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/sll-buckets_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 13:29:41,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 13:29:41,005 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 13:29:41,019 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 13:29:41,019 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 13:29:41,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 13:29:41,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 13:29:41,023 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 13:29:41,025 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 13:29:41,026 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 13:29:41,027 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 13:29:41,027 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 13:29:41,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 13:29:41,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 13:29:41,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 13:29:41,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 13:29:41,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 13:29:41,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 13:29:41,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 13:29:41,038 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 13:29:41,041 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-03-28 13:29:41,046 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 13:29:41,047 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 13:29:41,047 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-28 13:29:41,071 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 13:29:41,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 13:29:41,072 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 13:29:41,072 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 13:29:41,072 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 13:29:41,073 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 13:29:41,073 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 13:29:41,073 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 13:29:41,073 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 13:29:41,073 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 13:29:41,074 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 13:29:41,074 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 13:29:41,074 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 13:29:41,074 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 13:29:41,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 13:29:41,075 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 13:29:41,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 13:29:41,075 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 13:29:41,075 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 13:29:41,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 13:29:41,076 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 13:29:41,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 13:29:41,076 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 13:29:41,076 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 13:29:41,076 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 13:29:41,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:29:41,077 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 13:29:41,077 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 13:29:41,077 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 13:29:41,077 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 13:29:41,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 13:29:41,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:41,078 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 13:29:41,079 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 13:29:41,079 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 13:29:41,079 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 13:29:41,079 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 13:29:41,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 13:29:41,124 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 13:29:41,128 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 13:29:41,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 13:29:41,130 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 13:29:41,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,430 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG59094f39e [2018-03-28 13:29:41,611 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 13:29:41,611 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 13:29:41,611 INFO L171 CDTParser]: Scanning sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,622 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 13:29:41,623 INFO L215 ultiparseSymbolTable]: [2018-03-28 13:29:41,623 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 13:29:41,623 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,623 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 13:29:41,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____loff_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____daddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____clockid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__clockid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__suseconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____pid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____sigset_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ino_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_int in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____gid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____clock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__dev_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fd_mask in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__daddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__clock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__nlink_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__id_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__uint in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,627 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ino64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__BCK in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__SLL in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ssize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,628 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fd_mask in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____off_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ulong in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_long in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsword_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__sigset_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__register_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blksize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,629 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____qaddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__loff_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____rlim64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____time_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,630 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ushort in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____useconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ldiv_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ino_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,631 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____rlim_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_short in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__mode_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__caddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____timer_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__time_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__size_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____intptr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__div_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fd_set in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__blksize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____dev_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____mode_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__idtype_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ssize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____nlink_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____caddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_short in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__gid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__blkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__timer_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_char in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__off_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_long in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____id_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_once_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__wchar_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____socklen_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__lldiv_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__uid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_char in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____off64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____suseconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:41,656 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG59094f39e [2018-03-28 13:29:41,661 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 13:29:41,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 13:29:41,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 13:29:41,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 13:29:41,672 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 13:29:41,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:29:41" (1/1) ... [2018-03-28 13:29:41,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3683182e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:41, skipping insertion in model container [2018-03-28 13:29:41,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:29:41" (1/1) ... [2018-03-28 13:29:41,689 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:29:41,723 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:29:41,907 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:29:41,961 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:29:41,968 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-03-28 13:29:42,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42 WrapperNode [2018-03-28 13:29:42,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 13:29:42,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 13:29:42,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 13:29:42,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 13:29:42,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (1/1) ... [2018-03-28 13:29:42,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (1/1) ... [2018-03-28 13:29:42,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (1/1) ... [2018-03-28 13:29:42,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (1/1) ... [2018-03-28 13:29:42,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (1/1) ... [2018-03-28 13:29:42,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (1/1) ... [2018-03-28 13:29:42,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (1/1) ... [2018-03-28 13:29:42,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 13:29:42,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 13:29:42,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 13:29:42,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 13:29:42,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:29:42,197 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 13:29:42,197 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 13:29:42,197 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 13:29:42,197 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 13:29:42,197 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 13:29:42,198 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 13:29:42,198 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 13:29:42,198 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 13:29:42,198 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 13:29:42,198 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 13:29:42,198 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 13:29:42,198 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 13:29:42,199 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 13:29:42,199 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 13:29:42,199 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 13:29:42,199 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 13:29:42,199 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 13:29:42,199 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 13:29:42,199 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 13:29:42,199 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 13:29:42,200 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 13:29:42,200 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 13:29:42,200 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 13:29:42,200 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 13:29:42,200 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 13:29:42,200 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 13:29:42,200 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 13:29:42,201 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 13:29:42,201 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 13:29:42,201 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 13:29:42,201 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 13:29:42,201 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 13:29:42,201 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 13:29:42,202 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 13:29:42,202 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 13:29:42,202 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 13:29:42,202 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 13:29:42,202 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 13:29:42,202 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 13:29:42,202 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 13:29:42,202 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 13:29:42,203 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 13:29:42,203 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 13:29:42,203 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 13:29:42,203 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 13:29:42,203 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 13:29:42,203 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 13:29:42,203 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 13:29:42,203 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 13:29:42,204 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 13:29:42,204 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 13:29:42,204 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 13:29:42,204 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 13:29:42,204 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 13:29:42,204 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 13:29:42,204 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 13:29:42,204 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 13:29:42,205 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 13:29:42,205 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 13:29:42,205 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 13:29:42,205 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 13:29:42,205 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-03-28 13:29:42,205 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 13:29:42,205 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 13:29:42,205 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-03-28 13:29:42,206 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 13:29:42,206 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 13:29:42,206 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-03-28 13:29:42,206 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 13:29:42,206 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 13:29:42,206 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 13:29:42,206 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 13:29:42,207 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 13:29:42,207 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 13:29:42,207 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 13:29:42,207 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 13:29:42,207 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 13:29:42,207 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 13:29:42,207 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 13:29:42,207 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 13:29:42,208 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 13:29:42,208 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 13:29:42,208 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 13:29:42,208 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 13:29:42,208 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 13:29:42,208 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 13:29:42,208 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 13:29:42,208 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 13:29:42,209 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 13:29:42,209 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 13:29:42,209 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 13:29:42,209 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 13:29:42,209 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 13:29:42,209 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 13:29:42,209 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 13:29:42,209 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 13:29:42,210 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 13:29:42,210 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 13:29:42,210 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 13:29:42,210 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 13:29:42,210 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 13:29:42,210 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 13:29:42,210 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 13:29:42,211 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 13:29:42,211 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 13:29:42,211 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 13:29:42,211 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 13:29:42,211 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-28 13:29:42,211 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 13:29:42,211 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 13:29:42,211 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 13:29:42,212 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-28 13:29:42,212 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-28 13:29:42,212 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 13:29:42,212 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 13:29:42,212 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 13:29:42,212 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 13:29:42,212 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 13:29:42,760 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 13:29:42,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:29:42 BoogieIcfgContainer [2018-03-28 13:29:42,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 13:29:42,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 13:29:42,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 13:29:42,764 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 13:29:42,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 01:29:41" (1/3) ... [2018-03-28 13:29:42,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d08dc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:29:42, skipping insertion in model container [2018-03-28 13:29:42,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:29:42" (2/3) ... [2018-03-28 13:29:42,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d08dc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:29:42, skipping insertion in model container [2018-03-28 13:29:42,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:29:42" (3/3) ... [2018-03-28 13:29:42,766 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-03-28 13:29:42,773 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 13:29:42,779 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2018-03-28 13:29:42,817 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 13:29:42,817 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 13:29:42,817 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 13:29:42,817 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 13:29:42,817 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 13:29:42,817 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 13:29:42,818 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 13:29:42,818 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 13:29:42,818 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 13:29:42,818 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 13:29:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2018-03-28 13:29:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-28 13:29:42,841 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:42,842 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:29:42,842 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:42,847 INFO L82 PathProgramCache]: Analyzing trace with hash -2008693394, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:42,862 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:42,897 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:42,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:29:42,940 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:42,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:42,948 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:29:42,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:42,964 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:43,000 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:43,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 13:29:43,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 13:29:43,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 13:29:43,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 13:29:43,014 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 4 states. [2018-03-28 13:29:43,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:43,335 INFO L93 Difference]: Finished difference Result 397 states and 461 transitions. [2018-03-28 13:29:43,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 13:29:43,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-28 13:29:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:43,349 INFO L225 Difference]: With dead ends: 397 [2018-03-28 13:29:43,349 INFO L226 Difference]: Without dead ends: 232 [2018-03-28 13:29:43,353 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 [2018-03-28 13:29:43,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-03-28 13:29:43,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 181. [2018-03-28 13:29:43,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-03-28 13:29:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 188 transitions. [2018-03-28 13:29:43,398 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 188 transitions. Word has length 9 [2018-03-28 13:29:43,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:43,398 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 188 transitions. [2018-03-28 13:29:43,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 13:29:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 188 transitions. [2018-03-28 13:29:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-28 13:29:43,399 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:43,399 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:29:43,399 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:43,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2008693393, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:43,406 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:43,418 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:43,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:29:43,428 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:43,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:43,442 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:29:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:43,462 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:43,604 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:43,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 13:29:43,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:29:43,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:29:43,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:29:43,606 INFO L87 Difference]: Start difference. First operand 181 states and 188 transitions. Second operand 6 states. [2018-03-28 13:29:43,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:43,913 INFO L93 Difference]: Finished difference Result 281 states and 291 transitions. [2018-03-28 13:29:43,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 13:29:43,913 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-03-28 13:29:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:43,916 INFO L225 Difference]: With dead ends: 281 [2018-03-28 13:29:43,916 INFO L226 Difference]: Without dead ends: 277 [2018-03-28 13:29:43,918 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 13:29:43,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-03-28 13:29:43,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 177. [2018-03-28 13:29:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-03-28 13:29:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 184 transitions. [2018-03-28 13:29:43,932 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 184 transitions. Word has length 9 [2018-03-28 13:29:43,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:43,933 INFO L459 AbstractCegarLoop]: Abstraction has 177 states and 184 transitions. [2018-03-28 13:29:43,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:29:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 184 transitions. [2018-03-28 13:29:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-28 13:29:43,934 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:43,934 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:29:43,934 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:43,935 INFO L82 PathProgramCache]: Analyzing trace with hash -852881311, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:43,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:43,967 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:43,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:29:43,972 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:43,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:43,974 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:29:43,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:29:43,987 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 8 treesize of output 7 [2018-03-28 13:29:43,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:43,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:43,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:43,995 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-28 13:29:44,008 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 [2018-03-28 13:29:44,011 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 13 treesize of output 5 [2018-03-28 13:29:44,011 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,013 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,015 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,015 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-03-28 13:29:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:44,055 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:44,096 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:44,096 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 13:29:44,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:29:44,097 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:29:44,097 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:29:44,097 INFO L87 Difference]: Start difference. First operand 177 states and 184 transitions. Second operand 6 states. [2018-03-28 13:29:44,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:44,399 INFO L93 Difference]: Finished difference Result 247 states and 259 transitions. [2018-03-28 13:29:44,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 13:29:44,399 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-03-28 13:29:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:44,400 INFO L225 Difference]: With dead ends: 247 [2018-03-28 13:29:44,400 INFO L226 Difference]: Without dead ends: 234 [2018-03-28 13:29:44,401 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-03-28 13:29:44,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-03-28 13:29:44,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 180. [2018-03-28 13:29:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-03-28 13:29:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 194 transitions. [2018-03-28 13:29:44,412 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 194 transitions. Word has length 16 [2018-03-28 13:29:44,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:44,413 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 194 transitions. [2018-03-28 13:29:44,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:29:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 194 transitions. [2018-03-28 13:29:44,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-28 13:29:44,413 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:44,413 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:29:44,413 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:44,414 INFO L82 PathProgramCache]: Analyzing trace with hash -852881310, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:44,421 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:44,438 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:44,448 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:29:44,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,454 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:29:44,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:29:44,470 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:29:44,471 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,474 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:29:44,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:29:44,496 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,499 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,506 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-03-28 13:29:44,520 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 [2018-03-28 13:29:44,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-03-28 13:29:44,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,524 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 13:29:44,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-28 13:29:44,530 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,535 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:44,542 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-03-28 13:29:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:44,555 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:44,617 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:44,617 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-28 13:29:44,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 13:29:44,617 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 13:29:44,617 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:29:44,618 INFO L87 Difference]: Start difference. First operand 180 states and 194 transitions. Second operand 10 states. [2018-03-28 13:29:45,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:45,014 INFO L93 Difference]: Finished difference Result 265 states and 277 transitions. [2018-03-28 13:29:45,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-28 13:29:45,015 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2018-03-28 13:29:45,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:45,017 INFO L225 Difference]: With dead ends: 265 [2018-03-28 13:29:45,017 INFO L226 Difference]: Without dead ends: 260 [2018-03-28 13:29:45,017 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-03-28 13:29:45,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-03-28 13:29:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 176. [2018-03-28 13:29:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-03-28 13:29:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 189 transitions. [2018-03-28 13:29:45,029 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 189 transitions. Word has length 16 [2018-03-28 13:29:45,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:45,029 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 189 transitions. [2018-03-28 13:29:45,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 13:29:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 189 transitions. [2018-03-28 13:29:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-28 13:29:45,030 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:45,030 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:29:45,031 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:45,031 INFO L82 PathProgramCache]: Analyzing trace with hash -445860739, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:45,037 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:45,056 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:45,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:29:45,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,066 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:29:45,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:29:45,074 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:29:45,075 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,079 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-28 13:29:45,084 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 [2018-03-28 13:29:45,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-03-28 13:29:45,086 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,087 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,088 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-03-28 13:29:45,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:45,099 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:45,129 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:45,129 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 13:29:45,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:29:45,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:29:45,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:29:45,130 INFO L87 Difference]: Start difference. First operand 176 states and 189 transitions. Second operand 6 states. [2018-03-28 13:29:45,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:45,405 INFO L93 Difference]: Finished difference Result 229 states and 238 transitions. [2018-03-28 13:29:45,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-28 13:29:45,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-03-28 13:29:45,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:45,406 INFO L225 Difference]: With dead ends: 229 [2018-03-28 13:29:45,406 INFO L226 Difference]: Without dead ends: 228 [2018-03-28 13:29:45,407 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:29:45,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-03-28 13:29:45,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 175. [2018-03-28 13:29:45,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-03-28 13:29:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 188 transitions. [2018-03-28 13:29:45,415 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 188 transitions. Word has length 23 [2018-03-28 13:29:45,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:45,415 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 188 transitions. [2018-03-28 13:29:45,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:29:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2018-03-28 13:29:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-28 13:29:45,415 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:45,416 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:29:45,416 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:45,416 INFO L82 PathProgramCache]: Analyzing trace with hash -445860738, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:45,423 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:45,439 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:45,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:29:45,443 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,446 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,446 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:29:45,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:29:45,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:29:45,457 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,466 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:29:45,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:29:45,468 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,470 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,473 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-03-28 13:29:45,480 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 [2018-03-28 13:29:45,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-03-28 13:29:45,482 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 13:29:45,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-28 13:29:45,490 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,491 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,494 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-03-28 13:29:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:45,505 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:45,563 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:45,564 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-28 13:29:45,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 13:29:45,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 13:29:45,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-03-28 13:29:45,564 INFO L87 Difference]: Start difference. First operand 175 states and 188 transitions. Second operand 10 states. [2018-03-28 13:29:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:45,869 INFO L93 Difference]: Finished difference Result 259 states and 270 transitions. [2018-03-28 13:29:45,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 13:29:45,869 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-03-28 13:29:45,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:45,870 INFO L225 Difference]: With dead ends: 259 [2018-03-28 13:29:45,870 INFO L226 Difference]: Without dead ends: 256 [2018-03-28 13:29:45,871 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-03-28 13:29:45,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-03-28 13:29:45,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 172. [2018-03-28 13:29:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-03-28 13:29:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 185 transitions. [2018-03-28 13:29:45,877 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 185 transitions. Word has length 23 [2018-03-28 13:29:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:45,877 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 185 transitions. [2018-03-28 13:29:45,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 13:29:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 185 transitions. [2018-03-28 13:29:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 13:29:45,878 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:45,878 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:29:45,878 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:45,878 INFO L82 PathProgramCache]: Analyzing trace with hash -741637798, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:45,884 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:45,907 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:45,927 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:29:45,928 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:45,939 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:29:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:45,965 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:45,990 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:45,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 13:29:45,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 13:29:45,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 13:29:45,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 13:29:45,991 INFO L87 Difference]: Start difference. First operand 172 states and 185 transitions. Second operand 4 states. [2018-03-28 13:29:46,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:46,080 INFO L93 Difference]: Finished difference Result 228 states and 243 transitions. [2018-03-28 13:29:46,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:29:46,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-03-28 13:29:46,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:46,082 INFO L225 Difference]: With dead ends: 228 [2018-03-28 13:29:46,082 INFO L226 Difference]: Without dead ends: 223 [2018-03-28 13:29:46,082 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 13:29:46,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-03-28 13:29:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 167. [2018-03-28 13:29:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-03-28 13:29:46,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 180 transitions. [2018-03-28 13:29:46,088 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 180 transitions. Word has length 34 [2018-03-28 13:29:46,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:46,089 INFO L459 AbstractCegarLoop]: Abstraction has 167 states and 180 transitions. [2018-03-28 13:29:46,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 13:29:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2018-03-28 13:29:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 13:29:46,090 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:46,090 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:29:46,090 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:46,090 INFO L82 PathProgramCache]: Analyzing trace with hash -741637797, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:46,096 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:46,118 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:46,128 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 6 treesize of output 5 [2018-03-28 13:29:46,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:46,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:46,149 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:29:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:46,166 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:46,213 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:46,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 13:29:46,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:29:46,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:29:46,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:29:46,215 INFO L87 Difference]: Start difference. First operand 167 states and 180 transitions. Second operand 6 states. [2018-03-28 13:29:46,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:46,376 INFO L93 Difference]: Finished difference Result 249 states and 270 transitions. [2018-03-28 13:29:46,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 13:29:46,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-03-28 13:29:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:46,378 INFO L225 Difference]: With dead ends: 249 [2018-03-28 13:29:46,378 INFO L226 Difference]: Without dead ends: 244 [2018-03-28 13:29:46,378 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-03-28 13:29:46,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-03-28 13:29:46,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 162. [2018-03-28 13:29:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-03-28 13:29:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 175 transitions. [2018-03-28 13:29:46,384 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 175 transitions. Word has length 34 [2018-03-28 13:29:46,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:46,384 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 175 transitions. [2018-03-28 13:29:46,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:29:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 175 transitions. [2018-03-28 13:29:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 13:29:46,385 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:46,385 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] [2018-03-28 13:29:46,385 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:46,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603095, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:46,392 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:46,411 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:46,417 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:46,418 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:46,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 13:29:46,419 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:46,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:29:46,423 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-03-28 13:29:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:46,465 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:46,560 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:46,561 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-28 13:29:46,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 13:29:46,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 13:29:46,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-28 13:29:46,561 INFO L87 Difference]: Start difference. First operand 162 states and 175 transitions. Second operand 7 states. [2018-03-28 13:29:46,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:46,920 INFO L93 Difference]: Finished difference Result 225 states and 235 transitions. [2018-03-28 13:29:46,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 13:29:46,920 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-03-28 13:29:46,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:46,921 INFO L225 Difference]: With dead ends: 225 [2018-03-28 13:29:46,921 INFO L226 Difference]: Without dead ends: 222 [2018-03-28 13:29:46,922 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-03-28 13:29:46,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-03-28 13:29:46,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 171. [2018-03-28 13:29:46,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-03-28 13:29:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 188 transitions. [2018-03-28 13:29:46,932 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 188 transitions. Word has length 35 [2018-03-28 13:29:46,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:46,933 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 188 transitions. [2018-03-28 13:29:46,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 13:29:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 188 transitions. [2018-03-28 13:29:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 13:29:46,934 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:46,934 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] [2018-03-28 13:29:46,934 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:46,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603094, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:46,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:46,990 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:47,103 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:47,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-03-28 13:29:47,114 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,135 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:47,136 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:47,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 13:29:47,138 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,158 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:29:47,158 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:30 [2018-03-28 13:29:47,198 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:47,199 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:47,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 30 [2018-03-28 13:29:47,202 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,219 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:47,220 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:47,221 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:47,222 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 [2018-03-28 13:29:47,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,231 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:29:47,232 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:33 [2018-03-28 13:29:47,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:29:47,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:29:47,252 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:29:47,267 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:45 [2018-03-28 13:29:47,287 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 33 treesize of output 25 [2018-03-28 13:29:47,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-03-28 13:29:47,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,294 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,335 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:29:47,335 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:52, output treesize:33 [2018-03-28 13:29:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:47,418 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:47,527 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:47,527 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:48, output treesize:1 [2018-03-28 13:29:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:47,554 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:47,554 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 6] imperfect sequences [] total 15 [2018-03-28 13:29:47,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-28 13:29:47,554 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-28 13:29:47,554 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-03-28 13:29:47,555 INFO L87 Difference]: Start difference. First operand 171 states and 188 transitions. Second operand 16 states. [2018-03-28 13:29:53,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:53,768 INFO L93 Difference]: Finished difference Result 333 states and 358 transitions. [2018-03-28 13:29:53,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-03-28 13:29:53,769 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 35 [2018-03-28 13:29:53,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:53,771 INFO L225 Difference]: With dead ends: 333 [2018-03-28 13:29:53,771 INFO L226 Difference]: Without dead ends: 325 [2018-03-28 13:29:53,772 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=316, Invalid=738, Unknown=2, NotChecked=0, Total=1056 [2018-03-28 13:29:53,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-03-28 13:29:53,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 228. [2018-03-28 13:29:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-03-28 13:29:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 261 transitions. [2018-03-28 13:29:53,790 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 261 transitions. Word has length 35 [2018-03-28 13:29:53,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:53,791 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 261 transitions. [2018-03-28 13:29:53,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-28 13:29:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 261 transitions. [2018-03-28 13:29:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-03-28 13:29:53,792 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:53,792 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] [2018-03-28 13:29:53,792 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:53,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1951912896, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:53,800 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:53,827 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:53,845 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:53,871 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:53,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 13:29:53,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 13:29:53,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 13:29:53,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 13:29:53,872 INFO L87 Difference]: Start difference. First operand 228 states and 261 transitions. Second operand 5 states. [2018-03-28 13:29:53,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:29:53,955 INFO L93 Difference]: Finished difference Result 339 states and 384 transitions. [2018-03-28 13:29:53,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:29:53,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-03-28 13:29:53,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:29:53,959 INFO L225 Difference]: With dead ends: 339 [2018-03-28 13:29:53,959 INFO L226 Difference]: Without dead ends: 336 [2018-03-28 13:29:53,960 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 13:29:53,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-03-28 13:29:53,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 228. [2018-03-28 13:29:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-03-28 13:29:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2018-03-28 13:29:53,974 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 36 [2018-03-28 13:29:53,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:29:53,974 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2018-03-28 13:29:53,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 13:29:53,974 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2018-03-28 13:29:53,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-03-28 13:29:53,975 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:29:53,975 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] [2018-03-28 13:29:53,976 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:29:53,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1929810540, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:29:53,982 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:29:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:29:54,008 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:29:54,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:29:54,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:29:54,024 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:29:54,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:29:54,042 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,043 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,049 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2018-03-28 13:29:54,062 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,063 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 13:29:54,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,076 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-03-28 13:29:54,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-28 13:29:54,094 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:29:54,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,100 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-28 13:29:54,113 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:29:54,115 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,118 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,126 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,126 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:35 [2018-03-28 13:29:54,169 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-03-28 13:29:54,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:29:54,174 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,180 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,191 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2018-03-28 13:29:54,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-28 13:29:54,197 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,200 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,210 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:68, output treesize:64 [2018-03-28 13:29:54,233 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,234 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 13:29:54,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,243 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,244 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:63 [2018-03-28 13:29:54,266 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,269 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 58 treesize of output 57 [2018-03-28 13:29:54,272 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:29:54,274 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,284 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,303 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 34 treesize of output 40 [2018-03-28 13:29:54,306 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,307 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 [2018-03-28 13:29:54,308 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,314 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,327 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:85, output treesize:67 [2018-03-28 13:29:54,479 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,495 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 80 treesize of output 87 [2018-03-28 13:29:54,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2018-03-28 13:29:54,498 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,534 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,542 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 2 case distinctions, treesize of input 58 treesize of output 71 [2018-03-28 13:29:54,543 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 13:29:54,570 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:29:54,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 74 [2018-03-28 13:29:54,618 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,619 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 22 treesize of output 35 [2018-03-28 13:29:54,619 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,635 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,637 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 146 [2018-03-28 13:29:54,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 122 [2018-03-28 13:29:54,655 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,712 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-28 13:29:54,741 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:105, output treesize:183 [2018-03-28 13:29:54,820 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 156 treesize of output 126 [2018-03-28 13:29:54,826 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,827 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 151 treesize of output 166 [2018-03-28 13:29:54,828 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:54,919 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,924 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:54,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 100 treesize of output 128 [2018-03-28 13:29:54,937 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 13:29:54,997 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:29:55,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 162 [2018-03-28 13:29:55,113 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,114 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 157 [2018-03-28 13:29:55,114 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,161 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,162 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 123 treesize of output 138 [2018-03-28 13:29:55,162 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,189 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,193 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 89 treesize of output 76 [2018-03-28 13:29:55,195 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,196 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 [2018-03-28 13:29:55,196 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,207 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,278 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 120 treesize of output 104 [2018-03-28 13:29:55,280 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,281 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,282 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-03-28 13:29:55,283 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,300 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,362 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 112 treesize of output 93 [2018-03-28 13:29:55,365 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,366 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,366 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,367 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-03-28 13:29:55,367 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,382 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-03-28 13:29:55,429 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 7 variables, input treesize:277, output treesize:315 [2018-03-28 13:29:55,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 105 [2018-03-28 13:29:55,676 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 76 [2018-03-28 13:29:55,677 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:29:55,718 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,722 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,732 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 81 [2018-03-28 13:29:55,734 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-28 13:29:55,796 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 89 [2018-03-28 13:29:55,797 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:55,846 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 83 treesize of output 70 [2018-03-28 13:29:55,847 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:29:55,888 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:55,889 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 70 treesize of output 61 [2018-03-28 13:29:55,889 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:29:55,928 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-03-28 13:29:55,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 49 [2018-03-28 13:29:55,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2018-03-28 13:29:55,990 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,013 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 38 treesize of output 31 [2018-03-28 13:29:56,014 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,037 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:56,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2018-03-28 13:29:56,038 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2018-03-28 13:29:56,057 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,075 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:56,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-03-28 13:29:56,076 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,087 INFO L267 ElimStorePlain]: Start of recursive call 8: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 59 [2018-03-28 13:29:56,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2018-03-28 13:29:56,127 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2018-03-28 13:29:56,206 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,252 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:56,254 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:56,254 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 44 treesize of output 39 [2018-03-28 13:29:56,255 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,285 INFO L267 ElimStorePlain]: Start of recursive call 14: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2018-03-28 13:29:56,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-28 13:29:56,292 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,308 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:56,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 13:29:56,309 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-03-28 13:29:56,318 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,323 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,362 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 85 treesize of output 69 [2018-03-28 13:29:56,364 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:56,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 13:29:56,365 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,376 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-28 13:29:56,377 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,425 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 37 [2018-03-28 13:29:56,486 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:29:56,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 13:29:56,487 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,494 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2018-03-28 13:29:56,495 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,498 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:56,506 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 9 variables, input treesize:225, output treesize:7 [2018-03-28 13:29:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:56,564 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:29:56,982 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:56,983 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:56,983 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-03-28 13:29:56,984 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:57,007 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:57,008 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:57,008 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-03-28 13:29:57,009 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:57,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-03-28 13:29:57,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:111, output treesize:90 [2018-03-28 13:29:59,240 WARN L148 SmtUtils]: Spent 2038ms on a formula simplification that was a NOOP. DAG size: 52 [2018-03-28 13:29:59,302 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 56 treesize of output 55 [2018-03-28 13:29:59,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 38 treesize of output 36 [2018-03-28 13:29:59,326 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,328 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 36 treesize of output 41 [2018-03-28 13:29:59,328 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,333 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-03-28 13:29:59,345 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,345 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,345 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,347 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 50 [2018-03-28 13:29:59,373 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,374 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,374 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,376 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 23 treesize of output 18 [2018-03-28 13:29:59,377 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,382 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,385 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,392 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,410 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 52 [2018-03-28 13:29:59,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2018-03-28 13:29:59,433 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,435 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 36 treesize of output 41 [2018-03-28 13:29:59,436 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,450 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,461 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 36 treesize of output 30 [2018-03-28 13:29:59,463 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,463 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,464 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,466 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 50 [2018-03-28 13:29:59,489 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,489 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,490 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:29:59,492 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 23 treesize of output 18 [2018-03-28 13:29:59,492 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,499 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,503 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,509 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,526 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:29:59,526 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:120, output treesize:10 [2018-03-28 13:29:59,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:29:59,596 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:29:59,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [20, 15] imperfect sequences [] total 31 [2018-03-28 13:29:59,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-03-28 13:29:59,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-03-28 13:29:59,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2018-03-28 13:29:59,597 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand 31 states. [2018-03-28 13:30:00,775 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 114 DAG size of output 93 [2018-03-28 13:30:00,990 WARN L151 SmtUtils]: Spent 166ms on a formula simplification. DAG size of input: 118 DAG size of output 97 [2018-03-28 13:30:01,385 WARN L151 SmtUtils]: Spent 299ms on a formula simplification. DAG size of input: 131 DAG size of output 118 [2018-03-28 13:30:05,882 WARN L151 SmtUtils]: Spent 4111ms on a formula simplification. DAG size of input: 135 DAG size of output 122 [2018-03-28 13:30:06,539 WARN L151 SmtUtils]: Spent 242ms on a formula simplification. DAG size of input: 124 DAG size of output 115 [2018-03-28 13:30:06,776 WARN L148 SmtUtils]: Spent 129ms on a formula simplification that was a NOOP. DAG size: 64 [2018-03-28 13:30:08,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:30:08,243 INFO L93 Difference]: Finished difference Result 430 states and 478 transitions. [2018-03-28 13:30:08,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-03-28 13:30:08,243 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 42 [2018-03-28 13:30:08,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:30:08,244 INFO L225 Difference]: With dead ends: 430 [2018-03-28 13:30:08,244 INFO L226 Difference]: Without dead ends: 331 [2018-03-28 13:30:08,246 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=800, Invalid=2982, Unknown=0, NotChecked=0, Total=3782 [2018-03-28 13:30:08,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-03-28 13:30:08,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 197. [2018-03-28 13:30:08,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-03-28 13:30:08,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 214 transitions. [2018-03-28 13:30:08,257 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 214 transitions. Word has length 42 [2018-03-28 13:30:08,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:30:08,258 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 214 transitions. [2018-03-28 13:30:08,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-03-28 13:30:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 214 transitions. [2018-03-28 13:30:08,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-28 13:30:08,259 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:30:08,259 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:30:08,259 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:30:08,259 INFO L82 PathProgramCache]: Analyzing trace with hash -434469709, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:30:08,267 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:30:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:30:08,294 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:30:08,405 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-03-28 13:30:08,416 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,448 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,450 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 13:30:08,451 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:08,499 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:30 [2018-03-28 13:30:08,586 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,590 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 30 [2018-03-28 13:30:08,594 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,615 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,616 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,616 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-03-28 13:30:08,618 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,651 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:08,651 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:47, output treesize:48 [2018-03-28 13:30:08,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:30:08,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:30:08,683 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,685 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,733 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:08,733 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:64 [2018-03-28 13:30:08,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-03-28 13:30:08,774 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 32 treesize of output 19 [2018-03-28 13:30:08,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,817 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:08,817 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:71, output treesize:48 [2018-03-28 13:30:08,914 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,915 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,917 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,920 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,921 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 59 [2018-03-28 13:30:08,922 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:08,992 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:08,993 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:09,000 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:09,003 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:09,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2018-03-28 13:30:09,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:09,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:09,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:59, output treesize:38 [2018-03-28 13:30:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:30:09,113 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:30:09,430 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:09,431 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 6 variables, input treesize:76, output treesize:1 [2018-03-28 13:30:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:30:09,481 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:30:09,481 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 7] imperfect sequences [] total 17 [2018-03-28 13:30:09,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-03-28 13:30:09,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-03-28 13:30:09,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=213, Unknown=1, NotChecked=0, Total=306 [2018-03-28 13:30:09,482 INFO L87 Difference]: Start difference. First operand 197 states and 214 transitions. Second operand 18 states. [2018-03-28 13:30:12,957 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 53 DAG size of output 46 [2018-03-28 13:30:15,596 WARN L148 SmtUtils]: Spent 2018ms on a formula simplification that was a NOOP. DAG size: 44 [2018-03-28 13:30:15,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:30:15,747 INFO L93 Difference]: Finished difference Result 316 states and 333 transitions. [2018-03-28 13:30:15,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-03-28 13:30:15,747 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47 [2018-03-28 13:30:15,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:30:15,748 INFO L225 Difference]: With dead ends: 316 [2018-03-28 13:30:15,749 INFO L226 Difference]: Without dead ends: 311 [2018-03-28 13:30:15,749 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=376, Invalid=881, Unknown=3, NotChecked=0, Total=1260 [2018-03-28 13:30:15,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-03-28 13:30:15,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 236. [2018-03-28 13:30:15,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-03-28 13:30:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 266 transitions. [2018-03-28 13:30:15,771 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 266 transitions. Word has length 47 [2018-03-28 13:30:15,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:30:15,772 INFO L459 AbstractCegarLoop]: Abstraction has 236 states and 266 transitions. [2018-03-28 13:30:15,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-03-28 13:30:15,772 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 266 transitions. [2018-03-28 13:30:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-03-28 13:30:15,773 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:30:15,773 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] [2018-03-28 13:30:15,773 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:30:15,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1959711931, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:30:15,785 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:30:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:30:15,817 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:30:15,827 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:15,828 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:15,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 13:30:15,829 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,830 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-28 13:30:15,835 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 [2018-03-28 13:30:15,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-28 13:30:15,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,838 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,842 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,842 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2018-03-28 13:30:15,870 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:15,875 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 [2018-03-28 13:30:15,877 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 10 treesize of output 9 [2018-03-28 13:30:15,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,891 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-03-28 13:30:15,939 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:15,940 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:15,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 13:30:15,941 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,948 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,948 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:29 [2018-03-28 13:30:15,968 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:15,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-03-28 13:30:15,973 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:15,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:30:15,975 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,982 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:15,990 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:38 [2018-03-28 13:30:16,066 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:16,088 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 67 treesize of output 74 [2018-03-28 13:30:16,094 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:16,115 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 2 case distinctions, treesize of input 57 treesize of output 66 [2018-03-28 13:30:16,116 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 13:30:16,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2018-03-28 13:30:16,213 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:16,277 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:30:16,321 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-28 13:30:16,321 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:67, output treesize:107 [2018-03-28 13:30:16,381 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 63 treesize of output 47 [2018-03-28 13:30:16,388 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:16,393 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:16,401 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:16,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-03-28 13:30:16,402 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:16,416 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:16,476 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 87 treesize of output 75 [2018-03-28 13:30:16,482 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:16,483 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 82 treesize of output 97 [2018-03-28 13:30:16,483 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:16,533 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:16,548 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:16,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 51 treesize of output 71 [2018-03-28 13:30:16,566 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-03-28 13:30:16,642 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:30:16,715 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-03-28 13:30:16,716 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:151, output treesize:173 [2018-03-28 13:30:17,922 WARN L151 SmtUtils]: Spent 972ms on a formula simplification. DAG size of input: 54 DAG size of output 41 [2018-03-28 13:30:18,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 69 [2018-03-28 13:30:18,014 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2018-03-28 13:30:18,015 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,025 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,049 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 55 treesize of output 45 [2018-03-28 13:30:18,051 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 57 [2018-03-28 13:30:18,053 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,059 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-03-28 13:30:18,080 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:144, output treesize:136 [2018-03-28 13:30:18,500 WARN L148 SmtUtils]: Spent 390ms on a formula simplification that was a NOOP. DAG size: 44 [2018-03-28 13:30:18,615 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 91 treesize of output 64 [2018-03-28 13:30:18,627 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,636 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 60 [2018-03-28 13:30:18,647 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 13:30:18,686 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2018-03-28 13:30:18,689 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,691 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2018-03-28 13:30:18,692 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,718 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-03-28 13:30:18,719 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,739 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2018-03-28 13:30:18,740 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,757 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,758 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 26 treesize of output 16 [2018-03-28 13:30:18,758 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,765 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,772 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,772 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:150, output treesize:10 [2018-03-28 13:30:18,808 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:18,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-28 13:30:18,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:18,812 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:18,812 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-03-28 13:30:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:30:18,849 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:30:19,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-03-28 13:30:19,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:19,787 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 45 treesize of output 40 [2018-03-28 13:30:19,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:19,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-28 13:30:19,795 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:90, output treesize:74 [2018-03-28 13:30:21,058 WARN L148 SmtUtils]: Spent 126ms on a formula simplification that was a NOOP. DAG size: 46 [2018-03-28 13:30:21,434 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,434 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,435 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 81 treesize of output 72 [2018-03-28 13:30:21,435 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,454 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,455 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 73 [2018-03-28 13:30:21,456 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 50 [2018-03-28 13:30:21,475 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 9 treesize of output 8 [2018-03-28 13:30:21,476 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,482 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:21,484 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 46 treesize of output 41 [2018-03-28 13:30:21,498 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,498 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 27 [2018-03-28 13:30:21,499 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,508 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 17 treesize of output 13 [2018-03-28 13:30:21,510 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,510 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,510 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 7 [2018-03-28 13:30:21,511 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,513 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,515 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,518 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,530 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 72 treesize of output 49 [2018-03-28 13:30:21,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-03-28 13:30:21,532 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,539 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:21,539 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:21,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2018-03-28 13:30:21,563 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:21,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-28 13:30:21,563 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,571 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 8 treesize of output 6 [2018-03-28 13:30:21,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-28 13:30:21,572 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,573 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,575 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,578 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:21,585 INFO L202 ElimStorePlain]: Needed 15 recursive calls to eliminate 12 variables, input treesize:164, output treesize:4 [2018-03-28 13:30:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:30:21,644 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 13:30:21,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 32 [2018-03-28 13:30:21,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-03-28 13:30:21,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-03-28 13:30:21,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=941, Unknown=1, NotChecked=0, Total=1056 [2018-03-28 13:30:21,645 INFO L87 Difference]: Start difference. First operand 236 states and 266 transitions. Second operand 33 states. [2018-03-28 13:30:27,562 WARN L151 SmtUtils]: Spent 2175ms on a formula simplification. DAG size of input: 73 DAG size of output 52 [2018-03-28 13:30:28,520 WARN L151 SmtUtils]: Spent 898ms on a formula simplification. DAG size of input: 101 DAG size of output 89 [2018-03-28 13:30:30,672 WARN L151 SmtUtils]: Spent 1829ms on a formula simplification. DAG size of input: 55 DAG size of output 55 [2018-03-28 13:30:33,497 WARN L151 SmtUtils]: Spent 2491ms on a formula simplification. DAG size of input: 100 DAG size of output 86 [2018-03-28 13:30:35,284 WARN L151 SmtUtils]: Spent 1692ms on a formula simplification. DAG size of input: 105 DAG size of output 91 [2018-03-28 13:30:37,750 WARN L151 SmtUtils]: Spent 2356ms on a formula simplification. DAG size of input: 75 DAG size of output 54 [2018-03-28 13:30:38,262 WARN L151 SmtUtils]: Spent 479ms on a formula simplification. DAG size of input: 70 DAG size of output 49 [2018-03-28 13:30:41,358 WARN L151 SmtUtils]: Spent 3009ms on a formula simplification. DAG size of input: 71 DAG size of output 50 [2018-03-28 13:30:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:30:41,993 INFO L93 Difference]: Finished difference Result 331 states and 347 transitions. [2018-03-28 13:30:41,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-03-28 13:30:41,993 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 54 [2018-03-28 13:30:41,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:30:41,994 INFO L225 Difference]: With dead ends: 331 [2018-03-28 13:30:41,994 INFO L226 Difference]: Without dead ends: 330 [2018-03-28 13:30:41,995 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 71 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=523, Invalid=3016, Unknown=1, NotChecked=0, Total=3540 [2018-03-28 13:30:41,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-03-28 13:30:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2018-03-28 13:30:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-03-28 13:30:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 282 transitions. [2018-03-28 13:30:42,009 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 282 transitions. Word has length 54 [2018-03-28 13:30:42,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:30:42,010 INFO L459 AbstractCegarLoop]: Abstraction has 250 states and 282 transitions. [2018-03-28 13:30:42,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-03-28 13:30:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 282 transitions. [2018-03-28 13:30:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-03-28 13:30:42,010 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:30:42,010 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] [2018-03-28 13:30:42,010 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-03-28 13:30:42,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1959711932, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:30:42,020 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:30:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:30:42,047 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:30:42,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:30:42,104 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,184 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,185 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 13:30:42,186 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-03-28 13:30:42,231 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 [2018-03-28 13:30:42,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:30:42,233 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,235 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,244 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 [2018-03-28 13:30:42,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-03-28 13:30:42,247 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,248 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,255 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,255 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:39 [2018-03-28 13:30:42,296 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-03-28 13:30:42,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:30:42,302 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,324 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,327 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 26 [2018-03-28 13:30:42,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-03-28 13:30:42,329 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,334 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,344 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,344 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:68 [2018-03-28 13:30:42,363 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:30:42,363 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,379 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,380 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,380 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-28 13:30:42,381 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,391 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:71 [2018-03-28 13:30:42,411 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,414 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 66 treesize of output 65 [2018-03-28 13:30:42,417 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:30:42,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,430 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,451 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 32 treesize of output 38 [2018-03-28 13:30:42,454 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,455 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-03-28 13:30:42,455 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,461 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,475 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:93, output treesize:83 [2018-03-28 13:30:42,536 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,537 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 59 [2018-03-28 13:30:42,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select 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 [2018-03-28 13:30:42,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,553 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,571 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,572 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,577 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 126 treesize of output 118 [2018-03-28 13:30:42,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:30:42,589 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,604 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:42,619 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:129, output treesize:121 [2018-03-28 13:30:42,654 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 65 treesize of output 80 [2018-03-28 13:30:42,656 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 39 [2018-03-28 13:30:42,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,693 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 122 [2018-03-28 13:30:42,696 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,696 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 24 treesize of output 39 [2018-03-28 13:30:42,696 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,713 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,730 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. [2018-03-28 13:30:42,730 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:180, output treesize:156 [2018-03-28 13:30:42,890 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 162 treesize of output 123 [2018-03-28 13:30:42,896 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 164 [2018-03-28 13:30:42,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 97 [2018-03-28 13:30:42,953 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:42,954 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 13:30:42,954 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,966 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:42,987 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. [2018-03-28 13:30:42,988 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:182, output treesize:174 [2018-03-28 13:30:43,041 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 165 treesize of output 102 [2018-03-28 13:30:43,045 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:43,047 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 45 treesize of output 31 [2018-03-28 13:30:43,047 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:43,066 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:43,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 13:30:43,067 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:43,082 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:43,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 36 [2018-03-28 13:30:43,084 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:43,096 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:43,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 49 [2018-03-28 13:30:43,115 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:43,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-28 13:30:43,116 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:43,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select 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 [2018-03-28 13:30:43,126 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:43,130 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:30:43,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 13:30:43,131 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:43,134 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:43,141 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:30:43,141 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:188, output treesize:18 [2018-03-28 13:30:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:30:43,218 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:30:47,454 WARN L148 SmtUtils]: Spent 147ms on a formula simplification that was a NOOP. DAG size: 69 [2018-03-28 13:30:50,775 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 173 treesize of output 150 [2018-03-28 13:30:50,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-03-28 13:30:50,811 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:50,825 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:50,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 124 treesize of output 162 [2018-03-28 13:30:51,190 WARN L151 SmtUtils]: Spent 322ms on a formula simplification. DAG size of input: 233 DAG size of output 151 [2018-03-28 13:30:51,203 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 117 treesize of output 127 [2018-03-28 13:30:51,207 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,210 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,219 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 3 case distinctions, treesize of input 120 treesize of output 136 [2018-03-28 13:30:51,220 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-03-28 13:30:51,272 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,272 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 132 [2018-03-28 13:30:51,273 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,313 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 13:30:51,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 118 treesize of output 121 [2018-03-28 13:30:51,493 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-03-28 13:30:51,495 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,506 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,654 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 116 treesize of output 119 [2018-03-28 13:30:51,656 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,658 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-03-28 13:30:51,658 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,668 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 114 [2018-03-28 13:30:51,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 85 [2018-03-28 13:30:51,820 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,830 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-03-28 13:30:51,832 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,839 INFO L267 ElimStorePlain]: Start of recursive call 12: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,979 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,980 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 120 treesize of output 115 [2018-03-28 13:30:51,983 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:30:51,984 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-03-28 13:30:51,984 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 85 [2018-03-28 13:30:51,994 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:51,998 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:30:52,114 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 114 treesize of output 114 [2018-03-28 13:30:52,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2018-03-28 13:30:52,117 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-28 13:30:52,155 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_arrayElimCell_112 term size 48 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) [2018-03-28 13:30:52,158 INFO L168 Benchmark]: Toolchain (without parser) took 70496.98 ms. Allocated memory was 299.9 MB in the beginning and 604.5 MB in the end (delta: 304.6 MB). Free memory was 237.5 MB in the beginning and 377.2 MB in the end (delta: -139.7 MB). Peak memory consumption was 263.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:30:52,159 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 299.9 MB. Free memory is still 262.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:30:52,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.75 ms. Allocated memory is still 299.9 MB. Free memory was 236.5 MB in the beginning and 209.4 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 5.3 GB. [2018-03-28 13:30:52,160 INFO L168 Benchmark]: Boogie Preprocessor took 64.25 ms. Allocated memory is still 299.9 MB. Free memory was 209.4 MB in the beginning and 206.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:30:52,160 INFO L168 Benchmark]: RCFGBuilder took 678.37 ms. Allocated memory was 299.9 MB in the beginning and 457.7 MB in the end (delta: 157.8 MB). Free memory was 206.4 MB in the beginning and 368.8 MB in the end (delta: -162.4 MB). Peak memory consumption was 19.3 MB. Max. memory is 5.3 GB. [2018-03-28 13:30:52,160 INFO L168 Benchmark]: TraceAbstraction took 69396.11 ms. Allocated memory was 457.7 MB in the beginning and 604.5 MB in the end (delta: 146.8 MB). Free memory was 368.8 MB in the beginning and 377.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 236.4 MB. Max. memory is 5.3 GB. [2018-03-28 13:30:52,162 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 299.9 MB. Free memory is still 262.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 351.75 ms. Allocated memory is still 299.9 MB. Free memory was 236.5 MB in the beginning and 209.4 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 64.25 ms. Allocated memory is still 299.9 MB. Free memory was 209.4 MB in the beginning and 206.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 678.37 ms. Allocated memory was 299.9 MB in the beginning and 457.7 MB in the end (delta: 157.8 MB). Free memory was 206.4 MB in the beginning and 368.8 MB in the end (delta: -162.4 MB). Peak memory consumption was 19.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 69396.11 ms. Allocated memory was 457.7 MB in the beginning and 604.5 MB in the end (delta: 146.8 MB). Free memory was 368.8 MB in the beginning and 377.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 236.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_112 term size 48 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_112 term size 48: 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/sll-buckets_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_13-30-52-168.csv Received shutdown request...