java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 21:57:32,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 21:57:32,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 21:57:32,625 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 21:57:32,625 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 21:57:32,626 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 21:57:32,627 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 21:57:32,628 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 21:57:32,631 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 21:57:32,631 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 21:57:32,632 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 21:57:32,632 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 21:57:32,633 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 21:57:32,635 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 21:57:32,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 21:57:32,638 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 21:57:32,640 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 21:57:32,641 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 21:57:32,642 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 21:57:32,643 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 21:57:32,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 21:57:32,652 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 21:57:32,675 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 21:57:32,675 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 21:57:32,676 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 21:57:32,676 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 21:57:32,676 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 21:57:32,676 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 21:57:32,677 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 21:57:32,677 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 21:57:32,677 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 21:57:32,677 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 21:57:32,677 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 21:57:32,678 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 21:57:32,678 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 21:57:32,678 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 21:57:32,678 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 21:57:32,678 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 21:57:32,678 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 21:57:32,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 21:57:32,679 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 21:57:32,679 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 21:57:32,679 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 21:57:32,679 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 21:57:32,679 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 21:57:32,680 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 21:57:32,680 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 21:57:32,680 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 21:57:32,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:57:32,680 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 21:57:32,680 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 21:57:32,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 21:57:32,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 21:57:32,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 21:57:32,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:32,681 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 21:57:32,682 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 21:57:32,682 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 21:57:32,682 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 21:57:32,682 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 21:57:32,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 21:57:32,728 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 21:57:32,732 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 21:57:32,734 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 21:57:32,734 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 21:57:32,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,060 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG15f765ae7 [2018-04-11 21:57:33,223 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 21:57:33,224 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 21:57:33,224 INFO L168 CDTParser]: Scanning split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,234 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 21:57:33,234 INFO L215 ultiparseSymbolTable]: [2018-04-11 21:57:33,234 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 21:57:33,234 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBody ('containsBody') in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHead ('containsHead') in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_64 ('__bswap_64') in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_32 ('__bswap_32') in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append ('append') in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 21:57:33,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ushort in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____ino_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____syscall_slong_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____pid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__suseconds_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____sigset_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_cond_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____ino64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____loff_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__quad_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____off_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_barrier_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_quad_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_long in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__clock_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fd_mask in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_int in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__dev_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_rwlockattr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__id_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__uint in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_char in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____clockid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int16_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__blkcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__sigset_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_spinlock_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____blkcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_long in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____int16_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_quad_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_key_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____dev_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__register_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____int64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsblkcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ulong in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_barrierattr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____useconds_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____caddr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fd_set in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ldiv_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____rlim64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____key_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__daddr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uint8_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__loff_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____int8_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____qaddr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____blksize_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fsid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____clock_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____daddr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__int64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uint16_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_condattr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__size_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__key_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_mutexattr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsfilcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____time_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__int8_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__mode_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____ssize_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____socklen_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ino_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__int32_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_short in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____rlim_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fsfilcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsfilcnt64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_mutex_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__gid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____blkcnt64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__uid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,242 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_short in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__off_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__time_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_rwlock_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____mode_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__caddr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__blksize_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____intptr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__div_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uint32_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_once_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsword_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,243 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__ssize_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____off64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____sig_atomic_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____u_char in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fsblkcnt64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int32_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__nlink_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__timer_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,244 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__lldiv_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__int16_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_attr_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____uint64_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__wchar_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int8_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____nlink_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____pthread_slist_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____suseconds_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__clockid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____quad_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____fd_mask in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____id_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__u_int in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____syscall_ulong_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____int32_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__pthread_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i__fsblkcnt_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____gid_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsplit_list_test___true_valid_memsafety_i____timer_t in split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:33,264 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG15f765ae7 [2018-04-11 21:57:33,268 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 21:57:33,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 21:57:33,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 21:57:33,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 21:57:33,276 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 21:57:33,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b83bd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33, skipping insertion in model container [2018-04-11 21:57:33,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,293 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:57:33,323 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:57:33,518 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:57:33,582 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:57:33,590 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 121 non ball SCCs. Number of states in SCCs 121. [2018-04-11 21:57:33,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33 WrapperNode [2018-04-11 21:57:33,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 21:57:33,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 21:57:33,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 21:57:33,644 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 21:57:33,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (1/1) ... [2018-04-11 21:57:33,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 21:57:33,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 21:57:33,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 21:57:33,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 21:57:33,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:57:33,849 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 21:57:33,849 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 21:57:33,849 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_32 [2018-04-11 21:57:33,849 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_64 [2018-04-11 21:57:33,849 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHead [2018-04-11 21:57:33,849 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBody [2018-04-11 21:57:33,850 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append [2018-04-11 21:57:33,850 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 21:57:33,850 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 21:57:33,850 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 21:57:33,850 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 21:57:33,850 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 21:57:33,850 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 21:57:33,851 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 21:57:33,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 21:57:33,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 21:57:33,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 21:57:33,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 21:57:33,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 21:57:33,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 21:57:33,851 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 21:57:33,852 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 21:57:33,852 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 21:57:33,852 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 21:57:33,852 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 21:57:33,852 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_32 [2018-04-11 21:57:33,852 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i____bswap_64 [2018-04-11 21:57:33,852 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 21:57:33,853 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 21:57:33,853 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 21:57:33,853 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 21:57:33,853 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 21:57:33,853 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 21:57:33,853 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 21:57:33,853 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 21:57:33,854 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 21:57:33,854 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 21:57:33,854 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 21:57:33,854 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 21:57:33,854 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 21:57:33,854 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 21:57:33,854 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 21:57:33,855 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 21:57:33,855 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 21:57:33,855 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 21:57:33,855 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 21:57:33,855 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 21:57:33,855 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 21:57:33,855 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 21:57:33,856 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 21:57:33,856 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 21:57:33,856 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 21:57:33,856 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 21:57:33,856 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 21:57:33,856 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 21:57:33,856 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 21:57:33,856 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 21:57:33,857 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 21:57:33,857 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 21:57:33,857 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 21:57:33,857 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 21:57:33,857 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 21:57:33,857 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 21:57:33,857 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 21:57:33,857 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 21:57:33,858 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 21:57:33,858 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 21:57:33,858 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 21:57:33,858 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 21:57:33,858 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-11 21:57:33,858 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 21:57:33,858 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 21:57:33,858 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-11 21:57:33,859 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 21:57:33,859 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 21:57:33,859 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-11 21:57:33,859 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 21:57:33,859 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 21:57:33,859 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 21:57:33,859 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 21:57:33,859 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 21:57:33,860 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 21:57:33,860 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 21:57:33,860 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 21:57:33,860 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 21:57:33,860 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 21:57:33,860 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 21:57:33,860 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 21:57:33,860 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 21:57:33,861 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 21:57:33,861 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 21:57:33,861 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 21:57:33,861 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 21:57:33,861 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 21:57:33,861 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 21:57:33,861 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 21:57:33,861 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 21:57:33,862 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 21:57:33,862 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 21:57:33,862 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 21:57:33,862 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 21:57:33,862 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 21:57:33,862 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 21:57:33,862 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 21:57:33,862 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 21:57:33,863 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 21:57:33,863 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 21:57:33,863 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 21:57:33,863 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 21:57:33,863 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 21:57:33,863 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 21:57:33,863 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 21:57:33,863 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 21:57:33,864 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 21:57:33,864 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-04-11 21:57:33,864 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 21:57:33,864 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHead [2018-04-11 21:57:33,864 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 21:57:33,864 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 21:57:33,864 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBody [2018-04-11 21:57:33,864 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsplit_list_test___true_valid_memsafety_i__append [2018-04-11 21:57:33,865 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 21:57:33,865 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 21:57:33,865 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 21:57:33,865 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 21:57:33,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 21:57:33,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 21:57:33,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 21:57:33,865 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 21:57:34,861 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 21:57:34,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:57:34 BoogieIcfgContainer [2018-04-11 21:57:34,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 21:57:34,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 21:57:34,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 21:57:34,866 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 21:57:34,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:57:33" (1/3) ... [2018-04-11 21:57:34,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc7f078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:57:34, skipping insertion in model container [2018-04-11 21:57:34,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:57:33" (2/3) ... [2018-04-11 21:57:34,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc7f078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:57:34, skipping insertion in model container [2018-04-11 21:57:34,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:57:34" (3/3) ... [2018-04-11 21:57:34,869 INFO L107 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-04-11 21:57:34,879 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 21:57:34,887 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-04-11 21:57:34,937 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 21:57:34,938 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 21:57:34,938 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 21:57:34,938 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 21:57:34,938 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 21:57:34,939 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 21:57:34,939 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 21:57:34,939 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 21:57:34,939 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 21:57:34,940 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 21:57:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states. [2018-04-11 21:57:34,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 21:57:34,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:34,973 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:57:34,973 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:34,977 INFO L82 PathProgramCache]: Analyzing trace with hash -996431178, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:34,988 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:35,023 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:35,077 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:57:35,079 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:35,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:35,085 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:57:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:35,099 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:35,142 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:35,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 21:57:35,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 21:57:35,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 21:57:35,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:57:35,157 INFO L87 Difference]: Start difference. First operand 447 states. Second operand 4 states. [2018-04-11 21:57:35,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:35,683 INFO L93 Difference]: Finished difference Result 964 states and 1075 transitions. [2018-04-11 21:57:35,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:57:35,685 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-11 21:57:35,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:35,702 INFO L225 Difference]: With dead ends: 964 [2018-04-11 21:57:35,702 INFO L226 Difference]: Without dead ends: 527 [2018-04-11 21:57:35,710 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:57:35,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2018-04-11 21:57:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 463. [2018-04-11 21:57:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-04-11 21:57:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 507 transitions. [2018-04-11 21:57:35,780 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 507 transitions. Word has length 9 [2018-04-11 21:57:35,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:35,780 INFO L459 AbstractCegarLoop]: Abstraction has 463 states and 507 transitions. [2018-04-11 21:57:35,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 21:57:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 507 transitions. [2018-04-11 21:57:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 21:57:35,781 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:35,781 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:57:35,781 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:35,782 INFO L82 PathProgramCache]: Analyzing trace with hash -996431177, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:35,788 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:35,799 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:35,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:57:35,809 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:35,813 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:35,813 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 21:57:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:35,828 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:35,875 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:35,875 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-11 21:57:35,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 21:57:35,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 21:57:35,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 21:57:35,877 INFO L87 Difference]: Start difference. First operand 463 states and 507 transitions. Second operand 6 states. [2018-04-11 21:57:36,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:36,338 INFO L93 Difference]: Finished difference Result 473 states and 519 transitions. [2018-04-11 21:57:36,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:57:36,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-11 21:57:36,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:36,342 INFO L225 Difference]: With dead ends: 473 [2018-04-11 21:57:36,342 INFO L226 Difference]: Without dead ends: 471 [2018-04-11 21:57:36,343 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:57:36,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2018-04-11 21:57:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 461. [2018-04-11 21:57:36,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-04-11 21:57:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 505 transitions. [2018-04-11 21:57:36,371 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 505 transitions. Word has length 9 [2018-04-11 21:57:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:36,371 INFO L459 AbstractCegarLoop]: Abstraction has 461 states and 505 transitions. [2018-04-11 21:57:36,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 21:57:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 505 transitions. [2018-04-11 21:57:36,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 21:57:36,372 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:36,372 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:57:36,372 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:36,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1566427006, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:36,393 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:36,413 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:36,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:57:36,434 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:36,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:36,448 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:57:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:36,461 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:36,499 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:36,500 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 21:57:36,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 21:57:36,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 21:57:36,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:57:36,501 INFO L87 Difference]: Start difference. First operand 461 states and 505 transitions. Second operand 4 states. [2018-04-11 21:57:36,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:36,730 INFO L93 Difference]: Finished difference Result 461 states and 505 transitions. [2018-04-11 21:57:36,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 21:57:36,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-04-11 21:57:36,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:36,733 INFO L225 Difference]: With dead ends: 461 [2018-04-11 21:57:36,733 INFO L226 Difference]: Without dead ends: 456 [2018-04-11 21:57:36,733 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:57:36,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2018-04-11 21:57:36,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2018-04-11 21:57:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-04-11 21:57:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 500 transitions. [2018-04-11 21:57:36,751 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 500 transitions. Word has length 23 [2018-04-11 21:57:36,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:36,752 INFO L459 AbstractCegarLoop]: Abstraction has 456 states and 500 transitions. [2018-04-11 21:57:36,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 21:57:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 500 transitions. [2018-04-11 21:57:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 21:57:36,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:36,752 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:57:36,753 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:36,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1566427007, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:36,768 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:36,786 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:36,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:57:36,805 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:36,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:36,808 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 21:57:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:36,833 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:36,884 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:36,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-11 21:57:36,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 21:57:36,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 21:57:36,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 21:57:36,885 INFO L87 Difference]: Start difference. First operand 456 states and 500 transitions. Second operand 6 states. [2018-04-11 21:57:37,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:37,199 INFO L93 Difference]: Finished difference Result 456 states and 500 transitions. [2018-04-11 21:57:37,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 21:57:37,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-11 21:57:37,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:37,202 INFO L225 Difference]: With dead ends: 456 [2018-04-11 21:57:37,202 INFO L226 Difference]: Without dead ends: 451 [2018-04-11 21:57:37,202 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:57:37,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-04-11 21:57:37,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2018-04-11 21:57:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-04-11 21:57:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 495 transitions. [2018-04-11 21:57:37,216 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 495 transitions. Word has length 23 [2018-04-11 21:57:37,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:37,216 INFO L459 AbstractCegarLoop]: Abstraction has 451 states and 495 transitions. [2018-04-11 21:57:37,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 21:57:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 495 transitions. [2018-04-11 21:57:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 21:57:37,216 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:37,217 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:57:37,217 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:37,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1314597466, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:37,223 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:37,241 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:37,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 21:57:37,265 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:37,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:37,268 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-11 21:57:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:37,288 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:37,342 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:37,342 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2018-04-11 21:57:37,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 21:57:37,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 21:57:37,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-11 21:57:37,343 INFO L87 Difference]: Start difference. First operand 451 states and 495 transitions. Second operand 9 states. [2018-04-11 21:57:37,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:37,803 INFO L93 Difference]: Finished difference Result 505 states and 548 transitions. [2018-04-11 21:57:37,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 21:57:37,803 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-04-11 21:57:37,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:37,806 INFO L225 Difference]: With dead ends: 505 [2018-04-11 21:57:37,806 INFO L226 Difference]: Without dead ends: 497 [2018-04-11 21:57:37,807 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-04-11 21:57:37,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2018-04-11 21:57:37,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 443. [2018-04-11 21:57:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-04-11 21:57:37,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 487 transitions. [2018-04-11 21:57:37,822 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 487 transitions. Word has length 24 [2018-04-11 21:57:37,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:37,823 INFO L459 AbstractCegarLoop]: Abstraction has 443 states and 487 transitions. [2018-04-11 21:57:37,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 21:57:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 487 transitions. [2018-04-11 21:57:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 21:57:37,824 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:37,824 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:57:37,824 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:37,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1314597467, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:37,831 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:37,847 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:37,870 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:37,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-04-11 21:57:37,872 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:37,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:37,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:37,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 21:57:37,882 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:37,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:37,887 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-04-11 21:57:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:37,912 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:38,166 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:38,166 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2018-04-11 21:57:38,166 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 21:57:38,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 21:57:38,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-04-11 21:57:38,167 INFO L87 Difference]: Start difference. First operand 443 states and 487 transitions. Second operand 11 states. [2018-04-11 21:57:39,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:39,290 INFO L93 Difference]: Finished difference Result 497 states and 540 transitions. [2018-04-11 21:57:39,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 21:57:39,290 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2018-04-11 21:57:39,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:39,292 INFO L225 Difference]: With dead ends: 497 [2018-04-11 21:57:39,292 INFO L226 Difference]: Without dead ends: 494 [2018-04-11 21:57:39,293 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-04-11 21:57:39,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2018-04-11 21:57:39,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 440. [2018-04-11 21:57:39,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2018-04-11 21:57:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 484 transitions. [2018-04-11 21:57:39,306 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 484 transitions. Word has length 24 [2018-04-11 21:57:39,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:39,307 INFO L459 AbstractCegarLoop]: Abstraction has 440 states and 484 transitions. [2018-04-11 21:57:39,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 21:57:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 484 transitions. [2018-04-11 21:57:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 21:57:39,307 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:39,307 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:57:39,308 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:39,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1661840003, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:39,324 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:39,345 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:39,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:39,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:39,378 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 21:57:39,379 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:39,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-04-11 21:57:39,386 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:39,390 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:39,390 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:17 [2018-04-11 21:57:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:39,471 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:39,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-11 21:57:39,656 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:39,660 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:39,660 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:6 [2018-04-11 21:57:39,673 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-11 21:57:39,673 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:39,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:39,674 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:1 [2018-04-11 21:57:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:39,709 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:39,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 14 [2018-04-11 21:57:39,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 21:57:39,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 21:57:39,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-04-11 21:57:39,710 INFO L87 Difference]: Start difference. First operand 440 states and 484 transitions. Second operand 15 states. [2018-04-11 21:57:40,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:40,740 INFO L93 Difference]: Finished difference Result 494 states and 537 transitions. [2018-04-11 21:57:40,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 21:57:40,740 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 27 [2018-04-11 21:57:40,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:40,742 INFO L225 Difference]: With dead ends: 494 [2018-04-11 21:57:40,742 INFO L226 Difference]: Without dead ends: 489 [2018-04-11 21:57:40,743 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2018-04-11 21:57:40,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-11 21:57:40,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 435. [2018-04-11 21:57:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-04-11 21:57:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 479 transitions. [2018-04-11 21:57:40,755 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 479 transitions. Word has length 27 [2018-04-11 21:57:40,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:40,755 INFO L459 AbstractCegarLoop]: Abstraction has 435 states and 479 transitions. [2018-04-11 21:57:40,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 21:57:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 479 transitions. [2018-04-11 21:57:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-11 21:57:40,756 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:40,757 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] [2018-04-11 21:57:40,757 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:40,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1404149044, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:40,766 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:40,789 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:40,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-11 21:57:40,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 21:57:40,804 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,805 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-11 21:57:40,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 21:57:40,811 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,812 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,815 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2018-04-11 21:57:40,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-11 21:57:40,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:40,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-11 21:57:40,838 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,842 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-11 21:57:40,851 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:40,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-11 21:57:40,852 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,855 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,860 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-11 21:57:40,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-11 21:57:40,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:40,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-11 21:57:40,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,907 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-11 21:57:40,914 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:40,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-11 21:57:40,915 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,917 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,920 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:40,920 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:7 [2018-04-11 21:57:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:40,936 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:41,002 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:41,002 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 10 [2018-04-11 21:57:41,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 21:57:41,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 21:57:41,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-04-11 21:57:41,003 INFO L87 Difference]: Start difference. First operand 435 states and 479 transitions. Second operand 10 states. [2018-04-11 21:57:41,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:41,239 INFO L93 Difference]: Finished difference Result 889 states and 982 transitions. [2018-04-11 21:57:41,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 21:57:41,240 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-04-11 21:57:41,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:41,243 INFO L225 Difference]: With dead ends: 889 [2018-04-11 21:57:41,243 INFO L226 Difference]: Without dead ends: 465 [2018-04-11 21:57:41,245 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-04-11 21:57:41,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-04-11 21:57:41,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 453. [2018-04-11 21:57:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2018-04-11 21:57:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 499 transitions. [2018-04-11 21:57:41,265 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 499 transitions. Word has length 36 [2018-04-11 21:57:41,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:41,265 INFO L459 AbstractCegarLoop]: Abstraction has 453 states and 499 transitions. [2018-04-11 21:57:41,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 21:57:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 499 transitions. [2018-04-11 21:57:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 21:57:41,266 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:41,267 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] [2018-04-11 21:57:41,267 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:41,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1532717865, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:41,276 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:41,308 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:41,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-11 21:57:41,329 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 10 treesize of output 9 [2018-04-11 21:57:41,329 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-11 21:57:41,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-11 21:57:41,342 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,344 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,348 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,348 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:27, output treesize:19 [2018-04-11 21:57:41,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-11 21:57:41,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-11 21:57:41,390 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-11 21:57:41,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-11 21:57:41,401 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,412 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,435 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:41,436 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:37, output treesize:7 [2018-04-11 21:57:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:41,467 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:41,535 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:57:41,535 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-11 21:57:41,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 21:57:41,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 21:57:41,536 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:57:41,536 INFO L87 Difference]: Start difference. First operand 453 states and 499 transitions. Second operand 7 states. [2018-04-11 21:57:41,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:57:41,889 INFO L93 Difference]: Finished difference Result 885 states and 977 transitions. [2018-04-11 21:57:41,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 21:57:41,889 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2018-04-11 21:57:41,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:57:41,892 INFO L225 Difference]: With dead ends: 885 [2018-04-11 21:57:41,892 INFO L226 Difference]: Without dead ends: 461 [2018-04-11 21:57:41,894 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-04-11 21:57:41,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-04-11 21:57:41,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 456. [2018-04-11 21:57:41,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-04-11 21:57:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 502 transitions. [2018-04-11 21:57:41,911 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 502 transitions. Word has length 38 [2018-04-11 21:57:41,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:57:41,911 INFO L459 AbstractCegarLoop]: Abstraction has 456 states and 502 transitions. [2018-04-11 21:57:41,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 21:57:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 502 transitions. [2018-04-11 21:57:41,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-11 21:57:41,914 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:57:41,914 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:57:41,914 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__appendErr17RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr30EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr19AssertViolationMEMORY_FREE, mainErr6RequiresViolation, mainErr18AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr11AssertViolationMEMORY_FREE, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr24RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr15RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsHeadErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr19RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr2RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr37RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr11RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr29RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr32RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr16RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr14RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr34RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr7RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr39RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr24RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr26RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr0RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr9RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr36RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr40RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr17RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr27RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr30RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr13RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr23RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr6RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr33RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr10RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr28RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr38RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr20RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr3RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr18RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr31RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr22RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr5RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr41RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr4RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr35RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr12RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr21RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr25RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr8RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr1RequiresViolation, __U_MULTI_fsplit_list_test___true_valid_memsafety_i__containsBodyErr15RequiresViolation]=== [2018-04-11 21:57:41,914 INFO L82 PathProgramCache]: Analyzing trace with hash 62716490, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:57:41,924 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:57:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:57:41,974 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:57:42,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-11 21:57:42,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-11 21:57:42,034 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,035 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,040 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,040 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-04-11 21:57:42,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-04-11 21:57:42,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2018-04-11 21:57:42,066 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 30 [2018-04-11 21:57:42,088 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:42,100 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 21:57:42,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 21:57:42,115 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-04-11 21:57:42,159 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 33 treesize of output 28 [2018-04-11 21:57:42,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,162 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 18 treesize of output 27 [2018-04-11 21:57:42,163 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,168 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 65 [2018-04-11 21:57:42,203 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,213 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 3 case distinctions, treesize of input 48 treesize of output 54 [2018-04-11 21:57:42,213 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:42,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,248 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 51 treesize of output 66 [2018-04-11 21:57:42,248 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,268 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 21:57:42,288 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 3 xjuncts. [2018-04-11 21:57:42,288 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-04-11 21:57:42,336 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,337 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,338 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 63 treesize of output 57 [2018-04-11 21:57:42,339 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:42,373 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:130, output treesize:57 [2018-04-11 21:57:42,462 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,463 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,463 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 52 [2018-04-11 21:57:42,464 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:42,475 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:76 [2018-04-11 21:57:42,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-04-11 21:57:42,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-11 21:57:42,559 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,587 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:42,588 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:89, output treesize:76 [2018-04-11 21:57:42,629 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 75 treesize of output 73 [2018-04-11 21:57:42,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-11 21:57:42,634 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,644 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,665 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:42,665 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:89, output treesize:85 [2018-04-11 21:57:42,710 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 80 treesize of output 58 [2018-04-11 21:57:42,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:42,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 8 [2018-04-11 21:57:42,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 14 [2018-04-11 21:57:42,729 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-04-11 21:57:42,738 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,742 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:42,750 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:42,750 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:94, output treesize:28 [2018-04-11 21:57:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:57:42,800 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:57:45,248 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,249 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:45,252 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 202 [2018-04-11 21:57:45,253 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,266 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 189 treesize of output 120 [2018-04-11 21:57:45,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 21:57:45,320 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,340 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,341 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 0 case distinctions, treesize of input 89 treesize of output 93 [2018-04-11 21:57:45,373 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 40 [2018-04-11 21:57:45,384 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,385 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:45,386 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 48 [2018-04-11 21:57:45,387 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,404 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2018-04-11 21:57:45,405 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,415 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 21:57:45,430 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 47 treesize of output 39 [2018-04-11 21:57:45,433 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:45,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2018-04-11 21:57:45,434 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,439 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,441 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 47 treesize of output 39 [2018-04-11 21:57:45,443 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:45,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 14 [2018-04-11 21:57:45,443 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,448 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,458 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 21:57:45,467 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 21:57:45,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:45,480 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 8 variables, input treesize:124, output treesize:10 [2018-04-11 21:57:48,099 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 111 treesize of output 82 [2018-04-11 21:57:48,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 21:57:48,124 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 85 [2018-04-11 21:57:48,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 68 [2018-04-11 21:57:48,226 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2018-04-11 21:57:48,228 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,239 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 80 treesize of output 78 [2018-04-11 21:57:48,244 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,245 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 47 treesize of output 52 [2018-04-11 21:57:48,245 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,261 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable 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 51 treesize of output 54 [2018-04-11 21:57:48,266 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-04-11 21:57:48,266 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,276 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,381 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 50 treesize of output 62 [2018-04-11 21:57:48,385 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,395 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 3 case distinctions, treesize of input 53 treesize of output 72 [2018-04-11 21:57:48,395 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:48,433 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 61 [2018-04-11 21:57:48,434 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,469 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 21:57:48,482 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 69 treesize of output 76 [2018-04-11 21:57:48,485 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 72 [2018-04-11 21:57:48,486 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:48,525 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,535 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 3 case distinctions, treesize of input 67 treesize of output 83 [2018-04-11 21:57:48,536 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:48,574 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 21:57:48,704 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 65 treesize of output 59 [2018-04-11 21:57:48,707 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 67 [2018-04-11 21:57:48,833 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,890 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 2 case distinctions, treesize of input 39 treesize of output 46 [2018-04-11 21:57:48,891 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:48,899 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 81 [2018-04-11 21:57:48,927 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:48,933 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:48,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 84 [2018-04-11 21:57:48,973 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:49,096 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2018-04-11 21:57:49,097 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:49,101 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:49,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2018-04-11 21:57:49,114 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:49,195 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:49,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 44 [2018-04-11 21:57:49,205 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:49,298 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:49,375 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:49,378 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 56 treesize of output 48 [2018-04-11 21:57:49,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2018-04-11 21:57:49,381 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:49,393 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:49,404 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 2 case distinctions, treesize of input 25 treesize of output 32 [2018-04-11 21:57:49,404 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:49,419 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-11 21:57:49,421 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 67 treesize of output 59 [2018-04-11 21:57:49,427 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:49,464 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 case distinctions, treesize of input 47 treesize of output 108 [2018-04-11 21:57:50,006 WARN L151 SmtUtils]: Spent 535ms on a formula simplification. DAG size of input: 253 DAG size of output 184 [2018-04-11 21:57:50,010 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,010 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,011 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,013 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,014 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,015 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:50,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 72 [2018-04-11 21:57:50,025 INFO L267 ElimStorePlain]: Start of recursive call 30: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 21:57:50,026 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-11 21:57:50,027 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:50,028 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-11 21:57:50,028 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:50,321 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,322 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,322 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,324 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 55 treesize of output 52 [2018-04-11 21:57:50,325 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:50,329 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,329 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,330 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,344 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 3 case distinctions, treesize of input 58 treesize of output 87 [2018-04-11 21:57:50,346 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:50,588 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,589 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,590 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,590 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,591 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,601 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 78 [2018-04-11 21:57:50,603 INFO L267 ElimStorePlain]: Start of recursive call 35: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:50,877 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,878 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,879 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,880 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:50,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 84 [2018-04-11 21:57:50,894 INFO L267 ElimStorePlain]: Start of recursive call 36: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 21:57:51,180 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,182 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,182 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 52 [2018-04-11 21:57:51,188 INFO L267 ElimStorePlain]: Start of recursive call 37: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-11 21:57:51,493 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,495 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,495 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,497 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,499 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 127 [2018-04-11 21:57:51,526 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-11 21:57:51,530 INFO L267 ElimStorePlain]: Start of recursive call 38: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 12 xjuncts. [2018-04-11 21:57:51,533 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,533 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,535 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,537 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:51,551 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 75 [2018-04-11 21:57:51,551 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 4 xjuncts. [2018-04-11 21:57:52,020 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,022 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,022 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,022 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,024 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 85 [2018-04-11 21:57:52,035 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:52,038 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,040 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 54 [2018-04-11 21:57:52,047 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 4 xjuncts. [2018-04-11 21:57:52,469 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,469 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,471 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,472 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,472 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:52,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 65 [2018-04-11 21:57:52,483 INFO L267 ElimStorePlain]: Start of recursive call 42: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 21:57:52,847 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,848 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,849 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,850 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,853 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,854 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:52,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:52,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 54 treesize of output 97 [2018-04-11 21:57:52,872 INFO L267 ElimStorePlain]: Start of recursive call 43: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 21:57:53,249 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:53,250 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:53,251 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:53,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 59 [2018-04-11 21:57:53,256 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-11 21:57:53,635 INFO L267 ElimStorePlain]: Start of recursive call 29: 10 dim-1 vars, End of recursive call: 17 dim-0 vars, and 28 xjuncts. [2018-04-11 21:57:54,056 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: 17 dim-0 vars, and 28 xjuncts. [2018-04-11 21:57:54,063 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 54 treesize of output 48 [2018-04-11 21:57:54,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2018-04-11 21:57:54,066 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:54,079 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:54,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-04-11 21:57:54,079 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:54,088 INFO L267 ElimStorePlain]: Start of recursive call 45: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:54,090 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 65 treesize of output 59 [2018-04-11 21:57:54,092 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:54,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 67 [2018-04-11 21:57:54,207 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:54,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 44 [2018-04-11 21:57:54,216 INFO L267 ElimStorePlain]: Start of recursive call 50: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:54,283 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:54,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2018-04-11 21:57:54,293 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:54,295 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:54,296 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 37 treesize of output 28 [2018-04-11 21:57:54,296 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:54,384 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:54,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 81 [2018-04-11 21:57:54,411 INFO L267 ElimStorePlain]: Start of recursive call 53: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:54,414 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:54,425 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 2 case distinctions, treesize of input 39 treesize of output 46 [2018-04-11 21:57:54,425 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:54,519 INFO L267 ElimStorePlain]: Start of recursive call 49: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 9 xjuncts. [2018-04-11 21:57:54,594 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:54,597 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 54 treesize of output 48 [2018-04-11 21:57:54,600 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:54,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-04-11 21:57:54,600 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:54,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2018-04-11 21:57:54,611 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:54,621 INFO L267 ElimStorePlain]: Start of recursive call 55: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:55,679 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 55 treesize of output 55 [2018-04-11 21:57:55,695 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:55,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 38 [2018-04-11 21:57:55,696 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:55,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2018-04-11 21:57:55,720 INFO L267 ElimStorePlain]: Start of recursive call 60: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:55,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-04-11 21:57:55,742 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:55,762 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:55,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 29 [2018-04-11 21:57:55,763 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:55,780 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:55,781 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:55,781 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 31 treesize of output 29 [2018-04-11 21:57:55,782 INFO L267 ElimStorePlain]: Start of recursive call 63: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:57:55,797 INFO L267 ElimStorePlain]: Start of recursive call 58: 5 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-11 21:57:55,800 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 66 treesize of output 58 [2018-04-11 21:57:55,803 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:55,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 67 [2018-04-11 21:57:55,910 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:55,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 44 [2018-04-11 21:57:55,919 INFO L267 ElimStorePlain]: Start of recursive call 66: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:55,989 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:56,010 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 81 [2018-04-11 21:57:56,012 INFO L267 ElimStorePlain]: Start of recursive call 67: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:56,017 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:56,036 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 2 case distinctions, treesize of input 39 treesize of output 46 [2018-04-11 21:57:56,037 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:56,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2018-04-11 21:57:56,148 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-04-11 21:57:56,152 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:56,162 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2018-04-11 21:57:56,163 INFO L267 ElimStorePlain]: Start of recursive call 70: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:56,249 INFO L267 ElimStorePlain]: Start of recursive call 65: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:56,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-11 21:57:56,326 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:56,397 INFO L267 ElimStorePlain]: Start of recursive call 64: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-11 21:57:57,439 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 71 treesize of output 71 [2018-04-11 21:57:57,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 64 [2018-04-11 21:57:57,454 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:57,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 74 [2018-04-11 21:57:57,466 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:57,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 case distinctions, treesize of input 65 treesize of output 119 [2018-04-11 21:57:58,107 WARN L151 SmtUtils]: Spent 605ms on a formula simplification. DAG size of input: 260 DAG size of output 187 [2018-04-11 21:57:58,110 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,111 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,112 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 63 [2018-04-11 21:57:58,119 INFO L267 ElimStorePlain]: Start of recursive call 76: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-11 21:57:58,499 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,500 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,502 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,502 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,503 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,505 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:58,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 83 [2018-04-11 21:57:58,514 INFO L267 ElimStorePlain]: Start of recursive call 77: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 21:57:58,853 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,854 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,854 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,856 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,859 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,860 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:58,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:57:58,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 108 [2018-04-11 21:57:58,877 INFO L267 ElimStorePlain]: Start of recursive call 78: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 21:57:59,267 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,268 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,268 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,269 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61 [2018-04-11 21:57:59,271 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:59,272 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,274 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,275 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,275 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,278 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 96 [2018-04-11 21:57:59,298 INFO L267 ElimStorePlain]: Start of recursive call 80: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:57:59,792 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,792 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,792 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,795 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 66 treesize of output 63 [2018-04-11 21:57:59,795 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-11 21:57:59,800 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,801 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,801 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:57:59,817 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 3 case distinctions, treesize of input 69 treesize of output 98 [2018-04-11 21:57:59,819 INFO L267 ElimStorePlain]: Start of recursive call 82: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:58:00,231 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:00,231 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:00,232 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:00,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 70 [2018-04-11 21:58:00,242 INFO L267 ElimStorePlain]: Start of recursive call 83: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-11 21:58:00,683 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:00,684 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:00,686 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:00,687 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:00,687 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:00,688 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:58:00,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 76 [2018-04-11 21:58:00,698 INFO L267 ElimStorePlain]: Start of recursive call 84: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 21:58:01,149 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,150 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,151 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,152 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 86 [2018-04-11 21:58:01,166 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 4 xjuncts. [2018-04-11 21:58:01,169 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,171 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,172 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,174 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,176 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 138 [2018-04-11 21:58:01,204 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-11 21:58:01,207 INFO L267 ElimStorePlain]: Start of recursive call 86: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 12 xjuncts. [2018-04-11 21:58:01,870 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,872 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,873 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:01,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 89 [2018-04-11 21:58:01,887 INFO L267 ElimStorePlain]: Start of recursive call 87: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:58:02,436 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:02,438 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:02,439 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:02,440 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:02,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 95 [2018-04-11 21:58:02,453 INFO L267 ElimStorePlain]: Start of recursive call 88: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-11 21:58:02,985 INFO L267 ElimStorePlain]: Start of recursive call 75: 10 dim-1 vars, End of recursive call: 17 dim-0 vars, and 28 xjuncts. [2018-04-11 21:58:03,562 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:03,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 58 treesize of output 86 [2018-04-11 21:58:03,705 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 85 DAG size of output 75 [2018-04-11 21:58:03,707 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:03,708 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 54 treesize of output 45 [2018-04-11 21:58:03,708 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:03,711 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:03,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 68 [2018-04-11 21:58:03,721 INFO L267 ElimStorePlain]: Start of recursive call 91: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:58:03,727 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:03,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 71 [2018-04-11 21:58:03,737 INFO L267 ElimStorePlain]: Start of recursive call 92: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:58:03,851 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:03,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 61 [2018-04-11 21:58:03,861 INFO L267 ElimStorePlain]: Start of recursive call 93: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:58:03,973 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:03,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 63 [2018-04-11 21:58:03,983 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 2 xjuncts. [2018-04-11 21:58:03,988 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:04,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 98 [2018-04-11 21:58:04,017 INFO L267 ElimStorePlain]: Start of recursive call 95: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-11 21:58:04,158 INFO L267 ElimStorePlain]: Start of recursive call 89: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 9 xjuncts. [2018-04-11 21:58:04,791 INFO L267 ElimStorePlain]: Start of recursive call 74: 2 dim-1 vars, End of recursive call: 21 dim-0 vars, and 34 xjuncts. [2018-04-11 21:58:05,424 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:05,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 65 [2018-04-11 21:58:05,427 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:05,440 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 67 [2018-04-11 21:58:05,505 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:05,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 54 [2018-04-11 21:58:05,515 INFO L267 ElimStorePlain]: Start of recursive call 98: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:58:05,517 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:05,518 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 37 treesize of output 28 [2018-04-11 21:58:05,518 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:05,521 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:05,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2018-04-11 21:58:05,530 INFO L267 ElimStorePlain]: Start of recursive call 100: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:58:05,597 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:05,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2018-04-11 21:58:05,610 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 2 xjuncts. [2018-04-11 21:58:05,614 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:05,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 81 [2018-04-11 21:58:05,636 INFO L267 ElimStorePlain]: Start of recursive call 102: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-04-11 21:58:05,722 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 21:58:05,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 44 [2018-04-11 21:58:05,731 INFO L267 ElimStorePlain]: Start of recursive call 103: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-04-11 21:58:05,800 INFO L267 ElimStorePlain]: Start of recursive call 97: 3 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-11 21:58:05,861 INFO L267 ElimStorePlain]: Start of recursive call 96: 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-04-11 21:58:06,534 INFO L267 ElimStorePlain]: Start of recursive call 73: 2 dim-1 vars, End of recursive call: 25 dim-0 vars, and 35 xjuncts. [2018-04-11 21:58:07,252 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_71 term size 44 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-11 21:58:07,255 INFO L168 Benchmark]: Toolchain (without parser) took 33987.08 ms. Allocated memory was 302.5 MB in the beginning and 767.0 MB in the end (delta: 464.5 MB). Free memory was 240.9 MB in the beginning and 648.0 MB in the end (delta: -407.1 MB). Peak memory consumption was 397.4 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:07,257 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.5 MB. Free memory is still 264.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:58:07,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.98 ms. Allocated memory is still 302.5 MB. Free memory was 240.9 MB in the beginning and 210.5 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:07,257 INFO L168 Benchmark]: Boogie Preprocessor took 74.45 ms. Allocated memory is still 302.5 MB. Free memory was 210.5 MB in the beginning and 207.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:07,258 INFO L168 Benchmark]: RCFGBuilder took 1142.95 ms. Allocated memory was 302.5 MB in the beginning and 463.5 MB in the end (delta: 161.0 MB). Free memory was 207.5 MB in the beginning and 332.1 MB in the end (delta: -124.6 MB). Peak memory consumption was 51.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:07,258 INFO L168 Benchmark]: TraceAbstraction took 32391.84 ms. Allocated memory was 463.5 MB in the beginning and 767.0 MB in the end (delta: 303.6 MB). Free memory was 332.1 MB in the beginning and 648.0 MB in the end (delta: -315.9 MB). Peak memory consumption was 327.6 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:07,260 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.5 MB. Free memory is still 264.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 372.98 ms. Allocated memory is still 302.5 MB. Free memory was 240.9 MB in the beginning and 210.5 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 74.45 ms. Allocated memory is still 302.5 MB. Free memory was 210.5 MB in the beginning and 207.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1142.95 ms. Allocated memory was 302.5 MB in the beginning and 463.5 MB in the end (delta: 161.0 MB). Free memory was 207.5 MB in the beginning and 332.1 MB in the end (delta: -124.6 MB). Peak memory consumption was 51.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 32391.84 ms. Allocated memory was 463.5 MB in the beginning and 767.0 MB in the end (delta: 303.6 MB). Free memory was 332.1 MB in the beginning and 648.0 MB in the end (delta: -315.9 MB). Peak memory consumption was 327.6 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_71 term size 44 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_71 term size 44: 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/split_list_test05_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_21-58-07-266.csv Received shutdown request...