-03-29 21:07:00,242 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:39, output treesize:25 [2018-03-29 21:07:00,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:00,296 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:00,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 12 [2018-03-29 21:07:00,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-03-29 21:07:00,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-03-29 21:07:00,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-03-29 21:07:00,297 INFO L87 Difference]: Start difference. First operand 277 states and 295 transitions. Second operand 13 states. [2018-03-29 21:07:00,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:00,945 INFO L93 Difference]: Finished difference Result 518 states and 554 transitions. [2018-03-29 21:07:00,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 21:07:00,947 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 27 [2018-03-29 21:07:00,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:00,948 INFO L225 Difference]: With dead ends: 518 [2018-03-29 21:07:00,949 INFO L226 Difference]: Without dead ends: 517 [2018-03-29 21:07:00,949 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-03-29 21:07:00,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-03-29 21:07:00,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 277. [2018-03-29 21:07:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-03-29 21:07:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 294 transitions. [2018-03-29 21:07:00,960 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 294 transitions. Word has length 27 [2018-03-29 21:07:00,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:00,960 INFO L459 AbstractCegarLoop]: Abstraction has 277 states and 294 transitions. [2018-03-29 21:07:00,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-03-29 21:07:00,960 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 294 transitions. [2018-03-29 21:07:00,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-29 21:07:00,961 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:00,961 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:00,961 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:00,962 INFO L82 PathProgramCache]: Analyzing trace with hash 900720003, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:00,973 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:00,995 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:01,011 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 6 treesize of output 5 [2018-03-29 21:07:01,012 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:01,021 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:01,022 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:07:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:01,031 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:01,057 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:01,057 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:01,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:01,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:01,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:01,058 INFO L87 Difference]: Start difference. First operand 277 states and 294 transitions. Second operand 4 states. [2018-03-29 21:07:01,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:01,683 INFO L93 Difference]: Finished difference Result 691 states and 739 transitions. [2018-03-29 21:07:01,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:07:01,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-03-29 21:07:01,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:01,687 INFO L225 Difference]: With dead ends: 691 [2018-03-29 21:07:01,687 INFO L226 Difference]: Without dead ends: 689 [2018-03-29 21:07:01,687 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:01,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-03-29 21:07:01,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 275. [2018-03-29 21:07:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-03-29 21:07:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 292 transitions. [2018-03-29 21:07:01,696 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 292 transitions. Word has length 28 [2018-03-29 21:07:01,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:01,696 INFO L459 AbstractCegarLoop]: Abstraction has 275 states and 292 transitions. [2018-03-29 21:07:01,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:01,696 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 292 transitions. [2018-03-29 21:07:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-29 21:07:01,697 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:01,697 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:01,697 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:01,697 INFO L82 PathProgramCache]: Analyzing trace with hash 900720004, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:01,705 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:01,729 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:01,733 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 [2018-03-29 21:07:01,733 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:01,737 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:01,738 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:07:01,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:01,749 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:01,791 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:01,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:07:01,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:07:01,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:07:01,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:07:01,793 INFO L87 Difference]: Start difference. First operand 275 states and 292 transitions. Second operand 6 states. [2018-03-29 21:07:02,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:02,239 INFO L93 Difference]: Finished difference Result 729 states and 781 transitions. [2018-03-29 21:07:02,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:07:02,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-03-29 21:07:02,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:02,241 INFO L225 Difference]: With dead ends: 729 [2018-03-29 21:07:02,241 INFO L226 Difference]: Without dead ends: 728 [2018-03-29 21:07:02,242 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-03-29 21:07:02,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2018-03-29 21:07:02,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 274. [2018-03-29 21:07:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-03-29 21:07:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 291 transitions. [2018-03-29 21:07:02,252 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 291 transitions. Word has length 28 [2018-03-29 21:07:02,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:02,252 INFO L459 AbstractCegarLoop]: Abstraction has 274 states and 291 transitions. [2018-03-29 21:07:02,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:07:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 291 transitions. [2018-03-29 21:07:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-29 21:07:02,253 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:02,253 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:02,253 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:02,253 INFO L82 PathProgramCache]: Analyzing trace with hash -310904415, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:02,259 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:02,279 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:02,288 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:02,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:02,323 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:02,323 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:02,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:02,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:02,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:02,324 INFO L87 Difference]: Start difference. First operand 274 states and 291 transitions. Second operand 4 states. [2018-03-29 21:07:02,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:02,700 INFO L93 Difference]: Finished difference Result 393 states and 426 transitions. [2018-03-29 21:07:02,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:07:02,700 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-03-29 21:07:02,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:02,702 INFO L225 Difference]: With dead ends: 393 [2018-03-29 21:07:02,702 INFO L226 Difference]: Without dead ends: 375 [2018-03-29 21:07:02,702 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:02,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-03-29 21:07:02,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 269. [2018-03-29 21:07:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-03-29 21:07:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 290 transitions. [2018-03-29 21:07:02,709 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 290 transitions. Word has length 30 [2018-03-29 21:07:02,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:02,710 INFO L459 AbstractCegarLoop]: Abstraction has 269 states and 290 transitions. [2018-03-29 21:07:02,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 290 transitions. [2018-03-29 21:07:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-29 21:07:02,711 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:02,711 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:02,711 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:02,711 INFO L82 PathProgramCache]: Analyzing trace with hash -310904414, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:02,727 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:02,744 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:02,765 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:02,787 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:07:02,787 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:02,791 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 8 treesize of output 6 [2018-03-29 21:07:02,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:02,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:02,793 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:3 [2018-03-29 21:07:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:02,818 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:02,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-29 21:07:02,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-29 21:07:02,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-29 21:07:02,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:07:02,819 INFO L87 Difference]: Start difference. First operand 269 states and 290 transitions. Second operand 7 states. [2018-03-29 21:07:03,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:03,946 INFO L93 Difference]: Finished difference Result 580 states and 646 transitions. [2018-03-29 21:07:03,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 21:07:03,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-03-29 21:07:03,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:03,978 INFO L225 Difference]: With dead ends: 580 [2018-03-29 21:07:03,978 INFO L226 Difference]: Without dead ends: 564 [2018-03-29 21:07:03,979 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:07:03,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-03-29 21:07:03,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 446. [2018-03-29 21:07:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2018-03-29 21:07:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 530 transitions. [2018-03-29 21:07:04,001 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 530 transitions. Word has length 30 [2018-03-29 21:07:04,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:04,001 INFO L459 AbstractCegarLoop]: Abstraction has 446 states and 530 transitions. [2018-03-29 21:07:04,002 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-29 21:07:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 530 transitions. [2018-03-29 21:07:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-29 21:07:04,003 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:04,003 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:04,003 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:04,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1131429772, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:04,014 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:04,031 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:04,041 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:04,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:04,068 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:04,068 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:07:04,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:04,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:04,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:04,068 INFO L87 Difference]: Start difference. First operand 446 states and 530 transitions. Second operand 4 states. [2018-03-29 21:07:04,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:04,118 INFO L93 Difference]: Finished difference Result 544 states and 634 transitions. [2018-03-29 21:07:04,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-29 21:07:04,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-03-29 21:07:04,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:04,120 INFO L225 Difference]: With dead ends: 544 [2018-03-29 21:07:04,120 INFO L226 Difference]: Without dead ends: 541 [2018-03-29 21:07:04,121 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:04,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-03-29 21:07:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 515. [2018-03-29 21:07:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-03-29 21:07:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 627 transitions. [2018-03-29 21:07:04,143 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 627 transitions. Word has length 31 [2018-03-29 21:07:04,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:04,143 INFO L459 AbstractCegarLoop]: Abstraction has 515 states and 627 transitions. [2018-03-29 21:07:04,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 627 transitions. [2018-03-29 21:07:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-03-29 21:07:04,145 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:04,145 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:04,145 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:04,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1752548743, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:04,152 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:04,171 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:04,186 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:04,187 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:04,188 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 [2018-03-29 21:07:04,188 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,189 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,189 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-29 21:07:04,225 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 24 [2018-03-29 21:07:04,227 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 8 treesize of output 7 [2018-03-29 21:07:04,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,232 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,237 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2018-03-29 21:07:04,245 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 21 treesize of output 17 [2018-03-29 21:07:04,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:07:04,248 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,251 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:07:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:04,258 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:04,337 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 [2018-03-29 21:07:04,338 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:04,347 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. [2018-03-29 21:07:04,348 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:17 [2018-03-29 21:07:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:04,390 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:04,391 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 10 [2018-03-29 21:07:04,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-29 21:07:04,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-29 21:07:04,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:07:04,391 INFO L87 Difference]: Start difference. First operand 515 states and 627 transitions. Second operand 11 states. [2018-03-29 21:07:04,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:04,974 INFO L93 Difference]: Finished difference Result 1734 states and 2127 transitions. [2018-03-29 21:07:04,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 21:07:04,975 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-03-29 21:07:04,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:04,979 INFO L225 Difference]: With dead ends: 1734 [2018-03-29 21:07:04,980 INFO L226 Difference]: Without dead ends: 1733 [2018-03-29 21:07:04,980 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2018-03-29 21:07:04,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-03-29 21:07:04,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 514. [2018-03-29 21:07:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-03-29 21:07:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 626 transitions. [2018-03-29 21:07:04,999 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 626 transitions. Word has length 32 [2018-03-29 21:07:04,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:04,999 INFO L459 AbstractCegarLoop]: Abstraction has 514 states and 626 transitions. [2018-03-29 21:07:04,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-29 21:07:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 626 transitions. [2018-03-29 21:07:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-03-29 21:07:05,000 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:05,000 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:05,001 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:05,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1752548744, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:05,020 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:05,039 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:05,111 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:05,112 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:05,112 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:07:05,113 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,114 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,114 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-29 21:07:05,149 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 40 treesize of output 41 [2018-03-29 21:07:05,152 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 [2018-03-29 21:07:05,153 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,163 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 32 [2018-03-29 21:07:05,187 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 [2018-03-29 21:07:05,188 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,195 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,203 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:55, output treesize:29 [2018-03-29 21:07:05,214 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 [2018-03-29 21:07:05,216 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 25 treesize of output 13 [2018-03-29 21:07:05,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,218 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,225 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 32 treesize of output 26 [2018-03-29 21:07:05,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2018-03-29 21:07:05,227 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,230 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,233 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,234 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:11 [2018-03-29 21:07:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:05,277 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:05,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2018-03-29 21:07:05,364 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:05,462 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-03-29 21:07:05,463 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,479 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 17 treesize of output 15 [2018-03-29 21:07:05,480 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:07:05,494 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:72, output treesize:54 [2018-03-29 21:07:05,521 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 14 treesize of output 12 [2018-03-29 21:07:05,523 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 7 treesize of output 3 [2018-03-29 21:07:05,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,524 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:05,528 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:4 [2018-03-29 21:07:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:05,582 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:05,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 10 [2018-03-29 21:07:05,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-29 21:07:05,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-29 21:07:05,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:07:05,583 INFO L87 Difference]: Start difference. First operand 514 states and 626 transitions. Second operand 11 states. [2018-03-29 21:07:06,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:06,500 INFO L93 Difference]: Finished difference Result 1733 states and 2126 transitions. [2018-03-29 21:07:06,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 21:07:06,500 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-03-29 21:07:06,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:06,506 INFO L225 Difference]: With dead ends: 1733 [2018-03-29 21:07:06,507 INFO L226 Difference]: Without dead ends: 1732 [2018-03-29 21:07:06,507 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2018-03-29 21:07:06,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2018-03-29 21:07:06,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 513. [2018-03-29 21:07:06,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-03-29 21:07:06,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 625 transitions. [2018-03-29 21:07:06,536 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 625 transitions. Word has length 32 [2018-03-29 21:07:06,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:06,536 INFO L459 AbstractCegarLoop]: Abstraction has 513 states and 625 transitions. [2018-03-29 21:07:06,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-29 21:07:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 625 transitions. [2018-03-29 21:07:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-29 21:07:06,538 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:06,538 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:06,538 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:06,538 INFO L82 PathProgramCache]: Analyzing trace with hash -291272386, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:06,547 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:06,569 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:06,575 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:06,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:06,615 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:06,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:06,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 21:07:06,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 21:07:06,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:06,617 INFO L87 Difference]: Start difference. First operand 513 states and 625 transitions. Second operand 3 states. [2018-03-29 21:07:06,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:06,638 INFO L93 Difference]: Finished difference Result 783 states and 979 transitions. [2018-03-29 21:07:06,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:07:06,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-03-29 21:07:06,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:06,641 INFO L225 Difference]: With dead ends: 783 [2018-03-29 21:07:06,641 INFO L226 Difference]: Without dead ends: 517 [2018-03-29 21:07:06,643 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:06,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-03-29 21:07:06,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2018-03-29 21:07:06,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-03-29 21:07:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 629 transitions. [2018-03-29 21:07:06,664 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 629 transitions. Word has length 41 [2018-03-29 21:07:06,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:06,664 INFO L459 AbstractCegarLoop]: Abstraction has 517 states and 629 transitions. [2018-03-29 21:07:06,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 21:07:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 629 transitions. [2018-03-29 21:07:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-29 21:07:06,666 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:06,666 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:06,666 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:06,666 INFO L82 PathProgramCache]: Analyzing trace with hash 410589823, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:06,678 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:06,712 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:06,723 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:06,724 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:06,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:07:06,724 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,725 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-29 21:07:06,732 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 [2018-03-29 21:07:06,733 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 [2018-03-29 21:07:06,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,735 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,748 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-03-29 21:07:06,767 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 34 treesize of output 28 [2018-03-29 21:07:06,769 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 [2018-03-29 21:07:06,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:39, output treesize:16 [2018-03-29 21:07:06,782 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:06,783 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:06,784 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 [2018-03-29 21:07:06,784 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,788 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-03-29 21:07:06,851 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 41 treesize of output 42 [2018-03-29 21:07:06,854 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 [2018-03-29 21:07:06,854 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,860 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,873 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 31 treesize of output 32 [2018-03-29 21:07:06,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:07:06,876 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,882 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:06,892 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:59, output treesize:37 [2018-03-29 21:07:07,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 53 [2018-03-29 21:07:07,011 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 14 treesize of output 13 [2018-03-29 21:07:07,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 71 [2018-03-29 21:07:07,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-29 21:07:07,042 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,049 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,061 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. [2018-03-29 21:07:07,061 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:106, output treesize:80 [2018-03-29 21:07:07,091 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:07,093 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 26 treesize of output 35 [2018-03-29 21:07:07,093 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,110 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:07,111 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:07,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-03-29 21:07:07,112 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,129 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. [2018-03-29 21:07:07,129 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:91, output treesize:84 [2018-03-29 21:07:07,159 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 76 treesize of output 58 [2018-03-29 21:07:07,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 29 [2018-03-29 21:07:07,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-03-29 21:07:07,180 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,185 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,197 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 39 treesize of output 35 [2018-03-29 21:07:07,199 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 5 treesize of output 3 [2018-03-29 21:07:07,199 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2018-03-29 21:07:07,205 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,208 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:07,224 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:102, output treesize:20 [2018-03-29 21:07:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:07,248 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:07,339 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:07,340 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:07,341 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 55 treesize of output 46 [2018-03-29 21:07:07,341 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,365 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:07,366 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:07,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2018-03-29 21:07:07,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:07,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:07,387 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:90, output treesize:69 [2018-03-29 21:07:09,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 68 [2018-03-29 21:07:09,945 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:09,964 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 131 treesize of output 135 [2018-03-29 21:07:09,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:10,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 20 dim-0 vars, and 5 xjuncts. [2018-03-29 21:07:10,003 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:175, output treesize:627 [2018-03-29 21:07:16,401 WARN L151 SmtUtils]: Spent 5129ms on a formula simplification. DAG size of input: 143 DAG size of output 90 [2018-03-29 21:07:16,579 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 107 DAG size of output 98 [2018-03-29 21:07:16,582 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 86 treesize of output 84 [2018-03-29 21:07:16,584 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 7 treesize of output 3 [2018-03-29 21:07:16,584 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,596 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 86 treesize of output 84 [2018-03-29 21:07:16,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:07:16,598 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,607 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,701 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:16,705 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 149 treesize of output 145 [2018-03-29 21:07:16,731 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 9 treesize of output 8 [2018-03-29 21:07:16,732 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,747 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:16,749 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 18 treesize of output 17 [2018-03-29 21:07:16,751 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 6 treesize of output 1 [2018-03-29 21:07:16,751 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,757 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 7 treesize of output 3 [2018-03-29 21:07:16,757 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,759 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,764 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,831 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:16,832 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 89 treesize of output 85 [2018-03-29 21:07:16,892 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:16,893 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:16,893 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 42 treesize of output 46 [2018-03-29 21:07:16,894 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,896 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:16,897 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:16,898 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 30 treesize of output 34 [2018-03-29 21:07:16,898 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,901 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:16,901 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:16,902 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 34 treesize of output 34 [2018-03-29 21:07:16,903 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 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 13 [2018-03-29 21:07:16,919 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 6 treesize of output 1 [2018-03-29 21:07:16,920 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,921 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,927 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:16,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 95 [2018-03-29 21:07:17,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 59 [2018-03-29 21:07:17,040 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:17,080 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:17,082 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 57 treesize of output 65 [2018-03-29 21:07:17,082 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:17,127 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 59 treesize of output 59 [2018-03-29 21:07:17,134 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 47 treesize of output 39 [2018-03-29 21:07:17,135 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:17,157 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:17,158 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 50 treesize of output 41 [2018-03-29 21:07:17,159 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:17,172 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:17,195 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:17,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 3 dim-2 vars, End of recursive call: 11 dim-0 vars, and 5 xjuncts. [2018-03-29 21:07:17,242 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 15 variables, input treesize:345, output treesize:273 [2018-03-29 21:07:21,746 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:21,747 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:21,747 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 13 treesize of output 3 [2018-03-29 21:07:21,747 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,762 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 151 [2018-03-29 21:07:21,797 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 11 treesize of output 10 [2018-03-29 21:07:21,797 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,817 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:21,821 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 147 treesize of output 92 [2018-03-29 21:07:21,889 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 70 treesize of output 78 [2018-03-29 21:07:21,890 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,893 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 104 treesize of output 114 [2018-03-29 21:07:21,894 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,895 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:07:21,895 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 66 [2018-03-29 21:07:21,941 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 9 treesize of output 8 [2018-03-29 21:07:21,941 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 38 [2018-03-29 21:07:21,954 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 6 treesize of output 1 [2018-03-29 21:07:21,954 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 10 [2018-03-29 21:07:21,963 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,967 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,970 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,974 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:21,976 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:21,980 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 267 treesize of output 148 [2018-03-29 21:07:22,047 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:07:22,047 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:22,066 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 70 treesize of output 74 [2018-03-29 21:07:22,067 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:22,079 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 2 case distinctions, treesize of input 104 treesize of output 104 [2018-03-29 21:07:22,080 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:22,112 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 109 treesize of output 89 [2018-03-29 21:07:22,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-03-29 21:07:22,144 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:22,155 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 43 treesize of output 38 [2018-03-29 21:07:22,158 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 6 treesize of output 1 [2018-03-29 21:07:22,158 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:22,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2018-03-29 21:07:22,171 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:22,180 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:22,192 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:22,205 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:22,216 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:22,231 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. [2018-03-29 21:07:22,231 INFO L202 ElimStorePlain]: Needed 22 recursive calls to eliminate 9 variables, input treesize:338, output treesize:4 [2018-03-29 21:07:22,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:22,292 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:07:22,292 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 27 [2018-03-29 21:07:22,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-03-29 21:07:22,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-03-29 21:07:22,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=659, Unknown=3, NotChecked=0, Total=756 [2018-03-29 21:07:22,293 INFO L87 Difference]: Start difference. First operand 517 states and 629 transitions. Second operand 28 states. [2018-03-29 21:07:25,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:25,375 INFO L93 Difference]: Finished difference Result 1057 states and 1247 transitions. [2018-03-29 21:07:25,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-03-29 21:07:25,375 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 41 [2018-03-29 21:07:25,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:25,378 INFO L225 Difference]: With dead ends: 1057 [2018-03-29 21:07:25,379 INFO L226 Difference]: Without dead ends: 1055 [2018-03-29 21:07:25,379 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=474, Invalid=1593, Unknown=3, NotChecked=0, Total=2070 [2018-03-29 21:07:25,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2018-03-29 21:07:25,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 507. [2018-03-29 21:07:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-03-29 21:07:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 618 transitions. [2018-03-29 21:07:25,395 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 618 transitions. Word has length 41 [2018-03-29 21:07:25,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:25,396 INFO L459 AbstractCegarLoop]: Abstraction has 507 states and 618 transitions. [2018-03-29 21:07:25,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-03-29 21:07:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 618 transitions. [2018-03-29 21:07:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-03-29 21:07:25,396 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:25,396 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:25,396 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:25,397 INFO L82 PathProgramCache]: Analyzing trace with hash 422706307, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:25,413 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:25,436 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:25,449 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:25,489 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:25,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:25,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 21:07:25,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 21:07:25,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:25,489 INFO L87 Difference]: Start difference. First operand 507 states and 618 transitions. Second operand 3 states. [2018-03-29 21:07:25,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:25,514 INFO L93 Difference]: Finished difference Result 860 states and 1054 transitions. [2018-03-29 21:07:25,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:07:25,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-03-29 21:07:25,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:25,516 INFO L225 Difference]: With dead ends: 860 [2018-03-29 21:07:25,517 INFO L226 Difference]: Without dead ends: 590 [2018-03-29 21:07:25,517 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:25,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2018-03-29 21:07:25,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 517. [2018-03-29 21:07:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2018-03-29 21:07:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 630 transitions. [2018-03-29 21:07:25,536 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 630 transitions. Word has length 43 [2018-03-29 21:07:25,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:25,537 INFO L459 AbstractCegarLoop]: Abstraction has 517 states and 630 transitions. [2018-03-29 21:07:25,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 21:07:25,537 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 630 transitions. [2018-03-29 21:07:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-03-29 21:07:25,538 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:25,538 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:25,538 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:25,538 INFO L82 PathProgramCache]: Analyzing trace with hash -2106783941, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:25,547 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:25,567 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:25,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:25,571 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:25,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:25,597 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:25,598 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:25,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 21:07:25,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 21:07:25,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:25,598 INFO L87 Difference]: Start difference. First operand 517 states and 630 transitions. Second operand 3 states. [2018-03-29 21:07:25,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:25,615 INFO L93 Difference]: Finished difference Result 1003 states and 1231 transitions. [2018-03-29 21:07:25,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:07:25,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-03-29 21:07:25,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:25,617 INFO L225 Difference]: With dead ends: 1003 [2018-03-29 21:07:25,617 INFO L226 Difference]: Without dead ends: 520 [2018-03-29 21:07:25,617 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:25,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2018-03-29 21:07:25,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2018-03-29 21:07:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-03-29 21:07:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 633 transitions. [2018-03-29 21:07:25,639 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 633 transitions. Word has length 44 [2018-03-29 21:07:25,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:25,639 INFO L459 AbstractCegarLoop]: Abstraction has 520 states and 633 transitions. [2018-03-29 21:07:25,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 21:07:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 633 transitions. [2018-03-29 21:07:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-03-29 21:07:25,640 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:25,640 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:25,640 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:25,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1818793448, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:25,649 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:25,677 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:25,684 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 [2018-03-29 21:07:25,686 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 [2018-03-29 21:07:25,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,689 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,700 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 [2018-03-29 21:07:25,702 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 [2018-03-29 21:07:25,702 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,705 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,711 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:28, output treesize:20 [2018-03-29 21:07:25,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:07:25,723 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:25,725 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,730 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:07:25,753 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:25,754 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,780 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,826 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-03-29 21:07:25,859 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,859 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,860 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 [2018-03-29 21:07:25,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,870 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:40 [2018-03-29 21:07:25,893 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 30 treesize of output 23 [2018-03-29 21:07:25,903 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,904 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,906 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,910 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 23 treesize of output 46 [2018-03-29 21:07:25,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,919 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,935 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 30 treesize of output 23 [2018-03-29 21:07:25,938 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,939 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,940 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:25,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-03-29 21:07:25,940 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,948 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:25,958 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:63, output treesize:52 [2018-03-29 21:07:26,006 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 73 treesize of output 67 [2018-03-29 21:07:26,009 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 [2018-03-29 21:07:26,009 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,043 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,065 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 49 treesize of output 50 [2018-03-29 21:07:26,067 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 [2018-03-29 21:07:26,068 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,075 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,089 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:98, output treesize:52 [2018-03-29 21:07:26,109 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 26 [2018-03-29 21:07:26,111 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:26,112 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:26,113 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:26,115 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 26 treesize of output 28 [2018-03-29 21:07:26,115 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,120 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-03-29 21:07:26,130 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:26,131 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:26,131 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:26,132 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 25 treesize of output 24 [2018-03-29 21:07:26,132 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,136 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,139 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,139 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:66, output treesize:7 [2018-03-29 21:07:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:26,166 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:26,489 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:26,489 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 12 variables, input treesize:109, output treesize:1 [2018-03-29 21:07:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:26,516 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:26,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2018-03-29 21:07:26,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-29 21:07:26,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-29 21:07:26,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-03-29 21:07:26,517 INFO L87 Difference]: Start difference. First operand 520 states and 633 transitions. Second operand 16 states. [2018-03-29 21:07:27,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:27,424 INFO L93 Difference]: Finished difference Result 1390 states and 1643 transitions. [2018-03-29 21:07:27,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-03-29 21:07:27,424 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 46 [2018-03-29 21:07:27,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:27,426 INFO L225 Difference]: With dead ends: 1390 [2018-03-29 21:07:27,427 INFO L226 Difference]: Without dead ends: 904 [2018-03-29 21:07:27,428 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2018-03-29 21:07:27,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-03-29 21:07:27,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 556. [2018-03-29 21:07:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-03-29 21:07:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 675 transitions. [2018-03-29 21:07:27,449 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 675 transitions. Word has length 46 [2018-03-29 21:07:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:27,449 INFO L459 AbstractCegarLoop]: Abstraction has 556 states and 675 transitions. [2018-03-29 21:07:27,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-29 21:07:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 675 transitions. [2018-03-29 21:07:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-29 21:07:27,450 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:27,450 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:27,450 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:27,450 INFO L82 PathProgramCache]: Analyzing trace with hash 554894024, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:27,456 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:27,473 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:27,485 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:27,485 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:27,486 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 [2018-03-29 21:07:27,486 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,491 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2018-03-29 21:07:27,501 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 [2018-03-29 21:07:27,503 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 [2018-03-29 21:07:27,503 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:30 [2018-03-29 21:07:27,535 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 45 treesize of output 39 [2018-03-29 21:07:27,537 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 [2018-03-29 21:07:27,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,541 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,547 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,547 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:53, output treesize:30 [2018-03-29 21:07:27,592 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 [2018-03-29 21:07:27,599 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:27,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-03-29 21:07:27,600 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,604 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,612 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. [2018-03-29 21:07:27,612 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:45, output treesize:15 [2018-03-29 21:07:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:27,629 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:27,750 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-03-29 21:07:27,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:07:27,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,785 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 21 treesize of output 19 [2018-03-29 21:07:27,787 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 8 treesize of output 1 [2018-03-29 21:07:27,787 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,790 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-03-29 21:07:27,797 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 18 treesize of output 18 [2018-03-29 21:07:27,797 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:27,802 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:27,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 7 xjuncts. [2018-03-29 21:07:27,852 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2018-03-29 21:07:27,853 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:46, output treesize:79 [2018-03-29 21:07:27,945 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:27,946 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:27,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2018-03-29 21:07:27,947 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:27,953 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:49, output treesize:3 [2018-03-29 21:07:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:28,016 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:28,017 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 11] imperfect sequences [] total 18 [2018-03-29 21:07:28,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-03-29 21:07:28,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-03-29 21:07:28,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2018-03-29 21:07:28,017 INFO L87 Difference]: Start difference. First operand 556 states and 675 transitions. Second operand 19 states. [2018-03-29 21:07:29,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:29,010 INFO L93 Difference]: Finished difference Result 864 states and 1033 transitions. [2018-03-29 21:07:29,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-03-29 21:07:29,010 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 47 [2018-03-29 21:07:29,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:29,013 INFO L225 Difference]: With dead ends: 864 [2018-03-29 21:07:29,013 INFO L226 Difference]: Without dead ends: 863 [2018-03-29 21:07:29,013 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2018-03-29 21:07:29,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-03-29 21:07:29,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 577. [2018-03-29 21:07:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2018-03-29 21:07:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 699 transitions. [2018-03-29 21:07:29,029 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 699 transitions. Word has length 47 [2018-03-29 21:07:29,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:29,029 INFO L459 AbstractCegarLoop]: Abstraction has 577 states and 699 transitions. [2018-03-29 21:07:29,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-03-29 21:07:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 699 transitions. [2018-03-29 21:07:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-29 21:07:29,030 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:29,030 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:29,030 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:29,030 INFO L82 PathProgramCache]: Analyzing trace with hash 554894025, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:29,036 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:29,054 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:29,067 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 [2018-03-29 21:07:29,068 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,074 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:29,075 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:29,075 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 [2018-03-29 21:07:29,076 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,081 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-03-29 21:07:29,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:07:29,099 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 [2018-03-29 21:07:29,100 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,107 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,117 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 [2018-03-29 21:07:29,119 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 [2018-03-29 21:07:29,119 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,120 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,126 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,126 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:39, output treesize:34 [2018-03-29 21:07:29,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 34 [2018-03-29 21:07:29,155 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-29 21:07:29,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,172 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 58 treesize of output 52 [2018-03-29 21:07:29,174 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 [2018-03-29 21:07:29,175 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,180 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,188 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:80, output treesize:34 [2018-03-29 21:07:29,224 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 [2018-03-29 21:07:29,235 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:29,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-03-29 21:07:29,236 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,241 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,251 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 19 treesize of output 15 [2018-03-29 21:07:29,252 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:29,253 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 [2018-03-29 21:07:29,253 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,255 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:29,263 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:58, output treesize:9 [2018-03-29 21:07:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:29,279 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:31,552 WARN L148 SmtUtils]: Spent 2019ms on a formula simplification that was a NOOP. DAG size: 45 [2018-03-29 21:07:33,773 WARN L148 SmtUtils]: Spent 2042ms on a formula simplification that was a NOOP. DAG size: 47 [2018-03-29 21:07:33,778 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 73 [2018-03-29 21:07:33,813 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 11 treesize of output 10 [2018-03-29 21:07:33,813 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,834 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 58 treesize of output 54 [2018-03-29 21:07:33,842 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 54 treesize of output 54 [2018-03-29 21:07:33,843 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:33,847 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:33,849 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 21 treesize of output 19 [2018-03-29 21:07:33,851 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 8 treesize of output 1 [2018-03-29 21:07:33,851 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,868 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,889 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:07:33,956 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 44 [2018-03-29 21:07:33,979 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 11 treesize of output 10 [2018-03-29 21:07:33,979 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:33,988 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 20 [2018-03-29 21:07:33,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2018-03-29 21:07:33,996 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:34,002 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:34,011 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:34,013 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 42 [2018-03-29 21:07:34,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:07:34,034 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,041 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 24 treesize of output 20 [2018-03-29 21:07:34,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2018-03-29 21:07:34,049 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:34,055 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:34,064 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:34,067 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 49 [2018-03-29 21:07:34,089 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 11 treesize of output 10 [2018-03-29 21:07:34,089 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,098 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 10 treesize of output 8 [2018-03-29 21:07:34,100 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 8 treesize of output 1 [2018-03-29 21:07:34,100 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,101 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,106 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,148 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 35 [2018-03-29 21:07:34,165 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 11 treesize of output 10 [2018-03-29 21:07:34,165 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,180 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 21 treesize of output 19 [2018-03-29 21:07:34,182 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 8 treesize of output 1 [2018-03-29 21:07:34,182 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,185 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-29 21:07:34,191 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 16 treesize of output 16 [2018-03-29 21:07:34,192 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:34,195 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:34,207 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:07:34,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 3 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:07:34,273 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 10 variables, input treesize:127, output treesize:68 [2018-03-29 21:07:34,332 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:07:34,332 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,346 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:34,346 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:34,347 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 13 treesize of output 3 [2018-03-29 21:07:34,347 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,350 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:34,351 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:3 [2018-03-29 21:07:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:34,412 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:34,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 11] imperfect sequences [] total 18 [2018-03-29 21:07:34,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-03-29 21:07:34,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-03-29 21:07:34,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-03-29 21:07:34,413 INFO L87 Difference]: Start difference. First operand 577 states and 699 transitions. Second operand 19 states. [2018-03-29 21:07:35,241 WARN L151 SmtUtils]: Spent 492ms on a formula simplification. DAG size of input: 78 DAG size of output 77 [2018-03-29 21:07:36,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:36,217 INFO L93 Difference]: Finished difference Result 1204 states and 1405 transitions. [2018-03-29 21:07:36,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-03-29 21:07:36,217 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 47 [2018-03-29 21:07:36,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:36,220 INFO L225 Difference]: With dead ends: 1204 [2018-03-29 21:07:36,221 INFO L226 Difference]: Without dead ends: 1202 [2018-03-29 21:07:36,221 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2018-03-29 21:07:36,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2018-03-29 21:07:36,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 587. [2018-03-29 21:07:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-03-29 21:07:36,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 711 transitions. [2018-03-29 21:07:36,250 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 711 transitions. Word has length 47 [2018-03-29 21:07:36,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:36,250 INFO L459 AbstractCegarLoop]: Abstraction has 587 states and 711 transitions. [2018-03-29 21:07:36,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-03-29 21:07:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 711 transitions. [2018-03-29 21:07:36,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-29 21:07:36,251 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:36,251 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:36,251 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:36,251 INFO L82 PathProgramCache]: Analyzing trace with hash -889237438, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:36,257 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:36,272 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:36,276 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:36,301 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:36,301 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:36,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 21:07:36,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 21:07:36,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:36,302 INFO L87 Difference]: Start difference. First operand 587 states and 711 transitions. Second operand 3 states. [2018-03-29 21:07:36,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:36,325 INFO L93 Difference]: Finished difference Result 1077 states and 1317 transitions. [2018-03-29 21:07:36,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:07:36,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-03-29 21:07:36,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:36,327 INFO L225 Difference]: With dead ends: 1077 [2018-03-29 21:07:36,327 INFO L226 Difference]: Without dead ends: 591 [2018-03-29 21:07:36,328 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:36,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2018-03-29 21:07:36,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2018-03-29 21:07:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2018-03-29 21:07:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 715 transitions. [2018-03-29 21:07:36,345 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 715 transitions. Word has length 47 [2018-03-29 21:07:36,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:36,345 INFO L459 AbstractCegarLoop]: Abstraction has 591 states and 715 transitions. [2018-03-29 21:07:36,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 21:07:36,345 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 715 transitions. [2018-03-29 21:07:36,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-03-29 21:07:36,346 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:36,346 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:36,346 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:36,346 INFO L82 PathProgramCache]: Analyzing trace with hash -750522098, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:36,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:36,371 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:36,413 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 [2018-03-29 21:07:36,415 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 [2018-03-29 21:07:36,416 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,426 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 [2018-03-29 21:07:36,427 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 [2018-03-29 21:07:36,427 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,429 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,441 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-03-29 21:07:36,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:07:36,455 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:36,455 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:07:36,473 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:07:36,474 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,478 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,486 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:52, output treesize:44 [2018-03-29 21:07:36,501 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,502 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:07:36,502 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,510 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:49, output treesize:43 [2018-03-29 21:07:36,526 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 30 treesize of output 23 [2018-03-29 21:07:36,528 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,529 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,530 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,532 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 23 treesize of output 46 [2018-03-29 21:07:36,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,555 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 30 treesize of output 23 [2018-03-29 21:07:36,558 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,559 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,559 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-03-29 21:07:36,562 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,569 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,582 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:69, output treesize:49 [2018-03-29 21:07:36,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2018-03-29 21:07:36,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-29 21:07:36,640 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,667 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 40 treesize of output 41 [2018-03-29 21:07:36,669 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 [2018-03-29 21:07:36,669 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,674 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,686 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,686 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:95, output treesize:49 [2018-03-29 21:07:36,705 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 26 [2018-03-29 21:07:36,707 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,707 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,708 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,710 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 26 treesize of output 28 [2018-03-29 21:07:36,710 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,714 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-03-29 21:07:36,724 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:36,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-29 21:07:36,724 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,726 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,730 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,731 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:63, output treesize:7 [2018-03-29 21:07:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:36,752 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:36,981 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:36,981 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 11 variables, input treesize:117, output treesize:1 [2018-03-29 21:07:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:37,008 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:37,008 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 18 [2018-03-29 21:07:37,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-03-29 21:07:37,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-03-29 21:07:37,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-03-29 21:07:37,009 INFO L87 Difference]: Start difference. First operand 591 states and 715 transitions. Second operand 18 states. [2018-03-29 21:07:38,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:38,483 INFO L93 Difference]: Finished difference Result 1106 states and 1292 transitions. [2018-03-29 21:07:38,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-03-29 21:07:38,483 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 48 [2018-03-29 21:07:38,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:38,486 INFO L225 Difference]: With dead ends: 1106 [2018-03-29 21:07:38,486 INFO L226 Difference]: Without dead ends: 903 [2018-03-29 21:07:38,487 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=391, Invalid=1169, Unknown=0, NotChecked=0, Total=1560 [2018-03-29 21:07:38,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-03-29 21:07:38,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 658. [2018-03-29 21:07:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2018-03-29 21:07:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 807 transitions. [2018-03-29 21:07:38,503 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 807 transitions. Word has length 48 [2018-03-29 21:07:38,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:38,503 INFO L459 AbstractCegarLoop]: Abstraction has 658 states and 807 transitions. [2018-03-29 21:07:38,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-03-29 21:07:38,503 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 807 transitions. [2018-03-29 21:07:38,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-03-29 21:07:38,504 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:38,504 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:38,504 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:38,504 INFO L82 PathProgramCache]: Analyzing trace with hash -454294459, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:38,510 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:38,527 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:38,549 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:38,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-03-29 21:07:38,550 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:38,558 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:38,558 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:38,559 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 [2018-03-29 21:07:38,559 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:38,563 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. [2018-03-29 21:07:38,563 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-03-29 21:07:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:38,577 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:38,685 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:38,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-29 21:07:38,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-29 21:07:38,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-29 21:07:38,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-03-29 21:07:38,686 INFO L87 Difference]: Start difference. First operand 658 states and 807 transitions. Second operand 10 states. [2018-03-29 21:07:39,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:39,229 INFO L93 Difference]: Finished difference Result 1068 states and 1294 transitions. [2018-03-29 21:07:39,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-29 21:07:39,229 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 49 [2018-03-29 21:07:39,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:39,233 INFO L225 Difference]: With dead ends: 1068 [2018-03-29 21:07:39,233 INFO L226 Difference]: Without dead ends: 1060 [2018-03-29 21:07:39,233 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2018-03-29 21:07:39,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2018-03-29 21:07:39,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 715. [2018-03-29 21:07:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2018-03-29 21:07:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 876 transitions. [2018-03-29 21:07:39,251 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 876 transitions. Word has length 49 [2018-03-29 21:07:39,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:39,252 INFO L459 AbstractCegarLoop]: Abstraction has 715 states and 876 transitions. [2018-03-29 21:07:39,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-29 21:07:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 876 transitions. [2018-03-29 21:07:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-03-29 21:07:39,252 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:39,252 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:39,252 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:39,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1942959657, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:39,258 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:39,275 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:39,299 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 [2018-03-29 21:07:39,300 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 [2018-03-29 21:07:39,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,301 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,305 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 [2018-03-29 21:07:39,306 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 [2018-03-29 21:07:39,307 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,307 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,310 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-29 21:07:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:39,317 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:39,364 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:39,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2018-03-29 21:07:39,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 21:07:39,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 21:07:39,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:07:39,365 INFO L87 Difference]: Start difference. First operand 715 states and 876 transitions. Second operand 8 states. [2018-03-29 21:07:39,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:39,647 INFO L93 Difference]: Finished difference Result 1214 states and 1519 transitions. [2018-03-29 21:07:39,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-29 21:07:39,647 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2018-03-29 21:07:39,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:39,650 INFO L225 Difference]: With dead ends: 1214 [2018-03-29 21:07:39,650 INFO L226 Difference]: Without dead ends: 867 [2018-03-29 21:07:39,650 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-03-29 21:07:39,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2018-03-29 21:07:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 751. [2018-03-29 21:07:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-03-29 21:07:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 911 transitions. [2018-03-29 21:07:39,667 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 911 transitions. Word has length 50 [2018-03-29 21:07:39,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:39,667 INFO L459 AbstractCegarLoop]: Abstraction has 751 states and 911 transitions. [2018-03-29 21:07:39,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 21:07:39,667 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 911 transitions. [2018-03-29 21:07:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-03-29 21:07:39,668 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:39,668 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:39,668 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:39,668 INFO L82 PathProgramCache]: Analyzing trace with hash 689721905, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:39,677 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:39,695 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:39,706 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 [2018-03-29 21:07:39,707 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 [2018-03-29 21:07:39,707 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,709 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:07:39,717 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 [2018-03-29 21:07:39,717 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,719 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,724 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2018-03-29 21:07:39,735 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:39,736 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:39,736 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 [2018-03-29 21:07:39,736 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,741 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-03-29 21:07:39,753 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 23 treesize of output 18 [2018-03-29 21:07:39,755 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:39,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:07:39,757 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,762 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,773 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 23 treesize of output 18 [2018-03-29 21:07:39,775 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:39,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-03-29 21:07:39,777 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,780 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,787 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,787 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:52, output treesize:32 [2018-03-29 21:07:39,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2018-03-29 21:07:39,815 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 [2018-03-29 21:07:39,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,821 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,832 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 33 treesize of output 34 [2018-03-29 21:07:39,834 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 14 treesize of output 13 [2018-03-29 21:07:39,834 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,844 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:78, output treesize:32 [2018-03-29 21:07:39,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-03-29 21:07:39,880 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:39,881 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:39,898 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:39,901 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 0 case distinctions, treesize of input 23 treesize of output 31 [2018-03-29 21:07:39,901 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,906 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,915 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 [2018-03-29 21:07:39,916 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:39,917 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 [2018-03-29 21:07:39,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,920 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:39,925 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:56, output treesize:7 [2018-03-29 21:07:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:39,949 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:40,527 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2018-03-29 21:07:40,543 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-03-29 21:07:40,545 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2018-03-29 21:07:40,546 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,551 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,553 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 23 [2018-03-29 21:07:40,554 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-03-29 21:07:40,556 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,561 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,580 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 34 [2018-03-29 21:07:40,596 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,597 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,598 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 24 treesize of output 25 [2018-03-29 21:07:40,599 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,604 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:40,606 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 33 treesize of output 27 [2018-03-29 21:07:40,607 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,607 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,609 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 24 treesize of output 25 [2018-03-29 21:07:40,609 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,613 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,615 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 37 treesize of output 31 [2018-03-29 21:07:40,626 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,627 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,629 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 24 treesize of output 25 [2018-03-29 21:07:40,629 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,631 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 14 [2018-03-29 21:07:40,632 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,645 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:07:40,664 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:07:40,699 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2018-03-29 21:07:40,715 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-03-29 21:07:40,717 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,718 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 35 treesize of output 40 [2018-03-29 21:07:40,718 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,723 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 23 [2018-03-29 21:07:40,726 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,728 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 20 treesize of output 28 [2018-03-29 21:07:40,728 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,734 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,754 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 37 treesize of output 31 [2018-03-29 21:07:40,766 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,766 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,768 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 24 treesize of output 25 [2018-03-29 21:07:40,769 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,770 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,771 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 14 [2018-03-29 21:07:40,771 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,783 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:07:40,784 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 33 treesize of output 27 [2018-03-29 21:07:40,786 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,786 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,788 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2018-03-29 21:07:40,788 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,792 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,794 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 34 [2018-03-29 21:07:40,810 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,810 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,812 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 24 treesize of output 25 [2018-03-29 21:07:40,812 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,818 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:40,835 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:07:40,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 5 xjuncts. [2018-03-29 21:07:40,883 INFO L202 ElimStorePlain]: Needed 25 recursive calls to eliminate 11 variables, input treesize:121, output treesize:69 [2018-03-29 21:07:40,923 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:40,924 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 19 treesize of output 7 [2018-03-29 21:07:40,924 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:40,930 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:3 [2018-03-29 21:07:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:40,963 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:40,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13, 14] imperfect sequences [] total 21 [2018-03-29 21:07:40,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-03-29 21:07:40,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-03-29 21:07:40,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2018-03-29 21:07:40,964 INFO L87 Difference]: Start difference. First operand 751 states and 911 transitions. Second operand 21 states. [2018-03-29 21:07:41,590 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 111 DAG size of output 65 [2018-03-29 21:07:42,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:42,821 INFO L93 Difference]: Finished difference Result 1216 states and 1458 transitions. [2018-03-29 21:07:42,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-03-29 21:07:42,821 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 50 [2018-03-29 21:07:42,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:42,824 INFO L225 Difference]: With dead ends: 1216 [2018-03-29 21:07:42,824 INFO L226 Difference]: Without dead ends: 922 [2018-03-29 21:07:42,825 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 78 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=333, Invalid=999, Unknown=0, NotChecked=0, Total=1332 [2018-03-29 21:07:42,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2018-03-29 21:07:42,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 678. [2018-03-29 21:07:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-03-29 21:07:42,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 812 transitions. [2018-03-29 21:07:42,840 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 812 transitions. Word has length 50 [2018-03-29 21:07:42,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:42,840 INFO L459 AbstractCegarLoop]: Abstraction has 678 states and 812 transitions. [2018-03-29 21:07:42,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-03-29 21:07:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 812 transitions. [2018-03-29 21:07:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-03-29 21:07:42,841 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:42,841 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:42,841 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:42,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1198226215, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:42,847 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:42,864 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:42,866 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 [2018-03-29 21:07:42,866 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:42,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:42,867 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:07:42,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:42,872 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:42,895 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:42,895 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:42,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:42,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:42,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:42,895 INFO L87 Difference]: Start difference. First operand 678 states and 812 transitions. Second operand 4 states. [2018-03-29 21:07:43,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:43,126 INFO L93 Difference]: Finished difference Result 1846 states and 2222 transitions. [2018-03-29 21:07:43,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:07:43,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-03-29 21:07:43,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:43,131 INFO L225 Difference]: With dead ends: 1846 [2018-03-29 21:07:43,131 INFO L226 Difference]: Without dead ends: 1841 [2018-03-29 21:07:43,131 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:43,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2018-03-29 21:07:43,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 675. [2018-03-29 21:07:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2018-03-29 21:07:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 810 transitions. [2018-03-29 21:07:43,150 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 810 transitions. Word has length 50 [2018-03-29 21:07:43,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:43,151 INFO L459 AbstractCegarLoop]: Abstraction has 675 states and 810 transitions. [2018-03-29 21:07:43,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 810 transitions. [2018-03-29 21:07:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-03-29 21:07:43,151 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:43,151 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:43,151 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:43,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1198226214, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:43,164 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:43,183 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:43,186 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 [2018-03-29 21:07:43,186 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,189 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,189 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:07:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:43,196 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:43,236 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:43,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:07:43,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:07:43,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:07:43,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:07:43,237 INFO L87 Difference]: Start difference. First operand 675 states and 810 transitions. Second operand 6 states. [2018-03-29 21:07:43,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:43,528 INFO L93 Difference]: Finished difference Result 1315 states and 1576 transitions. [2018-03-29 21:07:43,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:07:43,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-03-29 21:07:43,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:43,532 INFO L225 Difference]: With dead ends: 1315 [2018-03-29 21:07:43,532 INFO L226 Difference]: Without dead ends: 1313 [2018-03-29 21:07:43,532 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:07:43,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2018-03-29 21:07:43,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 676. [2018-03-29 21:07:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-03-29 21:07:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 810 transitions. [2018-03-29 21:07:43,550 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 810 transitions. Word has length 50 [2018-03-29 21:07:43,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:43,550 INFO L459 AbstractCegarLoop]: Abstraction has 676 states and 810 transitions. [2018-03-29 21:07:43,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:07:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 810 transitions. [2018-03-29 21:07:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-03-29 21:07:43,551 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:43,551 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:43,551 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:43,551 INFO L82 PathProgramCache]: Analyzing trace with hash 520103340, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:43,556 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:43,574 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:43,584 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:43,584 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:43,585 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 [2018-03-29 21:07:43,585 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,588 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,588 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-03-29 21:07:43,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:07:43,597 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 [2018-03-29 21:07:43,597 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,605 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 [2018-03-29 21:07:43,606 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 [2018-03-29 21:07:43,606 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,607 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,612 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:34, output treesize:23 [2018-03-29 21:07:43,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-29 21:07:43,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-03-29 21:07:43,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,626 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,634 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2018-03-29 21:07:43,647 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 21 treesize of output 22 [2018-03-29 21:07:43,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:07:43,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:13 [2018-03-29 21:07:43,715 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 [2018-03-29 21:07:43,718 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:43,719 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 [2018-03-29 21:07:43,719 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,722 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,728 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-03-29 21:07:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:43,741 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:43,910 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-03-29 21:07:43,924 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 11 treesize of output 10 [2018-03-29 21:07:43,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,938 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 21 treesize of output 19 [2018-03-29 21:07:43,939 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 8 treesize of output 1 [2018-03-29 21:07:43,939 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,941 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:43,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-29 21:07:43,948 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 16 [2018-03-29 21:07:43,948 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:43,951 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:43,960 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-03-29 21:07:43,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:07:43,982 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:44, output treesize:43 [2018-03-29 21:07:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:44,054 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:44,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2018-03-29 21:07:44,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-03-29 21:07:44,055 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-03-29 21:07:44,055 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-03-29 21:07:44,055 INFO L87 Difference]: Start difference. First operand 676 states and 810 transitions. Second operand 19 states. [2018-03-29 21:07:44,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:44,731 INFO L93 Difference]: Finished difference Result 950 states and 1095 transitions. [2018-03-29 21:07:44,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-03-29 21:07:44,732 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 53 [2018-03-29 21:07:44,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:44,734 INFO L225 Difference]: With dead ends: 950 [2018-03-29 21:07:44,734 INFO L226 Difference]: Without dead ends: 949 [2018-03-29 21:07:44,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2018-03-29 21:07:44,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2018-03-29 21:07:44,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 676. [2018-03-29 21:07:44,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-03-29 21:07:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 809 transitions. [2018-03-29 21:07:44,760 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 809 transitions. Word has length 53 [2018-03-29 21:07:44,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:44,761 INFO L459 AbstractCegarLoop]: Abstraction has 676 states and 809 transitions. [2018-03-29 21:07:44,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-03-29 21:07:44,761 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 809 transitions. [2018-03-29 21:07:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-03-29 21:07:44,761 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:44,761 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:44,761 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:44,762 INFO L82 PathProgramCache]: Analyzing trace with hash 668019565, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:44,767 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:44,785 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:44,792 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 21 treesize of output 17 [2018-03-29 21:07:44,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:07:44,793 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:44,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:44,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:44,795 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:07:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:44,799 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:44,801 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 18 treesize of output 13 [2018-03-29 21:07:44,801 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:44,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:44,802 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:9 [2018-03-29 21:07:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:44,826 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:44,826 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:07:44,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:07:44,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:07:44,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:44,827 INFO L87 Difference]: Start difference. First operand 676 states and 809 transitions. Second operand 5 states. [2018-03-29 21:07:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:44,977 INFO L93 Difference]: Finished difference Result 676 states and 809 transitions. [2018-03-29 21:07:44,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:07:44,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2018-03-29 21:07:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:44,979 INFO L225 Difference]: With dead ends: 676 [2018-03-29 21:07:44,979 INFO L226 Difference]: Without dead ends: 675 [2018-03-29 21:07:44,980 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:07:44,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2018-03-29 21:07:44,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 675. [2018-03-29 21:07:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2018-03-29 21:07:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 806 transitions. [2018-03-29 21:07:44,996 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 806 transitions. Word has length 53 [2018-03-29 21:07:44,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:44,996 INFO L459 AbstractCegarLoop]: Abstraction has 675 states and 806 transitions. [2018-03-29 21:07:44,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:07:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 806 transitions. [2018-03-29 21:07:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-03-29 21:07:44,997 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:44,997 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:44,997 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:44,997 INFO L82 PathProgramCache]: Analyzing trace with hash 668019566, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:45,002 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:45,020 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:45,031 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 [2018-03-29 21:07:45,032 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 [2018-03-29 21:07:45,033 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,038 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 32 treesize of output 26 [2018-03-29 21:07:45,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2018-03-29 21:07:45,040 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,042 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,045 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,045 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:11 [2018-03-29 21:07:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:45,051 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:45,054 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 22 treesize of output 20 [2018-03-29 21:07:45,054 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,068 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 32 treesize of output 36 [2018-03-29 21:07:45,069 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:45,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:07:45,077 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:45 [2018-03-29 21:07:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:45,115 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:45,115 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-03-29 21:07:45,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:07:45,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:07:45,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:07:45,115 INFO L87 Difference]: Start difference. First operand 675 states and 806 transitions. Second operand 6 states. [2018-03-29 21:07:45,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:45,293 INFO L93 Difference]: Finished difference Result 675 states and 806 transitions. [2018-03-29 21:07:45,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:07:45,293 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2018-03-29 21:07:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:45,295 INFO L225 Difference]: With dead ends: 675 [2018-03-29 21:07:45,295 INFO L226 Difference]: Without dead ends: 674 [2018-03-29 21:07:45,296 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:07:45,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2018-03-29 21:07:45,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2018-03-29 21:07:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-03-29 21:07:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 803 transitions. [2018-03-29 21:07:45,312 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 803 transitions. Word has length 53 [2018-03-29 21:07:45,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:45,312 INFO L459 AbstractCegarLoop]: Abstraction has 674 states and 803 transitions. [2018-03-29 21:07:45,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:07:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 803 transitions. [2018-03-29 21:07:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-03-29 21:07:45,313 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:45,313 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:45,313 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:45,313 INFO L82 PathProgramCache]: Analyzing trace with hash -883815031, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:45,321 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:45,340 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:45,342 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 [2018-03-29 21:07:45,343 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,345 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,345 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:07:45,365 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:45,366 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:45,366 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 [2018-03-29 21:07:45,367 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,376 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:45,377 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:45,377 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 [2018-03-29 21:07:45,377 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,382 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. [2018-03-29 21:07:45,382 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2018-03-29 21:07:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:45,392 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:45,433 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:45,433 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:45,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-03-29 21:07:45,434 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:45,437 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. [2018-03-29 21:07:45,437 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:19 [2018-03-29 21:07:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:45,485 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:45,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-03-29 21:07:45,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-29 21:07:45,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-29 21:07:45,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-03-29 21:07:45,486 INFO L87 Difference]: Start difference. First operand 674 states and 803 transitions. Second operand 12 states. [2018-03-29 21:07:46,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:46,072 INFO L93 Difference]: Finished difference Result 2000 states and 2427 transitions. [2018-03-29 21:07:46,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 21:07:46,072 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2018-03-29 21:07:46,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:46,079 INFO L225 Difference]: With dead ends: 2000 [2018-03-29 21:07:46,079 INFO L226 Difference]: Without dead ends: 1997 [2018-03-29 21:07:46,080 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-03-29 21:07:46,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2018-03-29 21:07:46,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 674. [2018-03-29 21:07:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-03-29 21:07:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 803 transitions. [2018-03-29 21:07:46,103 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 803 transitions. Word has length 53 [2018-03-29 21:07:46,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:46,103 INFO L459 AbstractCegarLoop]: Abstraction has 674 states and 803 transitions. [2018-03-29 21:07:46,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-29 21:07:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 803 transitions. [2018-03-29 21:07:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-03-29 21:07:46,103 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:46,103 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:46,104 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:46,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1056665219, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:46,109 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:46,128 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:46,137 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 21 treesize of output 17 [2018-03-29 21:07:46,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:07:46,138 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,140 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:07:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:46,144 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:46,146 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 18 treesize of output 13 [2018-03-29 21:07:46,146 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,147 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:9 [2018-03-29 21:07:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:46,171 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:46,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:07:46,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:07:46,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:07:46,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:46,172 INFO L87 Difference]: Start difference. First operand 674 states and 803 transitions. Second operand 5 states. [2018-03-29 21:07:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:46,327 INFO L93 Difference]: Finished difference Result 674 states and 803 transitions. [2018-03-29 21:07:46,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:07:46,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2018-03-29 21:07:46,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:46,330 INFO L225 Difference]: With dead ends: 674 [2018-03-29 21:07:46,331 INFO L226 Difference]: Without dead ends: 673 [2018-03-29 21:07:46,331 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:07:46,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-03-29 21:07:46,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2018-03-29 21:07:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-03-29 21:07:46,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 799 transitions. [2018-03-29 21:07:46,354 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 799 transitions. Word has length 54 [2018-03-29 21:07:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:46,354 INFO L459 AbstractCegarLoop]: Abstraction has 673 states and 799 transitions. [2018-03-29 21:07:46,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:07:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 799 transitions. [2018-03-29 21:07:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-03-29 21:07:46,355 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:46,355 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:46,355 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:46,355 INFO L82 PathProgramCache]: Analyzing trace with hash 839258845, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:46,360 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:46,376 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:46,383 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:46,407 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:46,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:46,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 21:07:46,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 21:07:46,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:46,408 INFO L87 Difference]: Start difference. First operand 673 states and 799 transitions. Second operand 3 states. [2018-03-29 21:07:46,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:46,428 INFO L93 Difference]: Finished difference Result 1249 states and 1498 transitions. [2018-03-29 21:07:46,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:07:46,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-03-29 21:07:46,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:46,430 INFO L225 Difference]: With dead ends: 1249 [2018-03-29 21:07:46,430 INFO L226 Difference]: Without dead ends: 678 [2018-03-29 21:07:46,431 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:07:46,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2018-03-29 21:07:46,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 676. [2018-03-29 21:07:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-03-29 21:07:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 802 transitions. [2018-03-29 21:07:46,449 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 802 transitions. Word has length 55 [2018-03-29 21:07:46,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:46,449 INFO L459 AbstractCegarLoop]: Abstraction has 676 states and 802 transitions. [2018-03-29 21:07:46,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 21:07:46,449 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 802 transitions. [2018-03-29 21:07:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-03-29 21:07:46,449 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:46,449 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:46,450 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:46,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1583927902, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:46,455 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:46,475 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:46,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:07:46,478 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,493 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:07:46,497 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 [2018-03-29 21:07:46,498 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 [2018-03-29 21:07:46,499 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,500 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,502 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-29 21:07:46,506 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 21 treesize of output 17 [2018-03-29 21:07:46,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:07:46,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,508 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:07:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:46,513 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:46,537 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:46,537 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:07:46,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:07:46,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:07:46,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:46,538 INFO L87 Difference]: Start difference. First operand 676 states and 802 transitions. Second operand 5 states. [2018-03-29 21:07:46,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:46,744 INFO L93 Difference]: Finished difference Result 1008 states and 1193 transitions. [2018-03-29 21:07:46,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:07:46,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2018-03-29 21:07:46,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:46,747 INFO L225 Difference]: With dead ends: 1008 [2018-03-29 21:07:46,747 INFO L226 Difference]: Without dead ends: 1007 [2018-03-29 21:07:46,747 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:07:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2018-03-29 21:07:46,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 675. [2018-03-29 21:07:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2018-03-29 21:07:46,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 801 transitions. [2018-03-29 21:07:46,766 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 801 transitions. Word has length 56 [2018-03-29 21:07:46,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:46,766 INFO L459 AbstractCegarLoop]: Abstraction has 675 states and 801 transitions. [2018-03-29 21:07:46,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:07:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 801 transitions. [2018-03-29 21:07:46,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-03-29 21:07:46,767 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:46,767 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:46,767 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:46,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1583927901, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:46,773 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:46,793 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:46,796 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 [2018-03-29 21:07:46,796 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,801 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:07:46,808 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 [2018-03-29 21:07:46,810 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 10 treesize of output 9 [2018-03-29 21:07:46,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,818 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 [2018-03-29 21:07:46,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:07:46,820 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,821 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,825 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-29 21:07:46,831 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 21 treesize of output 17 [2018-03-29 21:07:46,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:07:46,832 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,837 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 [2018-03-29 21:07:46,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-29 21:07:46,838 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,839 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:46,842 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-29 21:07:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:46,848 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:46,891 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:46,891 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-29 21:07:46,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 21:07:46,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 21:07:46,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:07:46,892 INFO L87 Difference]: Start difference. First operand 675 states and 801 transitions. Second operand 8 states. [2018-03-29 21:07:47,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:47,237 INFO L93 Difference]: Finished difference Result 1018 states and 1202 transitions. [2018-03-29 21:07:47,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:07:47,238 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2018-03-29 21:07:47,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:47,239 INFO L225 Difference]: With dead ends: 1018 [2018-03-29 21:07:47,239 INFO L226 Difference]: Without dead ends: 1017 [2018-03-29 21:07:47,240 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:07:47,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2018-03-29 21:07:47,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 674. [2018-03-29 21:07:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2018-03-29 21:07:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 800 transitions. [2018-03-29 21:07:47,261 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 800 transitions. Word has length 56 [2018-03-29 21:07:47,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:47,262 INFO L459 AbstractCegarLoop]: Abstraction has 674 states and 800 transitions. [2018-03-29 21:07:47,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 21:07:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 800 transitions. [2018-03-29 21:07:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-03-29 21:07:47,262 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:47,262 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:47,262 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:47,263 INFO L82 PathProgramCache]: Analyzing trace with hash 2084779898, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:47,268 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:47,286 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:47,289 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 [2018-03-29 21:07:47,289 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:47,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:47,290 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:07:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:47,295 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:47,318 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:47,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-29 21:07:47,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-29 21:07:47,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-29 21:07:47,319 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-29 21:07:47,319 INFO L87 Difference]: Start difference. First operand 674 states and 800 transitions. Second operand 4 states. [2018-03-29 21:07:47,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:47,554 INFO L93 Difference]: Finished difference Result 1821 states and 2167 transitions. [2018-03-29 21:07:47,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:07:47,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2018-03-29 21:07:47,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:47,557 INFO L225 Difference]: With dead ends: 1821 [2018-03-29 21:07:47,557 INFO L226 Difference]: Without dead ends: 1820 [2018-03-29 21:07:47,557 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:07:47,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2018-03-29 21:07:47,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 673. [2018-03-29 21:07:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-03-29 21:07:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 799 transitions. [2018-03-29 21:07:47,580 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 799 transitions. Word has length 57 [2018-03-29 21:07:47,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:47,581 INFO L459 AbstractCegarLoop]: Abstraction has 673 states and 799 transitions. [2018-03-29 21:07:47,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-29 21:07:47,581 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 799 transitions. [2018-03-29 21:07:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-03-29 21:07:47,582 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:47,582 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:47,582 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:47,582 INFO L82 PathProgramCache]: Analyzing trace with hash 2084779899, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:47,588 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:47,607 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:47,633 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 [2018-03-29 21:07:47,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-29 21:07:47,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:47,636 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:47,641 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 [2018-03-29 21:07:47,642 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 [2018-03-29 21:07:47,642 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:47,643 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:47,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:47,645 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-29 21:07:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:47,659 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:47,713 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:47,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2018-03-29 21:07:47,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-29 21:07:47,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-29 21:07:47,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-03-29 21:07:47,714 INFO L87 Difference]: Start difference. First operand 673 states and 799 transitions. Second operand 9 states. [2018-03-29 21:07:47,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:47,984 INFO L93 Difference]: Finished difference Result 1441 states and 1711 transitions. [2018-03-29 21:07:47,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 21:07:47,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2018-03-29 21:07:47,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:47,986 INFO L225 Difference]: With dead ends: 1441 [2018-03-29 21:07:47,986 INFO L226 Difference]: Without dead ends: 807 [2018-03-29 21:07:47,987 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-03-29 21:07:47,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-03-29 21:07:48,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 700. [2018-03-29 21:07:48,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2018-03-29 21:07:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 825 transitions. [2018-03-29 21:07:48,007 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 825 transitions. Word has length 57 [2018-03-29 21:07:48,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:48,007 INFO L459 AbstractCegarLoop]: Abstraction has 700 states and 825 transitions. [2018-03-29 21:07:48,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-29 21:07:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 825 transitions. [2018-03-29 21:07:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-03-29 21:07:48,008 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:48,008 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:48,008 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:48,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1577211488, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:48,013 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:48,034 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:48,044 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:48,044 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:48,045 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 [2018-03-29 21:07:48,045 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,047 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,047 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-03-29 21:07:48,054 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 [2018-03-29 21:07:48,055 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 [2018-03-29 21:07:48,055 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,056 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,059 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,059 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2018-03-29 21:07:48,077 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 34 treesize of output 28 [2018-03-29 21:07:48,078 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 [2018-03-29 21:07:48,079 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,085 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:14 [2018-03-29 21:07:48,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-29 21:07:48,115 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:48,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-29 21:07:48,116 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,118 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,123 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:10 [2018-03-29 21:07:48,133 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:48,133 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 [2018-03-29 21:07:48,133 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,137 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. [2018-03-29 21:07:48,137 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-03-29 21:07:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:48,155 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:48,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 1 [2018-03-29 21:07:48,181 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,184 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,184 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-03-29 21:07:48,258 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 13 [2018-03-29 21:07:48,265 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 12 treesize of output 3 [2018-03-29 21:07:48,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:48,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:48,274 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:07:48,274 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:16 [2018-03-29 21:07:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:48,341 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:07:48,342 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2018-03-29 21:07:48,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-03-29 21:07:48,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-03-29 21:07:48,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-03-29 21:07:48,342 INFO L87 Difference]: Start difference. First operand 700 states and 825 transitions. Second operand 19 states. [2018-03-29 21:07:49,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:07:49,202 INFO L93 Difference]: Finished difference Result 968 states and 1105 transitions. [2018-03-29 21:07:49,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-03-29 21:07:49,203 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 58 [2018-03-29 21:07:49,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:07:49,204 INFO L225 Difference]: With dead ends: 968 [2018-03-29 21:07:49,204 INFO L226 Difference]: Without dead ends: 967 [2018-03-29 21:07:49,204 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 94 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2018-03-29 21:07:49,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-03-29 21:07:49,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 701. [2018-03-29 21:07:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2018-03-29 21:07:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 826 transitions. [2018-03-29 21:07:49,228 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 826 transitions. Word has length 58 [2018-03-29 21:07:49,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:07:49,228 INFO L459 AbstractCegarLoop]: Abstraction has 701 states and 826 transitions. [2018-03-29 21:07:49,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-03-29 21:07:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 826 transitions. [2018-03-29 21:07:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-03-29 21:07:49,228 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:07:49,229 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:07:49,229 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:07:49,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1079880200, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:07:49,234 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:07:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:07:49,255 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:07:49,265 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:49,266 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:49,266 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 [2018-03-29 21:07:49,267 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,272 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:18 [2018-03-29 21:07:49,282 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 [2018-03-29 21:07:49,283 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 [2018-03-29 21:07:49,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,284 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,293 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 [2018-03-29 21:07:49,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:07:49,295 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,296 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,303 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:30 [2018-03-29 21:07:49,350 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 65 treesize of output 66 [2018-03-29 21:07:49,353 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 [2018-03-29 21:07:49,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,379 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,395 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 76 treesize of output 70 [2018-03-29 21:07:49,397 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 26 treesize of output 25 [2018-03-29 21:07:49,397 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,403 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,412 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:94, output treesize:55 [2018-03-29 21:07:49,489 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 [2018-03-29 21:07:49,492 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:49,493 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 31 treesize of output 27 [2018-03-29 21:07:49,493 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,498 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,515 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. [2018-03-29 21:07:49,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:79, output treesize:64 [2018-03-29 21:07:49,543 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:49,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2018-03-29 21:07:49,549 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 [2018-03-29 21:07:49,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:07:49,561 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:49,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:49,575 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:68, output treesize:15 [2018-03-29 21:07:49,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:07:49,634 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:07:54,075 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 77 [2018-03-29 21:07:54,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 10 [2018-03-29 21:07:54,097 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:54,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 73 treesize of output 112 [2018-03-29 21:07:54,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 85 [2018-03-29 21:07:54,157 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:54,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 86 [2018-03-29 21:07:54,299 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:54,434 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 79 treesize of output 123 [2018-03-29 21:07:54,435 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:54,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 174 [2018-03-29 21:07:54,578 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-03-29 21:07:54,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 87 [2018-03-29 21:07:54,740 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 41 treesize of output 5 [2018-03-29 21:07:54,741 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:54,749 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:54,750 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:54,751 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:54,751 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 22 treesize of output 19 [2018-03-29 21:07:54,751 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:54,757 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:54,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 89 [2018-03-29 21:07:54,901 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 72 treesize of output 36 [2018-03-29 21:07:54,902 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:54,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2018-03-29 21:07:54,940 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:54,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 71 [2018-03-29 21:07:54,981 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:55,019 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 24 treesize of output 24 [2018-03-29 21:07:55,019 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-03-29 21:07:55,034 INFO L267 ElimStorePlain]: Start of recursive call 12: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 85 treesize of output 93 [2018-03-29 21:07:55,130 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 72 treesize of output 63 [2018-03-29 21:07:55,131 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,170 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 75 treesize of output 65 [2018-03-29 21:07:55,170 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,207 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 57 treesize of output 21 [2018-03-29 21:07:55,207 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:55,255 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 112 [2018-03-29 21:07:55,256 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:55,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 156 [2018-03-29 21:07:55,328 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:55,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 23 [2018-03-29 21:07:55,384 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:55,431 INFO L267 ElimStorePlain]: Start of recursive call 17: 6 dim-1 vars, End of recursive call: 4 dim-0 vars, and 6 xjuncts. [2018-03-29 21:07:55,617 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:55,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 90 [2018-03-29 21:07:55,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 156 [2018-03-29 21:07:55,658 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:55,728 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 64 treesize of output 100 [2018-03-29 21:07:55,729 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:55,778 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 61 treesize of output 97 [2018-03-29 21:07:55,779 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:55,789 INFO L267 ElimStorePlain]: Start of recursive call 24: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,804 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,819 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 90 [2018-03-29 21:07:55,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 76 [2018-03-29 21:07:55,824 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,857 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 76 treesize of output 75 [2018-03-29 21:07:55,857 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,894 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 75 treesize of output 75 [2018-03-29 21:07:55,900 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 0 case distinctions, treesize of input 66 treesize of output 44 [2018-03-29 21:07:55,900 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,912 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,930 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 99 [2018-03-29 21:07:55,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 80 [2018-03-29 21:07:55,955 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:55,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 81 [2018-03-29 21:07:55,986 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:56,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 82 [2018-03-29 21:07:56,018 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 41 treesize of output 5 [2018-03-29 21:07:56,018 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:56,026 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:56,027 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:56,027 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:56,027 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 22 treesize of output 19 [2018-03-29 21:07:56,028 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:56,032 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:56,064 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 80 treesize of output 82 [2018-03-29 21:07:56,066 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 60 [2018-03-29 21:07:56,067 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:56,096 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 107 [2018-03-29 21:07:56,097 INFO L267 ElimStorePlain]: Start of recursive call 41: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:56,136 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 73 treesize of output 64 [2018-03-29 21:07:56,137 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:56,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 52 [2018-03-29 21:07:56,172 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:56,206 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 52 treesize of output 16 [2018-03-29 21:07:56,206 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:56,238 INFO L267 ElimStorePlain]: Start of recursive call 39: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-29 21:07:56,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 88 [2018-03-29 21:07:56,318 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 67 treesize of output 31 [2018-03-29 21:07:56,318 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:56,350 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 31 treesize of output 22 [2018-03-29 21:07:56,350 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:56,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 151 [2018-03-29 21:07:56,405 INFO L267 ElimStorePlain]: Start of recursive call 48: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:56,467 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2018-03-29 21:07:56,468 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:56,537 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 107 [2018-03-29 21:07:56,539 INFO L267 ElimStorePlain]: Start of recursive call 50: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:56,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2018-03-29 21:07:56,617 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:56,689 INFO L267 ElimStorePlain]: Start of recursive call 45: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-03-29 21:07:56,795 INFO L267 ElimStorePlain]: Start of recursive call 33: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 10 dim-0 vars, and 12 xjuncts. [2018-03-29 21:07:56,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 105 treesize of output 144 [2018-03-29 21:07:56,834 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 117 treesize of output 118 [2018-03-29 21:07:56,835 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:56,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 123 [2018-03-29 21:07:56,966 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:57,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 117 [2018-03-29 21:07:57,089 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:57,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 112 [2018-03-29 21:07:57,210 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:57,330 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 112 treesize of output 104 [2018-03-29 21:07:57,332 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:57,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-03-29 21:07:57,333 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:57,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 43 [2018-03-29 21:07:57,342 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:57,347 INFO L267 ElimStorePlain]: Start of recursive call 57: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:57,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 125 [2018-03-29 21:07:57,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 146 [2018-03-29 21:07:57,494 INFO L267 ElimStorePlain]: Start of recursive call 61: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:57,570 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 104 treesize of output 68 [2018-03-29 21:07:57,571 INFO L267 ElimStorePlain]: Start of recursive call 62: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:57,639 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 68 treesize of output 59 [2018-03-29 21:07:57,639 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:57,705 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 107 treesize of output 97 [2018-03-29 21:07:57,706 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:57,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 48 [2018-03-29 21:07:57,765 INFO L267 ElimStorePlain]: Start of recursive call 65: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:57,839 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 144 [2018-03-29 21:07:57,840 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:57,921 INFO L267 ElimStorePlain]: Start of recursive call 60: 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 8 xjuncts. [2018-03-29 21:07:58,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 114 [2018-03-29 21:07:58,190 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:58,193 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:58,202 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 103 treesize of output 153 [2018-03-29 21:07:58,203 INFO L267 ElimStorePlain]: Start of recursive call 68: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:58,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 91 [2018-03-29 21:07:58,274 INFO L267 ElimStorePlain]: Start of recursive call 69: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:58,317 INFO L267 ElimStorePlain]: Start of recursive call 67: 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-29 21:07:58,547 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:07:58,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 122 [2018-03-29 21:07:58,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 90 [2018-03-29 21:07:58,568 INFO L267 ElimStorePlain]: Start of recursive call 71: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:58,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 146 [2018-03-29 21:07:58,630 INFO L267 ElimStorePlain]: Start of recursive call 72: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:58,714 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 144 [2018-03-29 21:07:58,715 INFO L267 ElimStorePlain]: Start of recursive call 73: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:58,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 87 [2018-03-29 21:07:58,805 INFO L267 ElimStorePlain]: Start of recursive call 74: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:58,870 INFO L267 ElimStorePlain]: Start of recursive call 70: 4 dim-1 vars, End of recursive call: 6 dim-0 vars, and 7 xjuncts. [2018-03-29 21:07:59,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 119 [2018-03-29 21:07:59,147 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 29 treesize of output 19 [2018-03-29 21:07:59,147 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-03-29 21:07:59,157 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 41 treesize of output 5 [2018-03-29 21:07:59,157 INFO L267 ElimStorePlain]: Start of recursive call 77: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:59,163 INFO L267 ElimStorePlain]: Start of recursive call 75: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:07:59,413 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 112 treesize of output 110 [2018-03-29 21:07:59,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 131 [2018-03-29 21:07:59,434 INFO L267 ElimStorePlain]: Start of recursive call 79: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:59,460 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:07:59,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 141 [2018-03-29 21:07:59,472 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:59,503 INFO L267 ElimStorePlain]: Start of recursive call 78: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:07:59,750 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 105 [2018-03-29 21:07:59,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 131 [2018-03-29 21:07:59,772 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:07:59,788 INFO L267 ElimStorePlain]: Start of recursive call 81: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:08:00,040 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 117 treesize of output 119 [2018-03-29 21:08:00,043 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 110 treesize of output 101 [2018-03-29 21:08:00,044 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:00,064 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 103 treesize of output 97 [2018-03-29 21:08:00,064 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:00,082 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 88 treesize of output 82 [2018-03-29 21:08:00,082 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:00,111 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 144 [2018-03-29 21:08:00,112 INFO L267 ElimStorePlain]: Start of recursive call 87: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:08:00,153 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 82 treesize of output 46 [2018-03-29 21:08:00,153 INFO L267 ElimStorePlain]: Start of recursive call 88: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:00,187 INFO L267 ElimStorePlain]: Start of recursive call 83: 5 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-29 21:08:00,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 121 [2018-03-29 21:08:00,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 95 [2018-03-29 21:08:00,469 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:00,504 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:00,506 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 103 treesize of output 98 [2018-03-29 21:08:00,506 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:00,551 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 144 [2018-03-29 21:08:00,552 INFO L267 ElimStorePlain]: Start of recursive call 92: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:08:00,611 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 82 treesize of output 46 [2018-03-29 21:08:00,612 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:00,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 46 [2018-03-29 21:08:00,666 INFO L267 ElimStorePlain]: Start of recursive call 94: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:00,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 90 [2018-03-29 21:08:00,724 INFO L267 ElimStorePlain]: Start of recursive call 95: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-29 21:08:00,772 INFO L267 ElimStorePlain]: Start of recursive call 89: 6 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2018-03-29 21:08:01,082 INFO L267 ElimStorePlain]: Start of recursive call 52: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: 28 dim-0 vars, and 29 xjuncts. [2018-03-29 21:08:01,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 38 dim-0 vars, and 39 xjuncts. [2018-03-29 21:08:02,006 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-03-29 21:08:02,029 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 11 treesize of output 10 [2018-03-29 21:08:02,030 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,037 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 22 treesize of output 18 [2018-03-29 21:08:02,039 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:02,040 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 18 treesize of output 13 [2018-03-29 21:08:02,041 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,042 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,045 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,047 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-03-29 21:08:02,064 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 11 treesize of output 10 [2018-03-29 21:08:02,064 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,070 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 20 treesize of output 16 [2018-03-29 21:08:02,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:08:02,072 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,089 INFO L267 ElimStorePlain]: Start of recursive call 102: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,093 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 77 [2018-03-29 21:08:02,132 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 11 treesize of output 10 [2018-03-29 21:08:02,132 INFO L267 ElimStorePlain]: Start of recursive call 105: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,143 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 42 treesize of output 34 [2018-03-29 21:08:02,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-03-29 21:08:02,145 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,147 INFO L267 ElimStorePlain]: Start of recursive call 106: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,152 INFO L267 ElimStorePlain]: Start of recursive call 104: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-03-29 21:08:02,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:08:02,171 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-29 21:08:02,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:08:02,179 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,180 INFO L267 ElimStorePlain]: Start of recursive call 110: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,184 INFO L267 ElimStorePlain]: Start of recursive call 108: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,187 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 75 [2018-03-29 21:08:02,221 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 11 treesize of output 10 [2018-03-29 21:08:02,221 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,231 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 42 treesize of output 34 [2018-03-29 21:08:02,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-03-29 21:08:02,232 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,234 INFO L267 ElimStorePlain]: Start of recursive call 114: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,238 INFO L267 ElimStorePlain]: Start of recursive call 112: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,241 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 58 [2018-03-29 21:08:02,266 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 11 treesize of output 10 [2018-03-29 21:08:02,266 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,275 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 [2018-03-29 21:08:02,277 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 25 treesize of output 16 [2018-03-29 21:08:02,277 INFO L267 ElimStorePlain]: Start of recursive call 119: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,279 INFO L267 ElimStorePlain]: Start of recursive call 118: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,283 INFO L267 ElimStorePlain]: Start of recursive call 116: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,286 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2018-03-29 21:08:02,305 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 11 treesize of output 10 [2018-03-29 21:08:02,306 INFO L267 ElimStorePlain]: Start of recursive call 121: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-29 21:08:02,316 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 16 treesize of output 11 [2018-03-29 21:08:02,316 INFO L267 ElimStorePlain]: Start of recursive call 123: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,318 INFO L267 ElimStorePlain]: Start of recursive call 122: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,324 INFO L267 ElimStorePlain]: Start of recursive call 120: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,327 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 75 [2018-03-29 21:08:02,358 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 11 treesize of output 10 [2018-03-29 21:08:02,358 INFO L267 ElimStorePlain]: Start of recursive call 125: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,368 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 42 treesize of output 34 [2018-03-29 21:08:02,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-03-29 21:08:02,370 INFO L267 ElimStorePlain]: Start of recursive call 127: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,371 INFO L267 ElimStorePlain]: Start of recursive call 126: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,375 INFO L267 ElimStorePlain]: Start of recursive call 124: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,378 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 76 [2018-03-29 21:08:02,441 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 11 treesize of output 10 [2018-03-29 21:08:02,441 INFO L267 ElimStorePlain]: Start of recursive call 129: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,470 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 34 [2018-03-29 21:08:02,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2018-03-29 21:08:02,472 INFO L267 ElimStorePlain]: Start of recursive call 131: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,474 INFO L267 ElimStorePlain]: Start of recursive call 130: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,475 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 21 treesize of output 19 [2018-03-29 21:08:02,477 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 8 treesize of output 1 [2018-03-29 21:08:02,477 INFO L267 ElimStorePlain]: Start of recursive call 133: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,480 INFO L267 ElimStorePlain]: Start of recursive call 132: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,493 INFO L267 ElimStorePlain]: Start of recursive call 128: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:08:02,496 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 72 [2018-03-29 21:08:02,558 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 11 treesize of output 10 [2018-03-29 21:08:02,558 INFO L267 ElimStorePlain]: Start of recursive call 135: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,589 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 21 treesize of output 19 [2018-03-29 21:08:02,591 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 8 treesize of output 1 [2018-03-29 21:08:02,591 INFO L267 ElimStorePlain]: Start of recursive call 137: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,595 INFO L267 ElimStorePlain]: Start of recursive call 136: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,596 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 34 [2018-03-29 21:08:02,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-03-29 21:08:02,599 INFO L267 ElimStorePlain]: Start of recursive call 139: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,600 INFO L267 ElimStorePlain]: Start of recursive call 138: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,617 INFO L267 ElimStorePlain]: Start of recursive call 134: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:08:02,620 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 56 [2018-03-29 21:08:02,647 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 11 treesize of output 10 [2018-03-29 21:08:02,647 INFO L267 ElimStorePlain]: Start of recursive call 141: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,657 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 31 treesize of output 25 [2018-03-29 21:08:02,659 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 25 treesize of output 16 [2018-03-29 21:08:02,659 INFO L267 ElimStorePlain]: Start of recursive call 143: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,660 INFO L267 ElimStorePlain]: Start of recursive call 142: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,665 INFO L267 ElimStorePlain]: Start of recursive call 140: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,667 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-03-29 21:08:02,690 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 11 treesize of output 10 [2018-03-29 21:08:02,690 INFO L267 ElimStorePlain]: Start of recursive call 145: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,698 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 22 treesize of output 18 [2018-03-29 21:08:02,700 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:02,702 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 18 treesize of output 13 [2018-03-29 21:08:02,702 INFO L267 ElimStorePlain]: Start of recursive call 147: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,704 INFO L267 ElimStorePlain]: Start of recursive call 146: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,708 INFO L267 ElimStorePlain]: Start of recursive call 144: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,711 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-03-29 21:08:02,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:08:02,728 INFO L267 ElimStorePlain]: Start of recursive call 149: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,736 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 20 treesize of output 16 [2018-03-29 21:08:02,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:08:02,738 INFO L267 ElimStorePlain]: Start of recursive call 151: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,739 INFO L267 ElimStorePlain]: Start of recursive call 150: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,743 INFO L267 ElimStorePlain]: Start of recursive call 148: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,747 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 81 [2018-03-29 21:08:02,781 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 11 treesize of output 10 [2018-03-29 21:08:02,781 INFO L267 ElimStorePlain]: Start of recursive call 153: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,792 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 34 [2018-03-29 21:08:02,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-03-29 21:08:02,794 INFO L267 ElimStorePlain]: Start of recursive call 155: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,795 INFO L267 ElimStorePlain]: Start of recursive call 154: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,800 INFO L267 ElimStorePlain]: Start of recursive call 152: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,802 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 75 [2018-03-29 21:08:02,831 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 11 treesize of output 10 [2018-03-29 21:08:02,832 INFO L267 ElimStorePlain]: Start of recursive call 157: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,840 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 42 treesize of output 34 [2018-03-29 21:08:02,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-03-29 21:08:02,842 INFO L267 ElimStorePlain]: Start of recursive call 159: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,843 INFO L267 ElimStorePlain]: Start of recursive call 158: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,847 INFO L267 ElimStorePlain]: Start of recursive call 156: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,850 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2018-03-29 21:08:02,866 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 11 treesize of output 10 [2018-03-29 21:08:02,866 INFO L267 ElimStorePlain]: Start of recursive call 161: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-03-29 21:08:02,874 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:08:02,874 INFO L267 ElimStorePlain]: Start of recursive call 163: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,875 INFO L267 ElimStorePlain]: Start of recursive call 162: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,879 INFO L267 ElimStorePlain]: Start of recursive call 160: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,882 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 58 [2018-03-29 21:08:02,907 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 11 treesize of output 10 [2018-03-29 21:08:02,907 INFO L267 ElimStorePlain]: Start of recursive call 165: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,916 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 [2018-03-29 21:08:02,917 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 25 treesize of output 16 [2018-03-29 21:08:02,918 INFO L267 ElimStorePlain]: Start of recursive call 167: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,919 INFO L267 ElimStorePlain]: Start of recursive call 166: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,923 INFO L267 ElimStorePlain]: Start of recursive call 164: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,925 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 56 [2018-03-29 21:08:02,950 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 11 treesize of output 10 [2018-03-29 21:08:02,950 INFO L267 ElimStorePlain]: Start of recursive call 169: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,958 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 31 treesize of output 25 [2018-03-29 21:08:02,960 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 25 treesize of output 16 [2018-03-29 21:08:02,960 INFO L267 ElimStorePlain]: Start of recursive call 171: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,961 INFO L267 ElimStorePlain]: Start of recursive call 170: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,965 INFO L267 ElimStorePlain]: Start of recursive call 168: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:02,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 53 [2018-03-29 21:08:02,994 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 11 treesize of output 10 [2018-03-29 21:08:02,994 INFO L267 ElimStorePlain]: Start of recursive call 173: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,019 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 21 treesize of output 19 [2018-03-29 21:08:03,021 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 8 treesize of output 1 [2018-03-29 21:08:03,021 INFO L267 ElimStorePlain]: Start of recursive call 175: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,024 INFO L267 ElimStorePlain]: Start of recursive call 174: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,026 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 [2018-03-29 21:08:03,028 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 25 treesize of output 16 [2018-03-29 21:08:03,028 INFO L267 ElimStorePlain]: Start of recursive call 177: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,029 INFO L267 ElimStorePlain]: Start of recursive call 176: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,045 INFO L267 ElimStorePlain]: Start of recursive call 172: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:08:03,047 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 65 [2018-03-29 21:08:03,074 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 11 treesize of output 10 [2018-03-29 21:08:03,075 INFO L267 ElimStorePlain]: Start of recursive call 179: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,083 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 33 treesize of output 27 [2018-03-29 21:08:03,085 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:03,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-29 21:08:03,086 INFO L267 ElimStorePlain]: Start of recursive call 181: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,087 INFO L267 ElimStorePlain]: Start of recursive call 180: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,091 INFO L267 ElimStorePlain]: Start of recursive call 178: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,093 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-03-29 21:08:03,108 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 11 treesize of output 10 [2018-03-29 21:08:03,109 INFO L267 ElimStorePlain]: Start of recursive call 183: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,114 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 20 treesize of output 16 [2018-03-29 21:08:03,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:08:03,116 INFO L267 ElimStorePlain]: Start of recursive call 185: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,117 INFO L267 ElimStorePlain]: Start of recursive call 184: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,121 INFO L267 ElimStorePlain]: Start of recursive call 182: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,123 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 65 [2018-03-29 21:08:03,149 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 11 treesize of output 10 [2018-03-29 21:08:03,150 INFO L267 ElimStorePlain]: Start of recursive call 187: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,186 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 33 treesize of output 27 [2018-03-29 21:08:03,187 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:03,188 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 [2018-03-29 21:08:03,188 INFO L267 ElimStorePlain]: Start of recursive call 189: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,190 INFO L267 ElimStorePlain]: Start of recursive call 188: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,193 INFO L267 ElimStorePlain]: Start of recursive call 186: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,196 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 77 [2018-03-29 21:08:03,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:08:03,227 INFO L267 ElimStorePlain]: Start of recursive call 191: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,237 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 34 [2018-03-29 21:08:03,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2018-03-29 21:08:03,239 INFO L267 ElimStorePlain]: Start of recursive call 193: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,240 INFO L267 ElimStorePlain]: Start of recursive call 192: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,243 INFO L267 ElimStorePlain]: Start of recursive call 190: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,246 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 56 [2018-03-29 21:08:03,270 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 11 treesize of output 10 [2018-03-29 21:08:03,270 INFO L267 ElimStorePlain]: Start of recursive call 195: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,277 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 31 treesize of output 25 [2018-03-29 21:08:03,279 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 25 treesize of output 16 [2018-03-29 21:08:03,279 INFO L267 ElimStorePlain]: Start of recursive call 197: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,280 INFO L267 ElimStorePlain]: Start of recursive call 196: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,284 INFO L267 ElimStorePlain]: Start of recursive call 194: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,286 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 75 [2018-03-29 21:08:03,316 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 11 treesize of output 10 [2018-03-29 21:08:03,316 INFO L267 ElimStorePlain]: Start of recursive call 199: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,325 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 42 treesize of output 34 [2018-03-29 21:08:03,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2018-03-29 21:08:03,327 INFO L267 ElimStorePlain]: Start of recursive call 201: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,328 INFO L267 ElimStorePlain]: Start of recursive call 200: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,331 INFO L267 ElimStorePlain]: Start of recursive call 198: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,335 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 77 [2018-03-29 21:08:03,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:08:03,366 INFO L267 ElimStorePlain]: Start of recursive call 203: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,376 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 34 [2018-03-29 21:08:03,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-03-29 21:08:03,378 INFO L267 ElimStorePlain]: Start of recursive call 205: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,379 INFO L267 ElimStorePlain]: Start of recursive call 204: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,383 INFO L267 ElimStorePlain]: Start of recursive call 202: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,385 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-03-29 21:08:03,401 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 11 treesize of output 10 [2018-03-29 21:08:03,401 INFO L267 ElimStorePlain]: Start of recursive call 207: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,407 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 20 treesize of output 16 [2018-03-29 21:08:03,409 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 16 treesize of output 11 [2018-03-29 21:08:03,409 INFO L267 ElimStorePlain]: Start of recursive call 209: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,410 INFO L267 ElimStorePlain]: Start of recursive call 208: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,413 INFO L267 ElimStorePlain]: Start of recursive call 206: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,416 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 56 [2018-03-29 21:08:03,439 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 11 treesize of output 10 [2018-03-29 21:08:03,440 INFO L267 ElimStorePlain]: Start of recursive call 211: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,447 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 31 treesize of output 25 [2018-03-29 21:08:03,449 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 25 treesize of output 16 [2018-03-29 21:08:03,449 INFO L267 ElimStorePlain]: Start of recursive call 213: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,450 INFO L267 ElimStorePlain]: Start of recursive call 212: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,454 INFO L267 ElimStorePlain]: Start of recursive call 210: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,457 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 58 [2018-03-29 21:08:03,482 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 11 treesize of output 10 [2018-03-29 21:08:03,483 INFO L267 ElimStorePlain]: Start of recursive call 215: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,491 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 [2018-03-29 21:08:03,492 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 25 treesize of output 16 [2018-03-29 21:08:03,492 INFO L267 ElimStorePlain]: Start of recursive call 217: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,494 INFO L267 ElimStorePlain]: Start of recursive call 216: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,499 INFO L267 ElimStorePlain]: Start of recursive call 214: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,502 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 75 [2018-03-29 21:08:03,532 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 11 treesize of output 10 [2018-03-29 21:08:03,532 INFO L267 ElimStorePlain]: Start of recursive call 219: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,541 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 42 treesize of output 34 [2018-03-29 21:08:03,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 21 [2018-03-29 21:08:03,543 INFO L267 ElimStorePlain]: Start of recursive call 221: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,544 INFO L267 ElimStorePlain]: Start of recursive call 220: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,548 INFO L267 ElimStorePlain]: Start of recursive call 218: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,550 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 56 [2018-03-29 21:08:03,575 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 11 treesize of output 10 [2018-03-29 21:08:03,575 INFO L267 ElimStorePlain]: Start of recursive call 223: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,582 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 31 treesize of output 25 [2018-03-29 21:08:03,584 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 25 treesize of output 16 [2018-03-29 21:08:03,584 INFO L267 ElimStorePlain]: Start of recursive call 225: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,586 INFO L267 ElimStorePlain]: Start of recursive call 224: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,589 INFO L267 ElimStorePlain]: Start of recursive call 222: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,592 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 56 [2018-03-29 21:08:03,618 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 11 treesize of output 10 [2018-03-29 21:08:03,618 INFO L267 ElimStorePlain]: Start of recursive call 227: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,625 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 31 treesize of output 25 [2018-03-29 21:08:03,627 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 25 treesize of output 16 [2018-03-29 21:08:03,627 INFO L267 ElimStorePlain]: Start of recursive call 229: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,628 INFO L267 ElimStorePlain]: Start of recursive call 228: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,632 INFO L267 ElimStorePlain]: Start of recursive call 226: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,634 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 62 [2018-03-29 21:08:03,664 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 11 treesize of output 10 [2018-03-29 21:08:03,664 INFO L267 ElimStorePlain]: Start of recursive call 231: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,674 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 [2018-03-29 21:08:03,676 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 25 treesize of output 16 [2018-03-29 21:08:03,676 INFO L267 ElimStorePlain]: Start of recursive call 233: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,678 INFO L267 ElimStorePlain]: Start of recursive call 232: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,683 INFO L267 ElimStorePlain]: Start of recursive call 230: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,685 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 57 [2018-03-29 21:08:03,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:08:03,730 INFO L267 ElimStorePlain]: Start of recursive call 235: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,752 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 21 treesize of output 19 [2018-03-29 21:08:03,753 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 8 treesize of output 1 [2018-03-29 21:08:03,753 INFO L267 ElimStorePlain]: Start of recursive call 237: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,756 INFO L267 ElimStorePlain]: Start of recursive call 236: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,758 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 [2018-03-29 21:08:03,759 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 25 treesize of output 16 [2018-03-29 21:08:03,760 INFO L267 ElimStorePlain]: Start of recursive call 239: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,761 INFO L267 ElimStorePlain]: Start of recursive call 238: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:03,773 INFO L267 ElimStorePlain]: Start of recursive call 234: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:08:04,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 44 dim-0 vars, and 45 xjuncts. [2018-03-29 21:08:04,097 INFO L202 ElimStorePlain]: Needed 239 recursive calls to eliminate 5 variables, input treesize:112, output treesize:638 [2018-03-29 21:08:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:04,342 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:08:04,343 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 25 [2018-03-29 21:08:04,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-03-29 21:08:04,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-03-29 21:08:04,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=561, Unknown=2, NotChecked=0, Total=650 [2018-03-29 21:08:04,343 INFO L87 Difference]: Start difference. First operand 701 states and 826 transitions. Second operand 26 states. [2018-03-29 21:08:06,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:08:06,266 INFO L93 Difference]: Finished difference Result 1201 states and 1389 transitions. [2018-03-29 21:08:06,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-03-29 21:08:06,267 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 58 [2018-03-29 21:08:06,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:08:06,268 INFO L225 Difference]: With dead ends: 1201 [2018-03-29 21:08:06,268 INFO L226 Difference]: Without dead ends: 1200 [2018-03-29 21:08:06,269 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=375, Invalid=1693, Unknown=2, NotChecked=0, Total=2070 [2018-03-29 21:08:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2018-03-29 21:08:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 711. [2018-03-29 21:08:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2018-03-29 21:08:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 837 transitions. [2018-03-29 21:08:06,292 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 837 transitions. Word has length 58 [2018-03-29 21:08:06,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:08:06,292 INFO L459 AbstractCegarLoop]: Abstraction has 711 states and 837 transitions. [2018-03-29 21:08:06,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-03-29 21:08:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 837 transitions. [2018-03-29 21:08:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-03-29 21:08:06,293 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:08:06,293 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:08:06,293 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:08:06,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1079880201, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:08:06,301 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:08:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:08:06,327 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:08:06,376 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:06,377 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:06,378 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 [2018-03-29 21:08:06,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,381 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,381 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-03-29 21:08:06,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-29 21:08:06,391 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 10 treesize of output 9 [2018-03-29 21:08:06,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,393 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,401 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 [2018-03-29 21:08:06,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:08:06,402 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,404 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,409 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:34, output treesize:14 [2018-03-29 21:08:06,448 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 81 treesize of output 75 [2018-03-29 21:08:06,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 25 [2018-03-29 21:08:06,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,455 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 62 [2018-03-29 21:08:06,468 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 [2018-03-29 21:08:06,468 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,473 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:06,480 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:84, output treesize:64 [2018-03-29 21:08:06,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:06,623 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:08:09,205 WARN L148 SmtUtils]: Spent 107ms on a formula simplification that was a NOOP. DAG size: 44 [2018-03-29 21:08:09,485 WARN L148 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 42 [2018-03-29 21:08:09,491 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 135 [2018-03-29 21:08:09,520 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 11 treesize of output 10 [2018-03-29 21:08:09,520 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,535 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 120 treesize of output 116 [2018-03-29 21:08:09,537 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 111 [2018-03-29 21:08:09,538 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:09,543 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:09,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-29 21:08:09,591 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 71 [2018-03-29 21:08:09,628 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 11 treesize of output 10 [2018-03-29 21:08:09,628 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,645 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 45 [2018-03-29 21:08:09,647 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 9 treesize of output 14 [2018-03-29 21:08:09,647 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2018-03-29 21:08:09,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2018-03-29 21:08:09,662 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,676 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 22 [2018-03-29 21:08:09,677 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:09,687 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 9 [2018-03-29 21:08:09,687 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,694 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 9 treesize of output 7 [2018-03-29 21:08:09,694 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,701 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,705 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2018-03-29 21:08:09,705 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,706 INFO L267 ElimStorePlain]: Start of recursive call 10: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,707 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 68 [2018-03-29 21:08:09,726 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 54 treesize of output 59 [2018-03-29 21:08:09,726 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,753 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 50 treesize of output 66 [2018-03-29 21:08:09,753 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,777 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 48 treesize of output 39 [2018-03-29 21:08:09,778 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2018-03-29 21:08:09,779 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,785 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 20 treesize of output 11 [2018-03-29 21:08:09,785 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,788 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 55 [2018-03-29 21:08:09,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2018-03-29 21:08:09,817 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:09,845 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 35 treesize of output 29 [2018-03-29 21:08:09,845 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,867 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 22 treesize of output 17 [2018-03-29 21:08:09,867 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,886 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,887 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 10 [2018-03-29 21:08:09,888 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,909 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2018-03-29 21:08:09,910 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,924 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,924 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,925 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:09,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 38 [2018-03-29 21:08:09,931 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,936 INFO L267 ElimStorePlain]: Start of recursive call 22: 6 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,938 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,942 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:09,945 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 73 [2018-03-29 21:08:09,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-29 21:08:09,987 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 57 [2018-03-29 21:08:10,020 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2018-03-29 21:08:10,023 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,050 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 45 treesize of output 50 [2018-03-29 21:08:10,050 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2018-03-29 21:08:10,082 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 31 [2018-03-29 21:08:10,083 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,098 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 31 treesize of output 25 [2018-03-29 21:08:10,098 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-29 21:08:10,113 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2018-03-29 21:08:10,126 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,139 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,144 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 36 [2018-03-29 21:08:10,145 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,152 INFO L267 ElimStorePlain]: Start of recursive call 34: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-03-29 21:08:10,189 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-03-29 21:08:10,192 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,267 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 21 [2018-03-29 21:08:10,270 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:08:10,284 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 9 treesize of output 7 [2018-03-29 21:08:10,285 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,289 INFO L267 ElimStorePlain]: Start of recursive call 40: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,294 INFO L267 ElimStorePlain]: Start of recursive call 31: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 47 treesize of output 78 [2018-03-29 21:08:10,335 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 49 treesize of output 66 [2018-03-29 21:08:10,335 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,445 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 54 treesize of output 59 [2018-03-29 21:08:10,445 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 69 [2018-03-29 21:08:10,550 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,651 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,656 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 1 case distinctions, treesize of input 48 treesize of output 87 [2018-03-29 21:08:10,656 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,761 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 54 treesize of output 48 [2018-03-29 21:08:10,767 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 40 [2018-03-29 21:08:10,768 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,781 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,782 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:10,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 42 [2018-03-29 21:08:10,787 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,792 INFO L267 ElimStorePlain]: Start of recursive call 49: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 47 [2018-03-29 21:08:10,868 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2018-03-29 21:08:10,869 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,876 INFO L267 ElimStorePlain]: Start of recursive call 52: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:10,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 60 [2018-03-29 21:08:11,075 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 104 DAG size of output 98 [2018-03-29 21:08:11,078 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,078 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,083 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 41 [2018-03-29 21:08:11,084 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,230 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,231 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 41 [2018-03-29 21:08:11,237 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,251 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,252 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 38 [2018-03-29 21:08:11,258 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,261 INFO L267 ElimStorePlain]: Start of recursive call 54: 10 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,265 INFO L267 ElimStorePlain]: Start of recursive call 44: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,270 INFO L267 ElimStorePlain]: Start of recursive call 29: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,296 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 95 [2018-03-29 21:08:11,358 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 11 treesize of output 10 [2018-03-29 21:08:11,359 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,374 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,394 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 4 case distinctions, treesize of input 81 treesize of output 108 [2018-03-29 21:08:11,397 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 85 treesize of output 84 [2018-03-29 21:08:11,397 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,430 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,431 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,432 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 106 [2018-03-29 21:08:11,433 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,472 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 84 treesize of output 84 [2018-03-29 21:08:11,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 62 [2018-03-29 21:08:11,475 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-03-29 21:08:11,490 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 100 [2018-03-29 21:08:11,548 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:11,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2018-03-29 21:08:11,696 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,727 INFO L267 ElimStorePlain]: Start of recursive call 63: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 90 [2018-03-29 21:08:11,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 58 [2018-03-29 21:08:11,768 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 56 [2018-03-29 21:08:11,792 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:11,826 INFO L267 ElimStorePlain]: Start of recursive call 68: 6 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:11,841 INFO L267 ElimStorePlain]: Start of recursive call 60: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:11,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 109 treesize of output 146 [2018-03-29 21:08:11,881 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,882 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,883 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:11,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 143 [2018-03-29 21:08:11,883 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:12,021 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:12,022 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:12,023 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:12,024 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:12,025 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:12,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 270 [2018-03-29 21:08:12,026 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:12,162 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 122 treesize of output 121 [2018-03-29 21:08:12,163 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:12,288 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 115 treesize of output 116 [2018-03-29 21:08:12,289 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:12,431 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:12,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 120 treesize of output 124 [2018-03-29 21:08:12,447 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:12,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 144 [2018-03-29 21:08:12,459 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 3 xjuncts. [2018-03-29 21:08:12,519 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:12,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 134 [2018-03-29 21:08:12,526 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:12,576 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 139 [2018-03-29 21:08:12,577 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:12,598 INFO L267 ElimStorePlain]: Start of recursive call 76: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:12,738 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 121 treesize of output 121 [2018-03-29 21:08:12,740 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 112 treesize of output 106 [2018-03-29 21:08:12,741 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:12,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 93 [2018-03-29 21:08:12,763 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:12,782 INFO L267 ElimStorePlain]: Start of recursive call 80: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:12,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 128 [2018-03-29 21:08:13,021 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 113 DAG size of output 109 [2018-03-29 21:08:13,023 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 106 treesize of output 70 [2018-03-29 21:08:13,023 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:13,104 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:13,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 141 [2018-03-29 21:08:13,120 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 3 xjuncts. [2018-03-29 21:08:13,249 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:13,255 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 1 case distinctions, treesize of input 96 treesize of output 134 [2018-03-29 21:08:13,256 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 2 xjuncts. [2018-03-29 21:08:13,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 95 [2018-03-29 21:08:13,294 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:13,311 INFO L267 ElimStorePlain]: Start of recursive call 83: 10 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:13,323 INFO L267 ElimStorePlain]: Start of recursive call 71: 4 dim-1 vars, 9 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:13,334 INFO L267 ElimStorePlain]: Start of recursive call 58: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:13,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:08:13,382 INFO L202 ElimStorePlain]: Needed 87 recursive calls to eliminate 8 variables, input treesize:289, output treesize:18 [2018-03-29 21:08:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:13,444 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:08:13,445 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15, 14] imperfect sequences [] total 25 [2018-03-29 21:08:13,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-03-29 21:08:13,445 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-03-29 21:08:13,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=498, Unknown=1, NotChecked=0, Total=600 [2018-03-29 21:08:13,445 INFO L87 Difference]: Start difference. First operand 711 states and 837 transitions. Second operand 25 states. [2018-03-29 21:08:14,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:08:14,917 INFO L93 Difference]: Finished difference Result 1064 states and 1214 transitions. [2018-03-29 21:08:14,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-03-29 21:08:14,917 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 58 [2018-03-29 21:08:14,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:08:14,918 INFO L225 Difference]: With dead ends: 1064 [2018-03-29 21:08:14,919 INFO L226 Difference]: Without dead ends: 941 [2018-03-29 21:08:14,920 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 89 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=402, Invalid=1577, Unknown=1, NotChecked=0, Total=1980 [2018-03-29 21:08:14,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-03-29 21:08:14,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 701. [2018-03-29 21:08:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2018-03-29 21:08:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 825 transitions. [2018-03-29 21:08:14,957 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 825 transitions. Word has length 58 [2018-03-29 21:08:14,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:08:14,957 INFO L459 AbstractCegarLoop]: Abstraction has 701 states and 825 transitions. [2018-03-29 21:08:14,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-03-29 21:08:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 825 transitions. [2018-03-29 21:08:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-03-29 21:08:14,958 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:08:14,958 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:08:14,958 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:08:14,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1416821826, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:08:14,969 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:08:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:08:14,997 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:08:15,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:08:15,014 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,022 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,022 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:08:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:15,035 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:08:15,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:15,069 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:08:15,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:08:15,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:08:15,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:08:15,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:08:15,070 INFO L87 Difference]: Start difference. First operand 701 states and 825 transitions. Second operand 6 states. [2018-03-29 21:08:15,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:08:15,340 INFO L93 Difference]: Finished difference Result 1348 states and 1593 transitions. [2018-03-29 21:08:15,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:08:15,340 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-03-29 21:08:15,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:08:15,342 INFO L225 Difference]: With dead ends: 1348 [2018-03-29 21:08:15,342 INFO L226 Difference]: Without dead ends: 1346 [2018-03-29 21:08:15,343 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:08:15,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2018-03-29 21:08:15,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 699. [2018-03-29 21:08:15,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-03-29 21:08:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 823 transitions. [2018-03-29 21:08:15,383 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 823 transitions. Word has length 59 [2018-03-29 21:08:15,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:08:15,383 INFO L459 AbstractCegarLoop]: Abstraction has 699 states and 823 transitions. [2018-03-29 21:08:15,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:08:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 823 transitions. [2018-03-29 21:08:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-03-29 21:08:15,384 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:08:15,384 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:08:15,385 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:08:15,385 INFO L82 PathProgramCache]: Analyzing trace with hash 335554922, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:08:15,393 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:08:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:08:15,431 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:08:15,441 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 [2018-03-29 21:08:15,443 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 [2018-03-29 21:08:15,443 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,455 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 [2018-03-29 21:08:15,457 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 [2018-03-29 21:08:15,457 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,459 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,465 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,465 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:28, output treesize:20 [2018-03-29 21:08:15,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:08:15,479 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:08:15,480 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,487 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:08:15,500 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-29 21:08:15,500 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,505 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,512 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-03-29 21:08:15,523 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,524 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,525 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 [2018-03-29 21:08:15,525 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,531 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,532 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:37 [2018-03-29 21:08:15,546 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 30 treesize of output 23 [2018-03-29 21:08:15,548 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,549 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,550 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 46 [2018-03-29 21:08:15,553 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,577 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 30 treesize of output 23 [2018-03-29 21:08:15,579 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,579 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,580 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,582 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 23 treesize of output 46 [2018-03-29 21:08:15,582 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,588 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,598 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,598 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:68, output treesize:48 [2018-03-29 21:08:15,628 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 73 treesize of output 67 [2018-03-29 21:08:15,630 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 14 treesize of output 13 [2018-03-29 21:08:15,630 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,637 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,652 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 40 treesize of output 41 [2018-03-29 21:08:15,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-29 21:08:15,653 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,658 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,669 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:94, output treesize:48 [2018-03-29 21:08:15,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,672 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,673 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 [2018-03-29 21:08:15,673 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,680 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,680 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:47 [2018-03-29 21:08:15,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-03-29 21:08:15,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-29 21:08:15,712 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,732 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 38 treesize of output 39 [2018-03-29 21:08:15,733 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 [2018-03-29 21:08:15,734 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,739 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,750 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:69, output treesize:47 [2018-03-29 21:08:15,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2018-03-29 21:08:15,773 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-29 21:08:15,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,780 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,794 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 40 treesize of output 41 [2018-03-29 21:08:15,803 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 [2018-03-29 21:08:15,804 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,809 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,819 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. [2018-03-29 21:08:15,819 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:93, output treesize:57 [2018-03-29 21:08:15,868 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 48 treesize of output 39 [2018-03-29 21:08:15,870 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,870 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,871 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,872 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 26 treesize of output 28 [2018-03-29 21:08:15,873 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-03-29 21:08:15,879 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,880 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-03-29 21:08:15,887 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:08:15,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-29 21:08:15,887 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,889 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:08:15,891 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:71, output treesize:7 [2018-03-29 21:08:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:15,926 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:08:20,635 WARN L148 SmtUtils]: Spent 2060ms on a formula simplification that was a NOOP. DAG size: 67 [2018-03-29 21:08:28,763 WARN L148 SmtUtils]: Spent 2033ms on a formula simplification that was a NOOP. DAG size: 68 [2018-03-29 21:08:28,768 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:28,768 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:28,769 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 296 treesize of output 287 [2018-03-29 21:08:28,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:28,816 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:28,817 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:08:28,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 296 treesize of output 287 [2018-03-29 21:08:28,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:08:28,858 INFO L267 ElimStorePlain]: Start of recursive call 1: 15 dim-0 vars, 2 dim-1 vars, End of recursive call: 15 dim-0 vars, and 2 xjuncts. [2018-03-29 21:08:28,858 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 17 variables, input treesize:593, output treesize:575 [2018-03-29 21:08:39,384 WARN L148 SmtUtils]: Spent 566ms on a formula simplification that was a NOOP. DAG size: 80 [2018-03-29 21:08:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:08:53,573 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 21:08:53,573 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 26 [2018-03-29 21:08:53,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-03-29 21:08:53,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-03-29 21:08:53,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=540, Unknown=13, NotChecked=0, Total=650 [2018-03-29 21:08:53,574 INFO L87 Difference]: Start difference. First operand 699 states and 823 transitions. Second operand 26 states. [2018-03-29 21:09:10,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:09:10,732 INFO L93 Difference]: Finished difference Result 1701 states and 1970 transitions. [2018-03-29 21:09:10,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-03-29 21:09:10,733 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 60 [2018-03-29 21:09:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:09:10,735 INFO L225 Difference]: With dead ends: 1701 [2018-03-29 21:09:10,735 INFO L226 Difference]: Without dead ends: 1105 [2018-03-29 21:09:10,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 38.1s TimeCoverageRelationStatistics Valid=450, Invalid=1343, Unknown=13, NotChecked=0, Total=1806 [2018-03-29 21:09:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2018-03-29 21:09:10,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 732. [2018-03-29 21:09:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2018-03-29 21:09:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 860 transitions. [2018-03-29 21:09:10,780 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 860 transitions. Word has length 60 [2018-03-29 21:09:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:09:10,780 INFO L459 AbstractCegarLoop]: Abstraction has 732 states and 860 transitions. [2018-03-29 21:09:10,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-03-29 21:09:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 860 transitions. [2018-03-29 21:09:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-29 21:09:10,781 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:09:10,781 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:09:10,782 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr98AssertViolationMEMORY_FREE, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr100EnsuresViolationMEMORY_LEAK, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr87RequiresViolation, mainErr97AssertViolationMEMORY_FREE, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr92AssertViolationMEMORY_FREE, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr96AssertViolationMEMORY_FREE, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr93AssertViolationMEMORY_FREE, mainErr99AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-03-29 21:09:10,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1379783242, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:09:10,790 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:09:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:09:10,825 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:09:10,847 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:09:10,848 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:09:10,849 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 [2018-03-29 21:09:10,849 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,853 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-03-29 21:09:10,865 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 [2018-03-29 21:09:10,867 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 [2018-03-29 21:09:10,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,869 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,875 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-03-29 21:09:10,900 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 34 treesize of output 28 [2018-03-29 21:09:10,902 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 [2018-03-29 21:09:10,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,906 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,912 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,912 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:19 [2018-03-29 21:09:10,914 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:09:10,915 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:09:10,915 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 [2018-03-29 21:09:10,915 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,920 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-03-29 21:09:10,956 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 22 treesize of output 23 [2018-03-29 21:09:10,959 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 [2018-03-29 21:09:10,959 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,963 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,969 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2018-03-29 21:09:10,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-03-29 21:09:10,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-29 21:09:10,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:10,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:11,001 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. [2018-03-29 21:09:11,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:52, output treesize:39 [2018-03-29 21:09:11,066 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 45 treesize of output 38 [2018-03-29 21:09:11,068 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:09:11,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-03-29 21:09:11,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:11,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2018-03-29 21:09:11,075 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:11,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:11,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:09:11,084 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:54, output treesize:5 [2018-03-29 21:09:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:09:11,105 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:09:11,161 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 [2018-03-29 21:09:11,161 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:09:11,166 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. [2018-03-29 21:09:11,166 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:24 Received shutdown request... [2018-03-29 21:09:11,307 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-03-29 21:09:11,307 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-29 21:09:11,313 WARN L197 ceAbstractionStarter]: Timeout [2018-03-29 21:09:11,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 09:09:11 BoogieIcfgContainer [2018-03-29 21:09:11,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 21:09:11,314 INFO L168 Benchmark]: Toolchain (without parser) took 142435.72 ms. Allocated memory was 299.4 MB in the beginning and 666.4 MB in the end (delta: 367.0 MB). Free memory was 236.7 MB in the beginning and 298.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 305.2 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:11,316 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 299.4 MB. Free memory is still 261.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:09:11,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.39 ms. Allocated memory is still 299.4 MB. Free memory was 236.7 MB in the beginning and 211.5 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:11,316 INFO L168 Benchmark]: Boogie Preprocessor took 65.19 ms. Allocated memory is still 299.4 MB. Free memory was 211.5 MB in the beginning and 207.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:11,316 INFO L168 Benchmark]: RCFGBuilder took 945.52 ms. Allocated memory was 299.4 MB in the beginning and 456.1 MB in the end (delta: 156.8 MB). Free memory was 207.5 MB in the beginning and 352.3 MB in the end (delta: -144.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:11,317 INFO L168 Benchmark]: TraceAbstraction took 141078.43 ms. Allocated memory was 456.1 MB in the beginning and 666.4 MB in the end (delta: 210.2 MB). Free memory was 352.3 MB in the beginning and 298.5 MB in the end (delta: 53.9 MB). Peak memory consumption was 264.1 MB. Max. memory is 5.3 GB. [2018-03-29 21:09:11,318 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 299.4 MB. Free memory is still 261.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 340.39 ms. Allocated memory is still 299.4 MB. Free memory was 236.7 MB in the beginning and 211.5 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 65.19 ms. Allocated memory is still 299.4 MB. Free memory was 211.5 MB in the beginning and 207.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 945.52 ms. Allocated memory was 299.4 MB in the beginning and 456.1 MB in the end (delta: 156.8 MB). Free memory was 207.5 MB in the beginning and 352.3 MB in the end (delta: -144.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 141078.43 ms. Allocated memory was 456.1 MB in the beginning and 666.4 MB in the end (delta: 210.2 MB). Free memory was 352.3 MB in the beginning and 298.5 MB in the end (delta: 53.9 MB). Peak memory consumption was 264.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 698]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 698). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 652]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 652). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 694]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 694). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 718]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 718). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 709]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 709). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 660]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 656]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 682]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 682). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 703]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 703). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 723]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 723). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 718]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 718). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 681). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 676]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 676). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 719]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 719). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 689). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 716). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 681). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 630]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 630). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 668]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 668). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 637). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 718]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 718). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 689). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 719]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 719). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 722). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 682]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 682). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 716). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 674]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 674). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 722). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 681). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 720). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 719]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 719). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 689). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 681). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 719]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 719). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 722). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 681). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 722). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 681). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 674]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 674). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 635]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 635). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 719]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 719). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 719]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 719). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 689). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 677). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 720). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 723]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 723). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 665]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 692]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 692). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 703]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 703). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 642]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 642). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 716). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 660]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 660). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 638]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 638). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 682]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 682). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 716). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 676]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 676). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 718]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 718). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 668]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 668). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 682]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 682). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 656]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 656). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 663). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 675]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 675). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 692]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 692). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 705]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 705). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 716). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 648]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 648). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 698]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 698). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 709]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 709). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 643]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 643). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 663]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 663). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 652]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 652). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 635]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 635). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 716). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 694]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 694). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 665]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 665). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 705]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 705). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - TimeoutResultAtElement [Line: 675]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 675). Cancelled while BasicCegarLoop was analyzing trace of length 62 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while XnfDer was eliminating 4 quantified variables from 3 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 292 locations, 101 error locations. TIMEOUT Result, 141.0s OverallTime, 44 OverallIterations, 2 TraceHistogramMax, 45.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11709 SDtfs, 40085 SDslu, 48220 SDs, 0 SdLazy, 27398 SolverSat, 1618 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 34.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3890 GetRequests, 3236 SyntacticMatches, 23 SemanticMatches, 631 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3149 ImplicationChecksByTransitivity, 76.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=751occurred in iteration=25, 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: 0.8s AutomataMinimizationTime, 43 MinimizatonAttempts, 15225 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 92.2s InterpolantComputationTime, 1828 NumberOfCodeBlocks, 1828 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 3570 ConstructedInterpolants, 411 QuantifiedInterpolants, 1998805 SizeOfPredicates, 437 NumberOfNonLiveVariables, 6368 ConjunctsInSsa, 580 ConjunctsInUnsatCore, 86 InterpolantComputations, 82 PerfectInterpolantSequences, 24/46 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_of_cslls_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_21-09-11-328.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_of_cslls_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_21-09-11-328.csv Completed graceful shutdown