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/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 22:58:00,341 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 22:58:00,343 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 22:58:00,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-09 22:58:00,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-09 22:58:00,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-09 22:58:00,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-09 22:58:00,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-09 22:58:00,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-09 22:58:00,364 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-09 22:58:00,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-09 22:58:00,365 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-09 22:58:00,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-09 22:58:00,368 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-09 22:58:00,369 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-09 22:58:00,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-09 22:58:00,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-09 22:58:00,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-09 22:58:00,376 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-09 22:58:00,377 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-09 22:58:00,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-09 22:58:00,379 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-09 22:58:00,380 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-09 22:58:00,380 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-09 22:58:00,381 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-09 22:58:00,383 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-09 22:58:00,383 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-09 22:58:00,384 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-09 22:58:00,384 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-09 22:58:00,385 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-09 22:58:00,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-09 22:58:00,385 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 [2018-04-09 22:58:00,409 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 22:58:00,409 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 22:58:00,409 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 22:58:00,410 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 22:58:00,410 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 22:58:00,410 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 22:58:00,411 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 22:58:00,411 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 22:58:00,411 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 22:58:00,411 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 22:58:00,412 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 22:58:00,412 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 22:58:00,412 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 22:58:00,412 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 22:58:00,412 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 22:58:00,413 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 22:58:00,413 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 22:58:00,413 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 22:58:00,413 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 22:58:00,413 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 22:58:00,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 22:58:00,414 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 22:58:00,414 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 22:58:00,414 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 22:58:00,414 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 22:58:00,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 22:58:00,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 22:58:00,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 22:58:00,415 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 22:58:00,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 22:58:00,416 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 22:58:00,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 22:58:00,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 22:58:00,416 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 22:58:00,417 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 22:58:00,417 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 22:58:00,417 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 22:58:00,418 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 22:58:00,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 22:58:00,463 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 22:58:00,467 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 22:58:00,468 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 22:58:00,469 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 22:58:00,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,790 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe9d39a8b3 [2018-04-09 22:58:00,953 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 22:58:00,954 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 22:58:00,954 INFO L168 CDTParser]: Scanning dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,964 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 22:58:00,964 INFO L215 ultiparseSymbolTable]: [2018-04-09 22:58:00,965 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 22:58:00,965 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,965 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 22:58:00,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__register_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__timer_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____nlink_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,965 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_once_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__off_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__idtype_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____mode_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ssize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____intptr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,966 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__id_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__gid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ssize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsword_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_short in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__nlink_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,967 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__uint in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____daddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__mode_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__SLL in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____clock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_short in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__suseconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__dev_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,968 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__time_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_int in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____loff_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blksize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____qaddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,969 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ino_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____useconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____rlim64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ushort in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ldiv_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,970 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____time_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__loff_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ulong in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_long in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,971 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__sigset_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_char in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__blkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__daddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__blksize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ino64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,972 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____off_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_long in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____dev_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____caddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fd_set in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__clock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fd_mask in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____sigset_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,973 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ino_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__clockid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____clockid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__caddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__div_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,974 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____rlim_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__uid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__size_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,975 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,976 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fd_mask in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,976 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,976 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____gid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,976 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,976 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,976 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____id_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,976 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,976 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__wchar_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____timer_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____socklen_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__lldiv_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____pid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,977 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,978 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_char in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,978 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____off64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,978 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____suseconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:00,998 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe9d39a8b3 [2018-04-09 22:58:01,003 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 22:58:01,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 22:58:01,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 22:58:01,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 22:58:01,013 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 22:58:01,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 10:58:00" (1/1) ... [2018-04-09 22:58:01,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60430825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01, skipping insertion in model container [2018-04-09 22:58:01,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 10:58:00" (1/1) ... [2018-04-09 22:58:01,030 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 22:58:01,063 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 22:58:01,227 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 22:58:01,278 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 22:58:01,287 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-09 22:58:01,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01 WrapperNode [2018-04-09 22:58:01,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 22:58:01,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 22:58:01,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 22:58:01,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 22:58:01,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (1/1) ... [2018-04-09 22:58:01,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (1/1) ... [2018-04-09 22:58:01,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (1/1) ... [2018-04-09 22:58:01,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (1/1) ... [2018-04-09 22:58:01,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (1/1) ... [2018-04-09 22:58:01,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (1/1) ... [2018-04-09 22:58:01,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (1/1) ... [2018-04-09 22:58:01,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 22:58:01,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 22:58:01,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 22:58:01,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 22:58:01,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (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 [2018-04-09 22:58:01,527 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 22:58:01,527 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 22:58:01,527 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 22:58:01,527 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 22:58:01,528 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 22:58:01,528 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 22:58:01,528 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 22:58:01,528 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 22:58:01,528 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 22:58:01,528 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 22:58:01,528 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 22:58:01,529 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 22:58:01,529 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 22:58:01,529 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 22:58:01,529 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 22:58:01,529 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 22:58:01,529 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 22:58:01,529 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 22:58:01,529 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 22:58:01,530 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 22:58:01,530 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 22:58:01,530 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 22:58:01,530 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 22:58:01,530 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 22:58:01,530 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 22:58:01,530 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 22:58:01,531 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 22:58:01,531 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 22:58:01,531 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 22:58:01,531 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 22:58:01,531 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 22:58:01,531 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 22:58:01,532 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 22:58:01,533 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 22:58:01,534 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 22:58:01,535 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 22:58:01,536 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 22:58:01,537 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 22:58:01,537 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 22:58:01,537 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 22:58:01,537 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 22:58:01,537 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 22:58:01,537 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 22:58:01,537 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 22:58:01,537 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 22:58:01,538 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 22:58:01,538 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 22:58:01,538 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 22:58:01,538 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 22:58:01,538 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 22:58:01,538 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 22:58:01,538 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 22:58:01,539 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-09 22:58:01,540 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 22:58:01,540 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-09 22:58:01,540 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 22:58:01,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 22:58:01,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 22:58:01,540 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 22:58:01,540 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 22:58:02,090 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 22:58:02,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 10:58:02 BoogieIcfgContainer [2018-04-09 22:58:02,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 22:58:02,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 22:58:02,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 22:58:02,093 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 22:58:02,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 10:58:00" (1/3) ... [2018-04-09 22:58:02,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf3cbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 10:58:02, skipping insertion in model container [2018-04-09 22:58:02,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 10:58:01" (2/3) ... [2018-04-09 22:58:02,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf3cbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 10:58:02, skipping insertion in model container [2018-04-09 22:58:02,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 10:58:02" (3/3) ... [2018-04-09 22:58:02,096 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-09 22:58:02,103 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 22:58:02,109 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-04-09 22:58:02,147 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 22:58:02,148 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 22:58:02,148 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 22:58:02,148 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 22:58:02,148 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 22:58:02,148 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 22:58:02,148 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 22:58:02,148 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 22:58:02,149 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 22:58:02,149 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 22:58:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-04-09 22:58:02,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-09 22:58:02,170 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:02,171 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:02,171 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:02,175 INFO L82 PathProgramCache]: Analyzing trace with hash -71447909, 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 [2018-04-09 22:58:02,188 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:02,225 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:02,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 22:58:02,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:02,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:02,276 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 22:58:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:02,304 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:02,332 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:02,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 22:58:02,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 22:58:02,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 22:58:02,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 22:58:02,345 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 4 states. [2018-04-09 22:58:02,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:02,642 INFO L93 Difference]: Finished difference Result 345 states and 396 transitions. [2018-04-09 22:58:02,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 22:58:02,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-09 22:58:02,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:02,657 INFO L225 Difference]: With dead ends: 345 [2018-04-09 22:58:02,657 INFO L226 Difference]: Without dead ends: 181 [2018-04-09 22:58:02,662 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 22:58:02,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-04-09 22:58:02,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 148. [2018-04-09 22:58:02,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-09 22:58:02,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 150 transitions. [2018-04-09 22:58:02,709 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 150 transitions. Word has length 9 [2018-04-09 22:58:02,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:02,710 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 150 transitions. [2018-04-09 22:58:02,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 22:58:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 150 transitions. [2018-04-09 22:58:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-09 22:58:02,711 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:02,711 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:02,711 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:02,711 INFO L82 PathProgramCache]: Analyzing trace with hash -71447908, 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 [2018-04-09 22:58:02,719 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:02,734 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:02,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 22:58:02,748 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:02,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:02,776 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 22:58:02,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:02,788 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:02,826 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:02,827 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-09 22:58:02,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 22:58:02,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 22:58:02,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 22:58:02,828 INFO L87 Difference]: Start difference. First operand 148 states and 150 transitions. Second operand 6 states. [2018-04-09 22:58:03,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:03,004 INFO L93 Difference]: Finished difference Result 180 states and 182 transitions. [2018-04-09 22:58:03,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 22:58:03,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-09 22:58:03,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:03,007 INFO L225 Difference]: With dead ends: 180 [2018-04-09 22:58:03,007 INFO L226 Difference]: Without dead ends: 177 [2018-04-09 22:58:03,008 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-09 22:58:03,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-04-09 22:58:03,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 145. [2018-04-09 22:58:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-04-09 22:58:03,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 147 transitions. [2018-04-09 22:58:03,020 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 147 transitions. Word has length 9 [2018-04-09 22:58:03,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:03,021 INFO L459 AbstractCegarLoop]: Abstraction has 145 states and 147 transitions. [2018-04-09 22:58:03,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 22:58:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 147 transitions. [2018-04-09 22:58:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-09 22:58:03,022 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:03,022 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:03,022 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:03,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1118342126, 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 [2018-04-09 22:58:03,030 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:03,048 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:03,067 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:03,093 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:03,093 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 22:58:03,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 22:58:03,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 22:58:03,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 22:58:03,094 INFO L87 Difference]: Start difference. First operand 145 states and 147 transitions. Second operand 4 states. [2018-04-09 22:58:03,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:03,336 INFO L93 Difference]: Finished difference Result 170 states and 175 transitions. [2018-04-09 22:58:03,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 22:58:03,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-04-09 22:58:03,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:03,338 INFO L225 Difference]: With dead ends: 170 [2018-04-09 22:58:03,338 INFO L226 Difference]: Without dead ends: 153 [2018-04-09 22:58:03,338 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 22:58:03,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-04-09 22:58:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 134. [2018-04-09 22:58:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-09 22:58:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 138 transitions. [2018-04-09 22:58:03,348 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 138 transitions. Word has length 17 [2018-04-09 22:58:03,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:03,348 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 138 transitions. [2018-04-09 22:58:03,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 22:58:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2018-04-09 22:58:03,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-09 22:58:03,349 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:03,349 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:03,349 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:03,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1118342125, 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 [2018-04-09 22:58:03,360 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:03,373 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:03,409 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:03,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:03,451 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:03,451 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 22:58:03,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 22:58:03,452 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 22:58:03,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 22:58:03,452 INFO L87 Difference]: Start difference. First operand 134 states and 138 transitions. Second operand 4 states. [2018-04-09 22:58:03,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:03,569 INFO L93 Difference]: Finished difference Result 168 states and 174 transitions. [2018-04-09 22:58:03,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 22:58:03,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-04-09 22:58:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:03,570 INFO L225 Difference]: With dead ends: 168 [2018-04-09 22:58:03,571 INFO L226 Difference]: Without dead ends: 164 [2018-04-09 22:58:03,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 22:58:03,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-04-09 22:58:03,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2018-04-09 22:58:03,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-04-09 22:58:03,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 134 transitions. [2018-04-09 22:58:03,583 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 134 transitions. Word has length 17 [2018-04-09 22:58:03,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:03,583 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 134 transitions. [2018-04-09 22:58:03,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 22:58:03,583 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2018-04-09 22:58:03,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-09 22:58:03,584 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:03,584 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:03,584 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:03,584 INFO L82 PathProgramCache]: Analyzing trace with hash -308776553, 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 [2018-04-09 22:58:03,600 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:03,614 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:03,647 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:03,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-09 22:58:03,650 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:03,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:03,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:03,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 22:58:03,662 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:03,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:03,670 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-04-09 22:58:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:03,690 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:03,836 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:03,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-09 22:58:03,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 22:58:03,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 22:58:03,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-09 22:58:03,837 INFO L87 Difference]: Start difference. First operand 130 states and 134 transitions. Second operand 8 states. [2018-04-09 22:58:04,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:04,071 INFO L93 Difference]: Finished difference Result 203 states and 212 transitions. [2018-04-09 22:58:04,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 22:58:04,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-09 22:58:04,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:04,072 INFO L225 Difference]: With dead ends: 203 [2018-04-09 22:58:04,072 INFO L226 Difference]: Without dead ends: 193 [2018-04-09 22:58:04,073 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-04-09 22:58:04,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-09 22:58:04,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 162. [2018-04-09 22:58:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-09 22:58:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 169 transitions. [2018-04-09 22:58:04,081 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 169 transitions. Word has length 18 [2018-04-09 22:58:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:04,081 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 169 transitions. [2018-04-09 22:58:04,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 22:58:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2018-04-09 22:58:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 22:58:04,082 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:04,082 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] [2018-04-09 22:58:04,082 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:04,082 INFO L82 PathProgramCache]: Analyzing trace with hash -381524903, 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 [2018-04-09 22:58:04,094 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:04,110 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:04,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 22:58:04,117 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,118 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 22:58:04,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:04,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:04,127 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,129 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,132 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-09 22:58:04,137 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 17 treesize of output 13 [2018-04-09 22:58:04,138 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 13 treesize of output 5 [2018-04-09 22:58:04,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,140 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,141 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-09 22:58:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:04,147 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:04,185 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:04,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 22:58:04,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 22:58:04,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 22:58:04,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 22:58:04,186 INFO L87 Difference]: Start difference. First operand 162 states and 169 transitions. Second operand 5 states. [2018-04-09 22:58:04,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:04,344 INFO L93 Difference]: Finished difference Result 251 states and 262 transitions. [2018-04-09 22:58:04,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 22:58:04,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-09 22:58:04,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:04,345 INFO L225 Difference]: With dead ends: 251 [2018-04-09 22:58:04,345 INFO L226 Difference]: Without dead ends: 250 [2018-04-09 22:58:04,345 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-09 22:58:04,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-04-09 22:58:04,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 161. [2018-04-09 22:58:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-04-09 22:58:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 168 transitions. [2018-04-09 22:58:04,356 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 168 transitions. Word has length 20 [2018-04-09 22:58:04,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:04,357 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 168 transitions. [2018-04-09 22:58:04,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 22:58:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 168 transitions. [2018-04-09 22:58:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 22:58:04,357 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:04,358 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] [2018-04-09 22:58:04,358 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:04,358 INFO L82 PathProgramCache]: Analyzing trace with hash -381524902, 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 [2018-04-09 22:58:04,363 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:04,376 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:04,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 22:58:04,379 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,385 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 22:58:04,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:04,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:04,415 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,416 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:04,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:04,423 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,424 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,428 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-09 22:58:04,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-09 22:58:04,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-09 22:58:04,438 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,439 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 22:58:04,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 22:58:04,446 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,447 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,450 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-09 22:58:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:04,455 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:04,502 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:04,503 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-09 22:58:04,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 22:58:04,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 22:58:04,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-09 22:58:04,503 INFO L87 Difference]: Start difference. First operand 161 states and 168 transitions. Second operand 8 states. [2018-04-09 22:58:04,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:04,799 INFO L93 Difference]: Finished difference Result 275 states and 287 transitions. [2018-04-09 22:58:04,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 22:58:04,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-04-09 22:58:04,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:04,801 INFO L225 Difference]: With dead ends: 275 [2018-04-09 22:58:04,801 INFO L226 Difference]: Without dead ends: 274 [2018-04-09 22:58:04,801 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-04-09 22:58:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-04-09 22:58:04,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 160. [2018-04-09 22:58:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-09 22:58:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 167 transitions. [2018-04-09 22:58:04,811 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 167 transitions. Word has length 20 [2018-04-09 22:58:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:04,811 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 167 transitions. [2018-04-09 22:58:04,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 22:58:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 167 transitions. [2018-04-09 22:58:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-09 22:58:04,812 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:04,812 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:04,812 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:04,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1651582506, 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 [2018-04-09 22:58:04,819 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:04,833 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:04,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 22:58:04,837 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,838 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 22:58:04,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:04,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:04,848 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,850 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,853 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,853 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-09 22:58:04,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-09 22:58:04,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-09 22:58:04,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,861 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:04,862 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-09 22:58:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:04,867 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:04,893 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:04,893 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 22:58:04,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 22:58:04,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 22:58:04,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 22:58:04,894 INFO L87 Difference]: Start difference. First operand 160 states and 167 transitions. Second operand 5 states. [2018-04-09 22:58:05,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:05,037 INFO L93 Difference]: Finished difference Result 172 states and 178 transitions. [2018-04-09 22:58:05,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 22:58:05,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-09 22:58:05,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:05,038 INFO L225 Difference]: With dead ends: 172 [2018-04-09 22:58:05,038 INFO L226 Difference]: Without dead ends: 171 [2018-04-09 22:58:05,039 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-09 22:58:05,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-04-09 22:58:05,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 159. [2018-04-09 22:58:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-04-09 22:58:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 166 transitions. [2018-04-09 22:58:05,048 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 166 transitions. Word has length 21 [2018-04-09 22:58:05,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:05,048 INFO L459 AbstractCegarLoop]: Abstraction has 159 states and 166 transitions. [2018-04-09 22:58:05,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 22:58:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2018-04-09 22:58:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-09 22:58:05,049 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:05,049 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:05,049 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:05,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1651582505, 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 [2018-04-09 22:58:05,065 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:05,084 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:05,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 22:58:05,092 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,096 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 22:58:05,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:05,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:05,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,110 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:05,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:05,119 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,120 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,124 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-09 22:58:05,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-09 22:58:05,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-09 22:58:05,136 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 22:58:05,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 22:58:05,146 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,148 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,151 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,151 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-09 22:58:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:05,157 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:05,227 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:05,228 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-09 22:58:05,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 22:58:05,228 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 22:58:05,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-09 22:58:05,229 INFO L87 Difference]: Start difference. First operand 159 states and 166 transitions. Second operand 8 states. [2018-04-09 22:58:05,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:05,423 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2018-04-09 22:58:05,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 22:58:05,423 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-04-09 22:58:05,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:05,424 INFO L225 Difference]: With dead ends: 159 [2018-04-09 22:58:05,424 INFO L226 Difference]: Without dead ends: 158 [2018-04-09 22:58:05,425 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-04-09 22:58:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-04-09 22:58:05,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-04-09 22:58:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-09 22:58:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 165 transitions. [2018-04-09 22:58:05,431 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 165 transitions. Word has length 21 [2018-04-09 22:58:05,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:05,431 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 165 transitions. [2018-04-09 22:58:05,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 22:58:05,431 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 165 transitions. [2018-04-09 22:58:05,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-09 22:58:05,432 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:05,432 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] [2018-04-09 22:58:05,432 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:05,432 INFO L82 PathProgramCache]: Analyzing trace with hash 850958401, 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 [2018-04-09 22:58:05,438 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:05,455 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:05,502 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:05,502 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:05,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 22:58:05,504 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,513 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-04-09 22:58:05,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:05,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:05,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,525 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,530 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,531 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-09 22:58:05,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-04-09 22:58:05,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-09 22:58:05,556 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,565 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:05,566 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-09 22:58:05,581 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 38 treesize of output 26 [2018-04-09 22:58:05,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-04-09 22:58:05,584 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,592 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 22:58:05,592 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,596 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:05,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:05,600 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:43, output treesize:15 [2018-04-09 22:58:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:05,608 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:05,666 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:05,667 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 11 [2018-04-09 22:58:05,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 22:58:05,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 22:58:05,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-04-09 22:58:05,667 INFO L87 Difference]: Start difference. First operand 158 states and 165 transitions. Second operand 12 states. [2018-04-09 22:58:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:05,949 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2018-04-09 22:58:05,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 22:58:05,949 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-04-09 22:58:05,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:05,950 INFO L225 Difference]: With dead ends: 170 [2018-04-09 22:58:05,950 INFO L226 Difference]: Without dead ends: 169 [2018-04-09 22:58:05,951 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2018-04-09 22:58:05,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-04-09 22:58:05,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 157. [2018-04-09 22:58:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-09 22:58:05,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-04-09 22:58:05,959 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 24 [2018-04-09 22:58:05,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:05,959 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 164 transitions. [2018-04-09 22:58:05,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 22:58:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2018-04-09 22:58:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-09 22:58:05,960 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:05,960 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] [2018-04-09 22:58:05,961 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:05,961 INFO L82 PathProgramCache]: Analyzing trace with hash 850958402, 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 [2018-04-09 22:58:05,968 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:05,986 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:06,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:06,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:06,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 22:58:06,001 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 22:58:06,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,010 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,011 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-09 22:58:06,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:06,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:06,036 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,038 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:06,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:06,052 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,054 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,060 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,061 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2018-04-09 22:58:06,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-09 22:58:06,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-09 22:58:06,102 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,107 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-04-09 22:58:06,128 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-09 22:58:06,128 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,135 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,142 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:06,142 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:51 [2018-04-09 22:58:06,206 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 51 treesize of output 37 [2018-04-09 22:58:06,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 22:58:06,208 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,215 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 30 treesize of output 19 [2018-04-09 22:58:06,216 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,227 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 24 treesize of output 22 [2018-04-09 22:58:06,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 22:58:06,229 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 22:58:06,233 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,234 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,238 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:65, output treesize:9 [2018-04-09 22:58:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:06,245 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:06,355 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 67 treesize of output 61 [2018-04-09 22:58:06,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:06,381 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,386 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 50 treesize of output 46 [2018-04-09 22:58:06,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-04-09 22:58:06,388 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,389 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,397 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 31 [2018-04-09 22:58:06,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:06,411 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-09 22:58:06,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 7 [2018-04-09 22:58:06,425 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,426 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,428 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 17 [2018-04-09 22:58:06,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-04-09 22:58:06,430 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,433 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,444 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 22:58:06,465 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 35 treesize of output 29 [2018-04-09 22:58:06,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-04-09 22:58:06,481 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,495 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 17 [2018-04-09 22:58:06,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-04-09 22:58:06,513 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,528 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,530 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 18 treesize of output 14 [2018-04-09 22:58:06,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 5 [2018-04-09 22:58:06,533 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,534 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:06,545 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 22:58:06,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-09 22:58:06,571 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 7 variables, input treesize:103, output treesize:37 [2018-04-09 22:58:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:06,621 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:06,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2018-04-09 22:58:06,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 22:58:06,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 22:58:06,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-04-09 22:58:06,622 INFO L87 Difference]: Start difference. First operand 157 states and 164 transitions. Second operand 14 states. [2018-04-09 22:58:06,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:06,932 INFO L93 Difference]: Finished difference Result 157 states and 164 transitions. [2018-04-09 22:58:06,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 22:58:06,933 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-04-09 22:58:06,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:06,933 INFO L225 Difference]: With dead ends: 157 [2018-04-09 22:58:06,933 INFO L226 Difference]: Without dead ends: 156 [2018-04-09 22:58:06,934 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-04-09 22:58:06,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-04-09 22:58:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-04-09 22:58:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-09 22:58:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 163 transitions. [2018-04-09 22:58:06,941 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 163 transitions. Word has length 24 [2018-04-09 22:58:06,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:06,941 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 163 transitions. [2018-04-09 22:58:06,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 22:58:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 163 transitions. [2018-04-09 22:58:06,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-09 22:58:06,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:06,942 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] [2018-04-09 22:58:06,942 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:06,942 INFO L82 PathProgramCache]: Analyzing trace with hash -856658605, 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 [2018-04-09 22:58:06,952 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:06,972 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:07,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:07,004 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:07,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 22:58:07,005 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,024 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-04-09 22:58:07,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:07,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:07,081 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,083 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,088 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-09 22:58:07,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 35 [2018-04-09 22:58:07,117 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 [2018-04-09 22:58:07,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:07,128 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-09 22:58:07,186 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 38 treesize of output 26 [2018-04-09 22:58:07,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-04-09 22:58:07,189 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 22:58:07,194 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,199 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:07,203 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:43, output treesize:15 [2018-04-09 22:58:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:07,225 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:07,293 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:07,293 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-09 22:58:07,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 22:58:07,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 22:58:07,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-09 22:58:07,294 INFO L87 Difference]: Start difference. First operand 156 states and 163 transitions. Second operand 14 states. [2018-04-09 22:58:07,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:07,830 INFO L93 Difference]: Finished difference Result 253 states and 261 transitions. [2018-04-09 22:58:07,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-09 22:58:07,830 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 25 [2018-04-09 22:58:07,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:07,832 INFO L225 Difference]: With dead ends: 253 [2018-04-09 22:58:07,832 INFO L226 Difference]: Without dead ends: 252 [2018-04-09 22:58:07,833 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2018-04-09 22:58:07,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-04-09 22:58:07,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 155. [2018-04-09 22:58:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-04-09 22:58:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 162 transitions. [2018-04-09 22:58:07,843 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 162 transitions. Word has length 25 [2018-04-09 22:58:07,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:07,843 INFO L459 AbstractCegarLoop]: Abstraction has 155 states and 162 transitions. [2018-04-09 22:58:07,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 22:58:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 162 transitions. [2018-04-09 22:58:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-09 22:58:07,844 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:07,844 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] [2018-04-09 22:58:07,844 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:07,845 INFO L82 PathProgramCache]: Analyzing trace with hash -856658604, 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 [2018-04-09 22:58:07,853 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:07,870 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:07,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 22:58:07,877 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,884 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:07,885 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:07,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 22:58:07,886 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,889 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-09 22:58:07,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:07,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:07,901 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:07,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:07,913 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,914 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,919 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2018-04-09 22:58:07,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-09 22:58:07,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-09 22:58:07,942 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,946 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,956 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2018-04-09 22:58:07,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-09 22:58:07,958 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,963 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:07,969 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:51 [2018-04-09 22:58:07,985 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 51 treesize of output 37 [2018-04-09 22:58:07,987 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 30 treesize of output 19 [2018-04-09 22:58:07,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 22:58:07,994 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:07,998 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,004 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 24 treesize of output 22 [2018-04-09 22:58:08,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 22:58:08,006 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 22:58:08,011 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,012 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,015 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:65, output treesize:9 [2018-04-09 22:58:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:08,033 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:08,147 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 67 treesize of output 61 [2018-04-09 22:58:08,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:08,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,173 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 50 treesize of output 46 [2018-04-09 22:58:08,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 37 [2018-04-09 22:58:08,175 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,177 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,185 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 37 treesize of output 31 [2018-04-09 22:58:08,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:08,209 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-04-09 22:58:08,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 7 [2018-04-09 22:58:08,226 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,228 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,229 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 17 [2018-04-09 22:58:08,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-04-09 22:58:08,231 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,233 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,243 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 22:58:08,260 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 35 treesize of output 29 [2018-04-09 22:58:08,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:08,272 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,282 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 18 treesize of output 14 [2018-04-09 22:58:08,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 5 [2018-04-09 22:58:08,284 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,286 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,287 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 17 [2018-04-09 22:58:08,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-09 22:58:08,288 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,291 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,299 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 22:58:08,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-09 22:58:08,323 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 7 variables, input treesize:103, output treesize:37 [2018-04-09 22:58:08,360 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 22:58:08,360 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:08,361 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:1 [2018-04-09 22:58:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:08,383 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:08,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2018-04-09 22:58:08,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-09 22:58:08,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-09 22:58:08,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-04-09 22:58:08,384 INFO L87 Difference]: Start difference. First operand 155 states and 162 transitions. Second operand 18 states. [2018-04-09 22:58:08,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:08,950 INFO L93 Difference]: Finished difference Result 174 states and 179 transitions. [2018-04-09 22:58:08,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-09 22:58:08,950 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 25 [2018-04-09 22:58:08,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:08,951 INFO L225 Difference]: With dead ends: 174 [2018-04-09 22:58:08,951 INFO L226 Difference]: Without dead ends: 171 [2018-04-09 22:58:08,952 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=926, Unknown=0, NotChecked=0, Total=1260 [2018-04-09 22:58:08,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-04-09 22:58:08,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 142. [2018-04-09 22:58:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-04-09 22:58:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 148 transitions. [2018-04-09 22:58:08,961 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 148 transitions. Word has length 25 [2018-04-09 22:58:08,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:08,961 INFO L459 AbstractCegarLoop]: Abstraction has 142 states and 148 transitions. [2018-04-09 22:58:08,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-09 22:58:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 148 transitions. [2018-04-09 22:58:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-09 22:58:08,962 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:08,962 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] [2018-04-09 22:58:08,962 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:08,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2083654693, 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 [2018-04-09 22:58:08,969 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:08,985 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:09,007 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:09,008 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 [2018-04-09 22:58:09,008 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,017 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:09,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:09,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 22:58:09,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,024 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-04-09 22:58:09,036 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:09,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:09,038 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:34 [2018-04-09 22:58:09,063 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 18 treesize of output 14 [2018-04-09 22:58:09,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-09 22:58:09,066 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:09,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:09,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:09,075 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:18 [2018-04-09 22:58:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:09,104 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:09,183 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:09,184 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:09,184 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 23 treesize of output 14 [2018-04-09 22:58:09,184 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,205 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:09,205 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:09,205 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 25 treesize of output 16 [2018-04-09 22:58:09,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,207 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:09,207 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:09,207 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 28 treesize of output 19 [2018-04-09 22:58:09,208 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-04-09 22:58:09,223 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,237 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 16 treesize of output 14 [2018-04-09 22:58:09,237 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2018-04-09 22:58:09,242 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:09,252 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 22:58:09,252 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:52, output treesize:12 [2018-04-09 22:58:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:09,308 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:09,308 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2018-04-09 22:58:09,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-09 22:58:09,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-09 22:58:09,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2018-04-09 22:58:09,309 INFO L87 Difference]: Start difference. First operand 142 states and 148 transitions. Second operand 18 states. [2018-04-09 22:58:09,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:09,881 INFO L93 Difference]: Finished difference Result 300 states and 308 transitions. [2018-04-09 22:58:09,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-09 22:58:09,881 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 31 [2018-04-09 22:58:09,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:09,882 INFO L225 Difference]: With dead ends: 300 [2018-04-09 22:58:09,882 INFO L226 Difference]: Without dead ends: 296 [2018-04-09 22:58:09,883 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=364, Invalid=758, Unknown=0, NotChecked=0, Total=1122 [2018-04-09 22:58:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-04-09 22:58:09,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 224. [2018-04-09 22:58:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-04-09 22:58:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2018-04-09 22:58:09,892 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 31 [2018-04-09 22:58:09,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:09,892 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2018-04-09 22:58:09,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-09 22:58:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2018-04-09 22:58:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-09 22:58:09,894 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:09,894 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] [2018-04-09 22:58:09,894 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:09,894 INFO L82 PathProgramCache]: Analyzing trace with hash 86982863, 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 [2018-04-09 22:58:09,903 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:09,923 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:09,943 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 17 treesize of output 13 [2018-04-09 22:58:09,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-09 22:58:09,945 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,946 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-09 22:58:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:09,957 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:09,961 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 [2018-04-09 22:58:09,961 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,962 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-09 22:58:09,968 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 11 treesize of output 16 [2018-04-09 22:58:09,969 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 11 treesize of output 9 [2018-04-09 22:58:09,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-09 22:58:09,975 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:09,977 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:09,980 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:09,980 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-09 22:58:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:10,018 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:10,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-09 22:58:10,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 22:58:10,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 22:58:10,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-09 22:58:10,019 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 8 states. [2018-04-09 22:58:10,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:10,336 INFO L93 Difference]: Finished difference Result 265 states and 272 transitions. [2018-04-09 22:58:10,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-09 22:58:10,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2018-04-09 22:58:10,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:10,338 INFO L225 Difference]: With dead ends: 265 [2018-04-09 22:58:10,338 INFO L226 Difference]: Without dead ends: 264 [2018-04-09 22:58:10,338 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-04-09 22:58:10,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-04-09 22:58:10,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 228. [2018-04-09 22:58:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-09 22:58:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 245 transitions. [2018-04-09 22:58:10,347 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 245 transitions. Word has length 43 [2018-04-09 22:58:10,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:10,347 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 245 transitions. [2018-04-09 22:58:10,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 22:58:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 245 transitions. [2018-04-09 22:58:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-09 22:58:10,349 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:10,349 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] [2018-04-09 22:58:10,349 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:10,349 INFO L82 PathProgramCache]: Analyzing trace with hash 86982864, 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 [2018-04-09 22:58:10,359 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:10,386 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:10,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-09 22:58:10,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-04-09 22:58:10,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,434 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,443 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 28 treesize of output 22 [2018-04-09 22:58:10,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2018-04-09 22:58:10,445 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,449 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,453 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:13 [2018-04-09 22:58:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:10,483 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:10,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 24 treesize of output 22 [2018-04-09 22:58:10,489 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,503 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 30 treesize of output 34 [2018-04-09 22:58:10,503 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:10,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 22:58:10,513 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:47 [2018-04-09 22:58:10,546 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 21 treesize of output 25 [2018-04-09 22:58:10,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 18 [2018-04-09 22:58:10,549 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-04-09 22:58:10,564 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,571 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:10,587 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 13 treesize of output 11 [2018-04-09 22:58:10,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 5 [2018-04-09 22:58:10,588 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,593 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,607 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 13 treesize of output 11 [2018-04-09 22:58:10,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-09 22:58:10,609 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,622 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:10,699 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:10,699 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:64, output treesize:7 [2018-04-09 22:58:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:10,740 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:10,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2018-04-09 22:58:10,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 22:58:10,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 22:58:10,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-09 22:58:10,741 INFO L87 Difference]: Start difference. First operand 228 states and 245 transitions. Second operand 9 states. [2018-04-09 22:58:11,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:11,522 INFO L93 Difference]: Finished difference Result 299 states and 305 transitions. [2018-04-09 22:58:11,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-09 22:58:11,522 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-04-09 22:58:11,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:11,524 INFO L225 Difference]: With dead ends: 299 [2018-04-09 22:58:11,524 INFO L226 Difference]: Without dead ends: 298 [2018-04-09 22:58:11,524 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-04-09 22:58:11,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-09 22:58:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 228. [2018-04-09 22:58:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-09 22:58:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 244 transitions. [2018-04-09 22:58:11,539 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 244 transitions. Word has length 43 [2018-04-09 22:58:11,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:11,539 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 244 transitions. [2018-04-09 22:58:11,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 22:58:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 244 transitions. [2018-04-09 22:58:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-09 22:58:11,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:11,541 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] [2018-04-09 22:58:11,541 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:11,541 INFO L82 PathProgramCache]: Analyzing trace with hash 519364688, 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 [2018-04-09 22:58:11,553 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:11,577 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:11,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-09 22:58:11,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-09 22:58:11,609 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:11,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:11,611 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:11,611 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-09 22:58:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:11,628 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:11,634 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 [2018-04-09 22:58:11,634 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:11,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:11,636 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-09 22:58:11,644 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 11 treesize of output 16 [2018-04-09 22:58:11,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-09 22:58:11,647 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:11,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-09 22:58:11,656 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:11,660 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:11,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:11,663 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-09 22:58:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:11,713 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 22:58:11,713 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-04-09 22:58:11,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 22:58:11,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 22:58:11,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-09 22:58:11,714 INFO L87 Difference]: Start difference. First operand 228 states and 244 transitions. Second operand 8 states. [2018-04-09 22:58:12,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:12,108 INFO L93 Difference]: Finished difference Result 268 states and 275 transitions. [2018-04-09 22:58:12,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-09 22:58:12,137 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2018-04-09 22:58:12,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:12,138 INFO L225 Difference]: With dead ends: 268 [2018-04-09 22:58:12,138 INFO L226 Difference]: Without dead ends: 267 [2018-04-09 22:58:12,139 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-04-09 22:58:12,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-04-09 22:58:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 232. [2018-04-09 22:58:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-09 22:58:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 249 transitions. [2018-04-09 22:58:12,153 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 249 transitions. Word has length 43 [2018-04-09 22:58:12,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:12,153 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 249 transitions. [2018-04-09 22:58:12,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 22:58:12,153 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 249 transitions. [2018-04-09 22:58:12,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-09 22:58:12,154 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:12,154 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] [2018-04-09 22:58:12,154 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:12,155 INFO L82 PathProgramCache]: Analyzing trace with hash 519364689, 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 [2018-04-09 22:58:12,163 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:12,188 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:12,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-09 22:58:12,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-04-09 22:58:12,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,236 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,244 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 28 treesize of output 22 [2018-04-09 22:58:12,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 13 [2018-04-09 22:58:12,247 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,258 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,262 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:13 [2018-04-09 22:58:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:12,288 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:12,307 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-09 22:58:12,308 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,328 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 30 treesize of output 34 [2018-04-09 22:58:12,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:12,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 22:58:12,343 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:47 [2018-04-09 22:58:12,388 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 19 treesize of output 23 [2018-04-09 22:58:12,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 18 treesize of output 16 [2018-04-09 22:58:12,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 9 [2018-04-09 22:58:12,403 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,410 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:12,411 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:12,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-04-09 22:58:12,412 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,420 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:12,435 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:12,435 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:64, output treesize:7 [2018-04-09 22:58:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:12,480 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 22:58:12,480 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-04-09 22:58:12,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 22:58:12,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 22:58:12,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-09 22:58:12,481 INFO L87 Difference]: Start difference. First operand 232 states and 249 transitions. Second operand 9 states. [2018-04-09 22:58:12,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:12,916 INFO L93 Difference]: Finished difference Result 302 states and 308 transitions. [2018-04-09 22:58:12,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-09 22:58:12,917 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-04-09 22:58:12,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:12,918 INFO L225 Difference]: With dead ends: 302 [2018-04-09 22:58:12,919 INFO L226 Difference]: Without dead ends: 301 [2018-04-09 22:58:12,919 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-04-09 22:58:12,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-04-09 22:58:12,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 232. [2018-04-09 22:58:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-09 22:58:12,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 248 transitions. [2018-04-09 22:58:12,932 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 248 transitions. Word has length 43 [2018-04-09 22:58:12,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:12,933 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 248 transitions. [2018-04-09 22:58:12,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 22:58:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 248 transitions. [2018-04-09 22:58:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-09 22:58:12,933 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:12,934 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] [2018-04-09 22:58:12,934 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:12,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1183318758, 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 [2018-04-09 22:58:12,943 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:12,970 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:12,985 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 25 treesize of output 18 [2018-04-09 22:58:12,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-09 22:58:12,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:12,991 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2018-04-09 22:58:13,006 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 25 treesize of output 21 [2018-04-09 22:58:13,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-04-09 22:58:13,008 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,015 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 [2018-04-09 22:58:13,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 9 [2018-04-09 22:58:13,029 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,030 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,032 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,032 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:32, output treesize:9 [2018-04-09 22:58:13,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 22:58:13,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-09 22:58:13,052 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,054 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,055 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-09 22:58:13,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:13,070 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:13,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-09 22:58:13,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-04-09 22:58:13,142 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,143 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,144 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 26 treesize of output 20 [2018-04-09 22:58:13,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 1 [2018-04-09 22:58:13,146 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,147 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:13,150 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:28, output treesize:15 [2018-04-09 22:58:13,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-04-09 22:58:13,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-09 22:58:13,161 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-09 22:58:13,165 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,170 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:13,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:13,175 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:23, output treesize:7 [2018-04-09 22:58:13,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:13,213 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 22:58:13,213 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2018-04-09 22:58:13,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 22:58:13,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 22:58:13,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-04-09 22:58:13,214 INFO L87 Difference]: Start difference. First operand 232 states and 248 transitions. Second operand 14 states. [2018-04-09 22:58:13,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:13,712 INFO L93 Difference]: Finished difference Result 387 states and 397 transitions. [2018-04-09 22:58:13,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-09 22:58:13,712 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2018-04-09 22:58:13,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:13,713 INFO L225 Difference]: With dead ends: 387 [2018-04-09 22:58:13,713 INFO L226 Difference]: Without dead ends: 311 [2018-04-09 22:58:13,714 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2018-04-09 22:58:13,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-04-09 22:58:13,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 233. [2018-04-09 22:58:13,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-04-09 22:58:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 249 transitions. [2018-04-09 22:58:13,722 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 249 transitions. Word has length 51 [2018-04-09 22:58:13,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:13,723 INFO L459 AbstractCegarLoop]: Abstraction has 233 states and 249 transitions. [2018-04-09 22:58:13,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 22:58:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 249 transitions. [2018-04-09 22:58:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-09 22:58:13,723 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:13,724 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:13,724 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:13,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1495568858, 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 [2018-04-09 22:58:13,738 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:13,759 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:13,884 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 25 treesize of output 18 [2018-04-09 22:58:13,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-09 22:58:13,886 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,887 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,888 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2018-04-09 22:58:13,902 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 25 treesize of output 21 [2018-04-09 22:58:13,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-04-09 22:58:13,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,906 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,910 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 [2018-04-09 22:58:13,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 9 [2018-04-09 22:58:13,912 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,913 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,914 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:32, output treesize:9 [2018-04-09 22:58:13,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 22:58:13,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-09 22:58:13,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,931 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,932 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:13,932 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-09 22:58:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:13,943 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:14,011 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 26 treesize of output 20 [2018-04-09 22:58:14,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-04-09 22:58:14,013 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-09 22:58:14,018 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-04-09 22:58:14,018 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,020 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:14,024 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:28, output treesize:15 [2018-04-09 22:58:14,033 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 11 treesize of output 16 [2018-04-09 22:58:14,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-09 22:58:14,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-09 22:58:14,041 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:14,051 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:14,052 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:23, output treesize:7 [2018-04-09 22:58:14,061 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:14,093 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 22:58:14,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2018-04-09 22:58:14,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 22:58:14,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 22:58:14,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-04-09 22:58:14,095 INFO L87 Difference]: Start difference. First operand 233 states and 249 transitions. Second operand 14 states. [2018-04-09 22:58:14,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:14,467 INFO L93 Difference]: Finished difference Result 364 states and 373 transitions. [2018-04-09 22:58:14,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 22:58:14,467 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2018-04-09 22:58:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:14,468 INFO L225 Difference]: With dead ends: 364 [2018-04-09 22:58:14,468 INFO L226 Difference]: Without dead ends: 261 [2018-04-09 22:58:14,469 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2018-04-09 22:58:14,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-04-09 22:58:14,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 198. [2018-04-09 22:58:14,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-04-09 22:58:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 206 transitions. [2018-04-09 22:58:14,479 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 206 transitions. Word has length 51 [2018-04-09 22:58:14,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:14,479 INFO L459 AbstractCegarLoop]: Abstraction has 198 states and 206 transitions. [2018-04-09 22:58:14,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 22:58:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 206 transitions. [2018-04-09 22:58:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-09 22:58:14,480 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:14,480 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 22:58:14,480 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:14,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1024196680, 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 [2018-04-09 22:58:14,489 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:14,512 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:14,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:14,523 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:14,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 22:58:14,523 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,527 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,527 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-09 22:58:14,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:14,537 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 8 treesize of output 7 [2018-04-09 22:58:14,537 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,538 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:14,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:14,550 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,552 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,558 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-04-09 22:58:14,573 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 16 treesize of output 12 [2018-04-09 22:58:14,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-04-09 22:58:14,576 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,577 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,582 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:15 [2018-04-09 22:58:14,594 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 [2018-04-09 22:58:14,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 22:58:14,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,599 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:14,602 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:21 [2018-04-09 22:58:14,645 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 27 treesize of output 23 [2018-04-09 22:58:14,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2018-04-09 22:58:14,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,653 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,657 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,657 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:3 [2018-04-09 22:58:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:14,693 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:14,845 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 33 treesize of output 27 [2018-04-09 22:58:14,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:14,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,883 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 17 [2018-04-09 22:58:14,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-09 22:58:14,885 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,910 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,915 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 16 treesize of output 20 [2018-04-09 22:58:14,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2018-04-09 22:58:14,917 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,927 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 12 treesize of output 12 [2018-04-09 22:58:14,927 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:14,933 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-04-09 22:58:14,933 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:14,936 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 22:58:14,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-09 22:58:14,969 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-09 22:58:14,970 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:33, output treesize:39 [2018-04-09 22:58:15,013 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:15,013 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:15,013 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 16 treesize of output 7 [2018-04-09 22:58:15,013 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,024 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:15,024 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:15,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-09 22:58:15,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,034 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:15,034 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:15,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-04-09 22:58:15,035 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,042 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 22:58:15,043 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:49, output treesize:14 [2018-04-09 22:58:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:15,070 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:15,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2018-04-09 22:58:15,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-09 22:58:15,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-09 22:58:15,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-04-09 22:58:15,071 INFO L87 Difference]: Start difference. First operand 198 states and 206 transitions. Second operand 16 states. [2018-04-09 22:58:15,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:15,589 INFO L93 Difference]: Finished difference Result 261 states and 265 transitions. [2018-04-09 22:58:15,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-09 22:58:15,590 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 58 [2018-04-09 22:58:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:15,591 INFO L225 Difference]: With dead ends: 261 [2018-04-09 22:58:15,591 INFO L226 Difference]: Without dead ends: 260 [2018-04-09 22:58:15,591 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2018-04-09 22:58:15,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-09 22:58:15,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 198. [2018-04-09 22:58:15,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-04-09 22:58:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 205 transitions. [2018-04-09 22:58:15,598 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 205 transitions. Word has length 58 [2018-04-09 22:58:15,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:15,598 INFO L459 AbstractCegarLoop]: Abstraction has 198 states and 205 transitions. [2018-04-09 22:58:15,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-09 22:58:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 205 transitions. [2018-04-09 22:58:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-09 22:58:15,598 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:15,598 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] [2018-04-09 22:58:15,599 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:15,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1685326305, 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 [2018-04-09 22:58:15,606 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:15,627 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:15,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-09 22:58:15,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-09 22:58:15,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,649 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,650 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,650 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-09 22:58:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:15,657 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:15,660 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 [2018-04-09 22:58:15,660 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,664 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-09 22:58:15,669 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 11 treesize of output 16 [2018-04-09 22:58:15,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-09 22:58:15,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-09 22:58:15,676 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:15,680 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:15,681 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-09 22:58:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:15,709 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 22:58:15,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-09 22:58:15,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 22:58:15,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 22:58:15,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-09 22:58:15,710 INFO L87 Difference]: Start difference. First operand 198 states and 205 transitions. Second operand 8 states. [2018-04-09 22:58:15,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:15,897 INFO L93 Difference]: Finished difference Result 255 states and 262 transitions. [2018-04-09 22:58:15,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 22:58:15,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-04-09 22:58:15,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:15,898 INFO L225 Difference]: With dead ends: 255 [2018-04-09 22:58:15,898 INFO L226 Difference]: Without dead ends: 254 [2018-04-09 22:58:15,899 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-04-09 22:58:15,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-04-09 22:58:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 218. [2018-04-09 22:58:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-04-09 22:58:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 228 transitions. [2018-04-09 22:58:15,907 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 228 transitions. Word has length 59 [2018-04-09 22:58:15,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:15,907 INFO L459 AbstractCegarLoop]: Abstraction has 218 states and 228 transitions. [2018-04-09 22:58:15,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 22:58:15,907 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 228 transitions. [2018-04-09 22:58:15,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-09 22:58:15,908 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:15,908 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] [2018-04-09 22:58:15,908 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:15,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1110382372, 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 [2018-04-09 22:58:15,917 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:15,944 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:15,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:15,959 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:15,959 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 22:58:15,959 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,964 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,964 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-09 22:58:15,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:15,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:15,974 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,976 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,981 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:15,981 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-04-09 22:58:16,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-04-09 22:58:16,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-09 22:58:16,004 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,010 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:16,016 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-09 22:58:16,066 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:16,074 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:16,075 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 [2018-04-09 22:58:16,075 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:16,080 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:33 [2018-04-09 22:58:16,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2018-04-09 22:58:16,112 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 16 treesize of output 23 [2018-04-09 22:58:16,112 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:16,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:16,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 22:58:16,140 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:49, output treesize:60 [2018-04-09 22:58:16,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 67 [2018-04-09 22:58:16,199 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 68 treesize of output 67 [2018-04-09 22:58:16,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,220 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:16,226 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:51 [2018-04-09 22:58:16,308 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 58 treesize of output 47 [2018-04-09 22:58:16,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 31 [2018-04-09 22:58:16,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,337 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 1 case distinctions, treesize of input 31 treesize of output 24 [2018-04-09 22:58:16,338 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:16,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,360 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:58, output treesize:5 [2018-04-09 22:58:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:16,394 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:16,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 37 [2018-04-09 22:58:16,489 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:16,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:16,491 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:42, output treesize:33 [2018-04-09 22:58:18,837 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:18,838 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:18,838 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 [2018-04-09 22:58:18,838 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:18,847 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 317 treesize of output 167 [2018-04-09 22:58:18,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:18,873 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:18,894 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 82 [2018-04-09 22:58:18,897 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 80 treesize of output 79 [2018-04-09 22:58:18,897 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:18,925 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 67 treesize of output 56 [2018-04-09 22:58:18,925 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:18,952 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 56 treesize of output 45 [2018-04-09 22:58:18,985 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 4 case distinctions, treesize of input 24 treesize of output 39 [2018-04-09 22:58:18,985 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-04-09 22:58:19,016 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 1 case distinctions, treesize of input 30 treesize of output 32 [2018-04-09 22:58:19,022 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,022 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,022 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 27 treesize of output 21 [2018-04-09 22:58:19,023 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,035 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,036 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2018-04-09 22:58:19,040 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-04-09 22:58:19,054 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,062 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,069 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 1 case distinctions, treesize of input 26 treesize of output 30 [2018-04-09 22:58:19,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2018-04-09 22:58:19,090 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,102 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,108 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 1 case distinctions, treesize of input 30 treesize of output 32 [2018-04-09 22:58:19,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 25 [2018-04-09 22:58:19,111 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,123 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,123 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-09 22:58:19,124 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,135 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,136 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 29 [2018-04-09 22:58:19,141 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,152 INFO L267 ElimStorePlain]: Start of recursive call 16: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,158 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 1 case distinctions, treesize of input 34 treesize of output 34 [2018-04-09 22:58:19,160 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,161 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,161 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,162 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 29 treesize of output 20 [2018-04-09 22:58:19,162 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,174 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 17 treesize of output 15 [2018-04-09 22:58:19,175 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,185 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,186 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,187 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,191 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 31 [2018-04-09 22:58:19,191 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,206 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,232 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-09 22:58:19,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 76 treesize of output 64 [2018-04-09 22:58:19,404 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 43 treesize of output 51 [2018-04-09 22:58:19,405 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,423 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 45 treesize of output 53 [2018-04-09 22:58:19,423 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:19,505 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:19,515 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 4 case distinctions, treesize of input 40 treesize of output 53 [2018-04-09 22:58:19,515 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 4 xjuncts. [2018-04-09 22:58:19,519 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:19,529 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 4 case distinctions, treesize of input 42 treesize of output 55 [2018-04-09 22:58:19,530 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-04-09 22:58:19,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 50 [2018-04-09 22:58:19,669 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,670 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,670 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 40 treesize of output 34 [2018-04-09 22:58:19,670 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,717 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,719 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 47 [2018-04-09 22:58:19,730 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 3 xjuncts. [2018-04-09 22:58:19,790 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 29 [2018-04-09 22:58:19,790 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-09 22:58:19,829 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,861 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,862 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,864 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,864 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:19,875 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 52 [2018-04-09 22:58:19,876 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 5 xjuncts. [2018-04-09 22:58:19,935 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 37 treesize of output 30 [2018-04-09 22:58:19,935 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:19,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-09 22:58:19,977 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,008 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,008 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,009 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 24 treesize of output 18 [2018-04-09 22:58:20,009 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,024 INFO L267 ElimStorePlain]: Start of recursive call 29: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:20,034 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 2 case distinctions, treesize of input 42 treesize of output 50 [2018-04-09 22:58:20,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2018-04-09 22:58:20,041 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:20,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 37 [2018-04-09 22:58:20,097 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 3 xjuncts. [2018-04-09 22:58:20,153 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-04-09 22:58:20,153 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-09 22:58:20,205 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-04-09 22:58:20,207 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-09 22:58:20,264 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-09 22:58:20,317 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2018-04-09 22:58:20,361 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-09 22:58:20,402 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,430 INFO L267 ElimStorePlain]: Start of recursive call 38: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-09 22:58:20,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 48 [2018-04-09 22:58:20,443 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 38 treesize of output 36 [2018-04-09 22:58:20,443 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2018-04-09 22:58:20,478 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,518 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 32 treesize of output 35 [2018-04-09 22:58:20,519 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 3 xjuncts. [2018-04-09 22:58:20,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 19 [2018-04-09 22:58:20,562 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,607 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 35 treesize of output 27 [2018-04-09 22:58:20,607 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2018-04-09 22:58:20,649 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:20,680 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 32 treesize of output 25 [2018-04-09 22:58:20,680 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-09 22:58:20,705 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,718 INFO L267 ElimStorePlain]: Start of recursive call 48: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:20,728 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 2 case distinctions, treesize of input 46 treesize of output 52 [2018-04-09 22:58:20,730 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,731 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,731 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 42 treesize of output 36 [2018-04-09 22:58:20,732 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,772 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,774 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,775 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,776 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 54 [2018-04-09 22:58:20,787 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 5 xjuncts. [2018-04-09 22:58:20,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-04-09 22:58:20,849 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-09 22:58:20,897 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-04-09 22:58:20,945 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:20,991 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,992 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:20,999 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 2 case distinctions, treesize of input 31 treesize of output 41 [2018-04-09 22:58:21,000 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 3 xjuncts. [2018-04-09 22:58:21,061 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 39 treesize of output 32 [2018-04-09 22:58:21,061 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,106 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,107 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,107 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 29 treesize of output 23 [2018-04-09 22:58:21,108 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,137 INFO L267 ElimStorePlain]: Start of recursive call 57: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-09 22:58:21,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2018-04-09 22:58:21,279 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,280 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,281 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 28 [2018-04-09 22:58:21,281 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-09 22:58:21,300 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,316 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,317 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 36 [2018-04-09 22:58:21,322 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,339 INFO L267 ElimStorePlain]: Start of recursive call 66: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,345 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 35 treesize of output 39 [2018-04-09 22:58:21,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-09 22:58:21,347 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-04-09 22:58:21,366 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-04-09 22:58:21,387 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,396 INFO L267 ElimStorePlain]: Start of recursive call 70: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2018-04-09 22:58:21,404 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,404 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-04-09 22:58:21,405 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,425 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 27 treesize of output 25 [2018-04-09 22:58:21,425 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,442 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,443 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,447 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 1 case distinctions, treesize of input 33 treesize of output 38 [2018-04-09 22:58:21,447 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,466 INFO L267 ElimStorePlain]: Start of recursive call 74: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2018-04-09 22:58:21,473 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,475 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,475 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,478 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 38 [2018-04-09 22:58:21,479 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2018-04-09 22:58:21,503 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,519 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,520 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,520 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,521 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 31 treesize of output 22 [2018-04-09 22:58:21,521 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,536 INFO L267 ElimStorePlain]: Start of recursive call 78: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2018-04-09 22:58:21,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2018-04-09 22:58:21,553 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-09 22:58:21,573 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,593 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 29 treesize of output 29 [2018-04-09 22:58:21,593 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,603 INFO L267 ElimStorePlain]: Start of recursive call 82: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2018-04-09 22:58:21,610 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,611 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-04-09 22:58:21,611 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,632 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,633 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,636 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 1 case distinctions, treesize of input 33 treesize of output 36 [2018-04-09 22:58:21,637 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,656 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 27 treesize of output 25 [2018-04-09 22:58:21,656 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,672 INFO L267 ElimStorePlain]: Start of recursive call 86: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,677 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2018-04-09 22:58:21,680 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,680 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,681 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 28 [2018-04-09 22:58:21,681 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,700 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,701 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,705 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 1 case distinctions, treesize of input 31 treesize of output 34 [2018-04-09 22:58:21,705 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-09 22:58:21,723 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,738 INFO L267 ElimStorePlain]: Start of recursive call 90: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 43 [2018-04-09 22:58:21,748 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,749 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,750 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,750 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 38 treesize of output 29 [2018-04-09 22:58:21,750 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2018-04-09 22:58:21,771 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:21,795 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,796 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,797 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:21,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 40 [2018-04-09 22:58:21,801 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,819 INFO L267 ElimStorePlain]: Start of recursive call 94: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:21,924 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-09 22:58:22,002 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-09 22:58:22,036 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-09 22:58:22,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 22:58:22,076 INFO L202 ElimStorePlain]: Needed 97 recursive calls to eliminate 6 variables, input treesize:330, output treesize:18 [2018-04-09 22:58:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:22,164 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 22:58:22,164 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2018-04-09 22:58:22,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-09 22:58:22,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-09 22:58:22,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=700, Unknown=1, NotChecked=0, Total=812 [2018-04-09 22:58:22,165 INFO L87 Difference]: Start difference. First operand 218 states and 228 transitions. Second operand 29 states. [2018-04-09 22:58:26,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 22:58:26,275 INFO L93 Difference]: Finished difference Result 400 states and 418 transitions. [2018-04-09 22:58:26,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-09 22:58:26,275 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 59 [2018-04-09 22:58:26,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 22:58:26,277 INFO L225 Difference]: With dead ends: 400 [2018-04-09 22:58:26,277 INFO L226 Difference]: Without dead ends: 399 [2018-04-09 22:58:26,278 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=472, Invalid=2179, Unknown=1, NotChecked=0, Total=2652 [2018-04-09 22:58:26,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-04-09 22:58:26,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 262. [2018-04-09 22:58:26,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-04-09 22:58:26,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 275 transitions. [2018-04-09 22:58:26,295 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 275 transitions. Word has length 59 [2018-04-09 22:58:26,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 22:58:26,296 INFO L459 AbstractCegarLoop]: Abstraction has 262 states and 275 transitions. [2018-04-09 22:58:26,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-09 22:58:26,296 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 275 transitions. [2018-04-09 22:58:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-09 22:58:26,297 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 22:58:26,297 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] [2018-04-09 22:58:26,297 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-09 22:58:26,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1110382371, 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 [2018-04-09 22:58:26,306 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 22:58:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 22:58:26,335 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 22:58:26,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:26,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:26,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 22:58:26,368 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,373 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-09 22:58:26,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:26,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 22:58:26,384 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,386 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 22:58:26,397 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 8 treesize of output 7 [2018-04-09 22:58:26,397 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,399 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,405 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-04-09 22:58:26,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-09 22:58:26,454 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-09 22:58:26,454 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,459 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 47 [2018-04-09 22:58:26,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-04-09 22:58:26,475 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,480 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:26,489 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-04-09 22:58:26,576 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:26,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 21 [2018-04-09 22:58:26,582 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,650 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:26,651 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:26,652 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:26,652 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:26,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-09 22:58:26,654 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:26,669 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:77, output treesize:69 [2018-04-09 22:58:26,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2018-04-09 22:58:26,715 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 16 treesize of output 23 [2018-04-09 22:58:26,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:26,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:26,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 71 [2018-04-09 22:58:26,780 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 22:58:26,782 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 31 [2018-04-09 22:58:26,782 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,795 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 61 [2018-04-09 22:58:26,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2018-04-09 22:58:26,805 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,815 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,847 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 2 xjuncts. [2018-04-09 22:58:26,848 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:94, output treesize:145 [2018-04-09 22:58:26,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-04-09 22:58:26,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-09 22:58:26,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 90 [2018-04-09 22:58:26,944 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 22 treesize of output 21 [2018-04-09 22:58:26,945 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,953 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:26,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:26,966 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:133, output treesize:109 [2018-04-09 22:58:27,039 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 67 [2018-04-09 22:58:27,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2018-04-09 22:58:27,041 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:27,050 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 18 [2018-04-09 22:58:27,051 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:27,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-09 22:58:27,060 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:27,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:27,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-09 22:58:27,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 22:58:27,090 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:27,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-09 22:58:27,095 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:27,096 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:27,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 22:58:27,105 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:123, output treesize:18 [2018-04-09 22:58:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 22:58:27,174 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 22:58:27,901 WARN L148 SmtUtils]: Spent 344ms on a formula simplification that was a NOOP. DAG size: 63 [2018-04-09 22:58:27,959 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 123 treesize of output 127 [2018-04-09 22:58:27,960 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:27,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 90 treesize of output 88 [2018-04-09 22:58:27,962 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:27,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 127 [2018-04-09 22:58:27,972 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:28,019 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 58 treesize of output 56 [2018-04-09 22:58:28,019 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:28,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 15 dim-0 vars, and 4 xjuncts. [2018-04-09 22:58:28,056 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:154, output treesize:267 [2018-04-09 22:58:36,011 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,012 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,012 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,012 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 656 treesize of output 644 [2018-04-09 22:58:36,013 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,090 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,092 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,093 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,093 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 311 treesize of output 299 [2018-04-09 22:58:36,093 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,167 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,167 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,168 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,168 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 311 treesize of output 299 [2018-04-09 22:58:36,168 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,251 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 299 treesize of output 228 [2018-04-09 22:58:36,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:36,309 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,321 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 171 treesize of output 159 [2018-04-09 22:58:36,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 81 [2018-04-09 22:58:36,323 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,328 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,335 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,400 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 299 treesize of output 228 [2018-04-09 22:58:36,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-09 22:58:36,445 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,456 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 171 treesize of output 159 [2018-04-09 22:58:36,457 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 159 treesize of output 81 [2018-04-09 22:58:36,458 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,462 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,469 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 333 [2018-04-09 22:58:36,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:36,582 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,605 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 206 treesize of output 130 [2018-04-09 22:58:36,609 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 115 treesize of output 92 [2018-04-09 22:58:36,609 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,645 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 140 treesize of output 139 [2018-04-09 22:58:36,645 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 82 [2018-04-09 22:58:36,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2018-04-09 22:58:36,719 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:36,745 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 2 case distinctions, treesize of input 52 treesize of output 57 [2018-04-09 22:58:36,748 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 47 treesize of output 43 [2018-04-09 22:58:36,748 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,786 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,786 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,787 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,787 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 45 [2018-04-09 22:58:36,792 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:36,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-04-09 22:58:36,839 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,874 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,874 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,875 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 24 treesize of output 18 [2018-04-09 22:58:36,875 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2018-04-09 22:58:36,911 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,944 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,944 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,945 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 41 treesize of output 35 [2018-04-09 22:58:36,945 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:36,977 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,978 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:36,982 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 1 case distinctions, treesize of input 31 treesize of output 34 [2018-04-09 22:58:36,983 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:37,013 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 32 treesize of output 21 [2018-04-09 22:58:37,014 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,037 INFO L267 ElimStorePlain]: Start of recursive call 20: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 22:58:37,049 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 2 case distinctions, treesize of input 48 treesize of output 55 [2018-04-09 22:58:37,052 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 42 treesize of output 31 [2018-04-09 22:58:37,052 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,102 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 42 treesize of output 32 [2018-04-09 22:58:37,102 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-09 22:58:37,137 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-04-09 22:58:37,170 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2018-04-09 22:58:37,200 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-09 22:58:37,230 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-04-09 22:58:37,258 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-09 22:58:37,283 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,300 INFO L267 ElimStorePlain]: Start of recursive call 29: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 22:58:37,323 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-09 22:58:37,383 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 62 [2018-04-09 22:58:37,423 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 4 case distinctions, treesize of input 24 treesize of output 39 [2018-04-09 22:58:37,424 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 4 xjuncts. [2018-04-09 22:58:37,455 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 1 case distinctions, treesize of input 33 treesize of output 35 [2018-04-09 22:58:37,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-04-09 22:58:37,458 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2018-04-09 22:58:37,473 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,486 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 20 [2018-04-09 22:58:37,487 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,496 INFO L267 ElimStorePlain]: Start of recursive call 40: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:37,501 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 1 case distinctions, treesize of input 37 treesize of output 37 [2018-04-09 22:58:37,503 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,504 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2018-04-09 22:58:37,504 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,519 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 32 treesize of output 28 [2018-04-09 22:58:37,519 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,531 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,532 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-09 22:58:37,532 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,543 INFO L267 ElimStorePlain]: Start of recursive call 44: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:37,549 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 1 case distinctions, treesize of input 37 treesize of output 37 [2018-04-09 22:58:37,551 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 32 treesize of output 28 [2018-04-09 22:58:37,551 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,564 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,565 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2018-04-09 22:58:37,565 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,577 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,578 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-04-09 22:58:37,578 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,588 INFO L267 ElimStorePlain]: Start of recursive call 48: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:37,594 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 1 case distinctions, treesize of input 41 treesize of output 39 [2018-04-09 22:58:37,596 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,596 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,597 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,597 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 34 treesize of output 25 [2018-04-09 22:58:37,598 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,612 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-04-09 22:58:37,612 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,624 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,625 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,626 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 22:58:37,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-04-09 22:58:37,626 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,638 INFO L267 ElimStorePlain]: Start of recursive call 52: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:37,664 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-09 22:58:37,727 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-09 22:58:37,756 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-09 22:58:37,844 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 87 treesize of output 64 [2018-04-09 22:58:37,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-04-09 22:58:37,863 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-09 22:58:37,887 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 65 [2018-04-09 22:58:37,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 46 treesize of output 49 [2018-04-09 22:58:37,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2018-04-09 22:58:37,975 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:37,990 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:37,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 44 treesize of output 47 [2018-04-09 22:58:38,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2018-04-09 22:58:38,000 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:38,015 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 22:58:38,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 49 [2018-04-09 22:58:38,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 50 [2018-04-09 22:58:38,118 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:38,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 67 [2018-04-09 22:58:38,166 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 8 xjuncts. [2018-04-09 22:58:38,223 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-09 22:58:38,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 47 [2018-04-09 22:58:38,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 48 [2018-04-09 22:58:38,242 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 2 xjuncts. [2018-04-09 22:58:38,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 65 [2018-04-09 22:58:38,295 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 8 xjuncts. [2018-04-09 22:58:38,351 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-09 22:58:38,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 55 [2018-04-09 22:58:38,561 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_111 term size 43 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-09 22:58:38,564 INFO L168 Benchmark]: Toolchain (without parser) took 37560.78 ms. Allocated memory was 306.2 MB in the beginning and 707.3 MB in the end (delta: 401.1 MB). Free memory was 240.8 MB in the beginning and 661.3 MB in the end (delta: -420.5 MB). Peak memory consumption was 331.7 MB. Max. memory is 5.3 GB. [2018-04-09 22:58:38,565 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 306.2 MB. Free memory is still 266.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 22:58:38,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.84 ms. Allocated memory is still 306.2 MB. Free memory was 240.8 MB in the beginning and 212.9 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. [2018-04-09 22:58:38,565 INFO L168 Benchmark]: Boogie Preprocessor took 64.08 ms. Allocated memory is still 306.2 MB. Free memory was 212.9 MB in the beginning and 208.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-09 22:58:38,565 INFO L168 Benchmark]: RCFGBuilder took 684.99 ms. Allocated memory was 306.2 MB in the beginning and 470.8 MB in the end (delta: 164.6 MB). Free memory was 208.9 MB in the beginning and 389.2 MB in the end (delta: -180.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. [2018-04-09 22:58:38,566 INFO L168 Benchmark]: TraceAbstraction took 36472.15 ms. Allocated memory was 470.8 MB in the beginning and 707.3 MB in the end (delta: 236.5 MB). Free memory was 389.2 MB in the beginning and 661.3 MB in the end (delta: -272.2 MB). Peak memory consumption was 315.5 MB. Max. memory is 5.3 GB. [2018-04-09 22:58:38,567 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 306.2 MB. Free memory is still 266.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 334.84 ms. Allocated memory is still 306.2 MB. Free memory was 240.8 MB in the beginning and 212.9 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 64.08 ms. Allocated memory is still 306.2 MB. Free memory was 212.9 MB in the beginning and 208.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 684.99 ms. Allocated memory was 306.2 MB in the beginning and 470.8 MB in the end (delta: 164.6 MB). Free memory was 208.9 MB in the beginning and 389.2 MB in the end (delta: -180.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 36472.15 ms. Allocated memory was 470.8 MB in the beginning and 707.3 MB in the end (delta: 236.5 MB). Free memory was 389.2 MB in the beginning and 661.3 MB in the end (delta: -272.2 MB). Peak memory consumption was 315.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_111 term size 43 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_111 term size 43: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_22-58-38-573.csv Received shutdown request...