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/list-properties/list_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 13:28:12,838 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 13:28:12,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 13:28:12,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 13:28:12,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 13:28:12,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 13:28:12,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 13:28:12,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 13:28:12,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 13:28:12,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 13:28:12,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 13:28:12,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 13:28:12,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 13:28:12,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 13:28:12,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 13:28:12,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 13:28:12,868 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 13:28:12,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 13:28:12,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 13:28:12,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 13:28:12,875 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-28 13:28:12,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-28 13:28:12,876 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-28 13:28:12,877 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-28 13:28:12,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-28 13:28:12,879 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-28 13:28:12,879 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-28 13:28:12,880 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-28 13:28:12,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-28 13:28:12,881 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 13:28:12,882 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 13:28:12,882 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-28 13:28:12,906 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 13:28:12,906 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 13:28:12,906 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 13:28:12,907 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 13:28:12,907 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 13:28:12,907 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 13:28:12,907 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 13:28:12,907 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 13:28:12,908 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 13:28:12,908 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 13:28:12,908 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 13:28:12,908 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 13:28:12,908 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 13:28:12,908 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 13:28:12,909 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 13:28:12,909 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 13:28:12,909 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 13:28:12,909 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 13:28:12,909 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 13:28:12,909 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 13:28:12,909 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 13:28:12,910 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 13:28:12,910 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 13:28:12,910 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 13:28:12,910 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 13:28:12,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:28:12,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 13:28:12,911 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 13:28:12,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 13:28:12,911 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 13:28:12,911 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 13:28:12,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:12,911 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 13:28:12,912 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 13:28:12,912 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 13:28:12,913 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 13:28:12,913 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 13:28:12,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 13:28:12,954 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 13:28:12,957 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 13:28:12,958 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 13:28:12,959 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 13:28:12,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,304 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG355d2f361 [2018-03-28 13:28:13,470 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 13:28:13,471 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 13:28:13,471 INFO L171 CDTParser]: Scanning list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,482 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 13:28:13,482 INFO L215 ultiparseSymbolTable]: [2018-03-28 13:28:13,482 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 13:28:13,483 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__exit ('exit') in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,483 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,483 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 13:28:13,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_int16_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____daddr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,483 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__clockid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,484 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__fsid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,484 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__quad_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,484 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_spinlock_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,484 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____uint8_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,484 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_cond_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,484 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____key_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,484 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____blkcnt_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,485 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__dev_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,485 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____clock_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,485 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____WAIT_STATUS in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,485 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__ushort in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,485 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_condattr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,485 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__loff_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,485 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__id_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__int64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__uint in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____ino_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____ino64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____sigset_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____pid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____int64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,486 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____quad_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____u_quad_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__wchar_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_barrier_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____u_int in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____useconds_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_attr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,487 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____clockid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__sigset_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__ssize_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____off64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____fsblkcnt64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____off_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__nlink_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____gid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,488 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____fd_mask in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____timer_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____uid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__fsfilcnt_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____id_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_rwlockattr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,489 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____blkcnt64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_int8_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__fd_mask in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____uint64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__int32_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_int32_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____sig_atomic_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,490 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____nlink_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__key_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__timer_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____ssize_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__mode_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____rlim_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_int in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__fsblkcnt_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,491 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____int32_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__div_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____fsfilcnt_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____rlim64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____suseconds_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____time_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_mutexattr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__caddr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____mode_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,492 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____fsblkcnt_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__blksize_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__int8_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__int16_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_key_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____u_char in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__ino_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__size_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____uint32_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,493 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____intptr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____fsfilcnt64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_mutex_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__List in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__off_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__time_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_rwlock_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____socklen_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__lldiv_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____pthread_list_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_barrierattr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__uid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__register_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____int8_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__blkcnt_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__ulong in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_char in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____int16_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,495 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____swblk_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____u_long in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__ldiv_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pthread_once_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__gid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_quad_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_short in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_int64_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,496 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____dev_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____qaddr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____uint16_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____fsid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____blksize_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____caddr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__pid_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__fd_set in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__u_long in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,497 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____loff_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__suseconds_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i____u_short in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__daddr_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,498 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__clock_t in list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:13,516 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG355d2f361 [2018-03-28 13:28:13,520 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 13:28:13,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 13:28:13,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 13:28:13,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 13:28:13,532 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 13:28:13,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510825a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13, skipping insertion in model container [2018-03-28 13:28:13,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,552 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:28:13,580 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:28:13,747 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:28:13,796 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:28:13,803 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-03-28 13:28:13,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13 WrapperNode [2018-03-28 13:28:13,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 13:28:13,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 13:28:13,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 13:28:13,858 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 13:28:13,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (1/1) ... [2018-03-28 13:28:13,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 13:28:13,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 13:28:13,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 13:28:13,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 13:28:13,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:28:14,043 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 13:28:14,043 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 13:28:14,043 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__exit [2018-03-28 13:28:14,044 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 13:28:14,044 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-28 13:28:14,044 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 13:28:14,044 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 13:28:14,044 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 13:28:14,044 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 13:28:14,044 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 13:28:14,044 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 13:28:14,044 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 13:28:14,045 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 13:28:14,045 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 13:28:14,045 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 13:28:14,045 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 13:28:14,045 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 13:28:14,045 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 13:28:14,046 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 13:28:14,046 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 13:28:14,046 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 13:28:14,046 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 13:28:14,046 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 13:28:14,047 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 13:28:14,047 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 13:28:14,047 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 13:28:14,047 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 13:28:14,047 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 13:28:14,047 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 13:28:14,047 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 13:28:14,048 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 13:28:14,048 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 13:28:14,048 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 13:28:14,048 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 13:28:14,048 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 13:28:14,048 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 13:28:14,049 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 13:28:14,049 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 13:28:14,049 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 13:28:14,049 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 13:28:14,049 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 13:28:14,049 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 13:28:14,049 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 13:28:14,049 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 13:28:14,050 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 13:28:14,050 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 13:28:14,050 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 13:28:14,050 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 13:28:14,050 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 13:28:14,050 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 13:28:14,050 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 13:28:14,050 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 13:28:14,051 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 13:28:14,051 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 13:28:14,051 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 13:28:14,051 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 13:28:14,051 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 13:28:14,051 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 13:28:14,051 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 13:28:14,052 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 13:28:14,052 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 13:28:14,052 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 13:28:14,052 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 13:28:14,052 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 13:28:14,052 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 13:28:14,052 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 13:28:14,052 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 13:28:14,053 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flist_true_unreach_call_false_valid_memtrack_i__exit [2018-03-28 13:28:14,053 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 13:28:14,053 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 13:28:14,053 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-28 13:28:14,053 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 13:28:14,053 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 13:28:14,053 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 13:28:14,053 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 13:28:14,054 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 13:28:14,054 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 13:28:14,054 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 13:28:14,054 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 13:28:14,054 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 13:28:14,054 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 13:28:14,054 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 13:28:14,055 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 13:28:14,055 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 13:28:14,055 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 13:28:14,055 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 13:28:14,055 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 13:28:14,055 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 13:28:14,055 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 13:28:14,055 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 13:28:14,056 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 13:28:14,056 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 13:28:14,056 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 13:28:14,056 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 13:28:14,056 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 13:28:14,056 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 13:28:14,056 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 13:28:14,056 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 13:28:14,057 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 13:28:14,057 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 13:28:14,057 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 13:28:14,057 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 13:28:14,057 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 13:28:14,057 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 13:28:14,057 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 13:28:14,057 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 13:28:14,058 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 13:28:14,058 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 13:28:14,058 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 13:28:14,058 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 13:28:14,058 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-28 13:28:14,058 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-28 13:28:14,058 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 13:28:14,058 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 13:28:14,059 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 13:28:14,059 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 13:28:14,059 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 13:28:14,562 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 13:28:14,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:28:14 BoogieIcfgContainer [2018-03-28 13:28:14,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 13:28:14,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 13:28:14,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 13:28:14,567 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 13:28:14,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 01:28:13" (1/3) ... [2018-03-28 13:28:14,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc3d01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:28:14, skipping insertion in model container [2018-03-28 13:28:14,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:28:13" (2/3) ... [2018-03-28 13:28:14,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc3d01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:28:14, skipping insertion in model container [2018-03-28 13:28:14,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:28:14" (3/3) ... [2018-03-28 13:28:14,571 INFO L107 eAbstractionObserver]: Analyzing ICFG list_true-unreach-call_false-valid-memtrack.i [2018-03-28 13:28:14,581 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 13:28:14,589 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 25 error locations. [2018-03-28 13:28:14,629 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 13:28:14,630 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 13:28:14,630 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 13:28:14,630 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 13:28:14,630 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 13:28:14,630 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 13:28:14,630 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 13:28:14,630 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 13:28:14,630 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 13:28:14,631 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 13:28:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2018-03-28 13:28:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-03-28 13:28:14,652 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:14,653 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:14,653 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:14,658 INFO L82 PathProgramCache]: Analyzing trace with hash -2018343895, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:14,670 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:28:14,706 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:28:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:14,723 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:28:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:14,756 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:28:14,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-28 13:28:14,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-03-28 13:28:14,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-03-28 13:28:14,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-28 13:28:14,769 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 2 states. [2018-03-28 13:28:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:28:14,794 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2018-03-28 13:28:14,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-03-28 13:28:14,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-03-28 13:28:14,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:28:14,805 INFO L225 Difference]: With dead ends: 158 [2018-03-28 13:28:14,806 INFO L226 Difference]: Without dead ends: 85 [2018-03-28 13:28:14,810 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-03-28 13:28:14,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-03-28 13:28:14,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-03-28 13:28:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-03-28 13:28:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 88 transitions. [2018-03-28 13:28:14,850 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 88 transitions. Word has length 14 [2018-03-28 13:28:14,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:28:14,851 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 88 transitions. [2018-03-28 13:28:14,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-03-28 13:28:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2018-03-28 13:28:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-28 13:28:14,852 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:14,852 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:14,852 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:14,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1666141135, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:14,861 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:28:14,879 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:28:14,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:28:14,908 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:14,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:14,912 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:28:14,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:14,937 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:28:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:14,991 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:28:14,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 13:28:14,993 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 13:28:14,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 13:28:14,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 13:28:14,994 INFO L87 Difference]: Start difference. First operand 85 states and 88 transitions. Second operand 5 states. [2018-03-28 13:28:15,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:28:15,199 INFO L93 Difference]: Finished difference Result 112 states and 117 transitions. [2018-03-28 13:28:15,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:28:15,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-03-28 13:28:15,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:28:15,201 INFO L225 Difference]: With dead ends: 112 [2018-03-28 13:28:15,201 INFO L226 Difference]: Without dead ends: 100 [2018-03-28 13:28:15,204 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 13:28:15,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-03-28 13:28:15,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2018-03-28 13:28:15,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-03-28 13:28:15,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2018-03-28 13:28:15,216 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 16 [2018-03-28 13:28:15,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:28:15,216 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2018-03-28 13:28:15,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 13:28:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2018-03-28 13:28:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-28 13:28:15,217 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:15,217 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:15,218 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:15,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1666141136, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:15,231 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:28:15,249 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:28:15,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:28:15,261 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,269 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:28:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:15,304 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:28:15,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:15,424 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:28:15,424 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-28 13:28:15,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 13:28:15,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 13:28:15,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-28 13:28:15,425 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand 8 states. [2018-03-28 13:28:15,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:28:15,687 INFO L93 Difference]: Finished difference Result 137 states and 145 transitions. [2018-03-28 13:28:15,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 13:28:15,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-03-28 13:28:15,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:28:15,690 INFO L225 Difference]: With dead ends: 137 [2018-03-28 13:28:15,690 INFO L226 Difference]: Without dead ends: 125 [2018-03-28 13:28:15,690 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-03-28 13:28:15,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-03-28 13:28:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 113. [2018-03-28 13:28:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-03-28 13:28:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 120 transitions. [2018-03-28 13:28:15,701 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 120 transitions. Word has length 16 [2018-03-28 13:28:15,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:28:15,702 INFO L459 AbstractCegarLoop]: Abstraction has 113 states and 120 transitions. [2018-03-28 13:28:15,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 13:28:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 120 transitions. [2018-03-28 13:28:15,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 13:28:15,703 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:15,703 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:15,704 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:15,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1349216449, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:15,710 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:28:15,733 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:28:15,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:28:15,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,748 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:28:15,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:28:15,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:28:15,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,774 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-28 13:28:15,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 13:28:15,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-28 13:28:15,797 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:15,808 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-28 13:28:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:15,839 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:28:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:15,875 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:28:15,875 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-28 13:28:15,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 13:28:15,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 13:28:15,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-28 13:28:15,876 INFO L87 Difference]: Start difference. First operand 113 states and 120 transitions. Second operand 7 states. [2018-03-28 13:28:16,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:28:16,220 INFO L93 Difference]: Finished difference Result 230 states and 245 transitions. [2018-03-28 13:28:16,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-03-28 13:28:16,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-03-28 13:28:16,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:28:16,222 INFO L225 Difference]: With dead ends: 230 [2018-03-28 13:28:16,222 INFO L226 Difference]: Without dead ends: 227 [2018-03-28 13:28:16,222 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-03-28 13:28:16,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-03-28 13:28:16,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 119. [2018-03-28 13:28:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-03-28 13:28:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 129 transitions. [2018-03-28 13:28:16,233 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 129 transitions. Word has length 28 [2018-03-28 13:28:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:28:16,233 INFO L459 AbstractCegarLoop]: Abstraction has 119 states and 129 transitions. [2018-03-28 13:28:16,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 13:28:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 129 transitions. [2018-03-28 13:28:16,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 13:28:16,234 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:16,235 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:16,235 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:16,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1349216448, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:16,240 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:28:16,257 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:28:16,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:28:16,261 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,264 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:28:16,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:28:16,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:28:16,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,290 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:28:16,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:28:16,292 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,294 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,299 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-28 13:28:16,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 13:28:16,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-28 13:28:16,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,322 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-28 13:28:16,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-28 13:28:16,328 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,330 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,332 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,332 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-28 13:28:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:16,347 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:28:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:16,427 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:28:16,428 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-03-28 13:28:16,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 13:28:16,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 13:28:16,428 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-03-28 13:28:16,428 INFO L87 Difference]: Start difference. First operand 119 states and 129 transitions. Second operand 12 states. [2018-03-28 13:28:16,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:28:16,823 INFO L93 Difference]: Finished difference Result 234 states and 249 transitions. [2018-03-28 13:28:16,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-28 13:28:16,823 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-03-28 13:28:16,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:28:16,825 INFO L225 Difference]: With dead ends: 234 [2018-03-28 13:28:16,825 INFO L226 Difference]: Without dead ends: 227 [2018-03-28 13:28:16,825 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2018-03-28 13:28:16,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-03-28 13:28:16,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 98. [2018-03-28 13:28:16,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-03-28 13:28:16,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 104 transitions. [2018-03-28 13:28:16,831 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 104 transitions. Word has length 28 [2018-03-28 13:28:16,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:28:16,831 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 104 transitions. [2018-03-28 13:28:16,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 13:28:16,832 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2018-03-28 13:28:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-28 13:28:16,832 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:16,832 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:16,832 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:16,833 INFO L82 PathProgramCache]: Analyzing trace with hash -779265609, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:16,840 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:28:16,854 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:28:16,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 13:28:16,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 13:28:16,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,868 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,869 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,869 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-28 13:28:16,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 13:28:16,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-28 13:28:16,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,890 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-03-28 13:28:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:16,896 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:28:16,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-03-28 13:28:16,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-28 13:28:16,920 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,922 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 12 treesize of output 10 [2018-03-28 13:28:16,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-28 13:28:16,925 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,925 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:16,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 13:28:16,930 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-03-28 13:28:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:16,954 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:28:16,955 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2018-03-28 13:28:16,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 13:28:16,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 13:28:16,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-03-28 13:28:16,955 INFO L87 Difference]: Start difference. First operand 98 states and 104 transitions. Second operand 9 states. [2018-03-28 13:28:17,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:28:17,132 INFO L93 Difference]: Finished difference Result 254 states and 265 transitions. [2018-03-28 13:28:17,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-03-28 13:28:17,132 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-03-28 13:28:17,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:28:17,133 INFO L225 Difference]: With dead ends: 254 [2018-03-28 13:28:17,133 INFO L226 Difference]: Without dead ends: 222 [2018-03-28 13:28:17,134 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2018-03-28 13:28:17,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-03-28 13:28:17,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 132. [2018-03-28 13:28:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-03-28 13:28:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 147 transitions. [2018-03-28 13:28:17,146 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 147 transitions. Word has length 30 [2018-03-28 13:28:17,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:28:17,146 INFO L459 AbstractCegarLoop]: Abstraction has 132 states and 147 transitions. [2018-03-28 13:28:17,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 13:28:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 147 transitions. [2018-03-28 13:28:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-03-28 13:28:17,147 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:17,148 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:17,148 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:17,148 INFO L82 PathProgramCache]: Analyzing trace with hash 823057366, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:17,153 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:28:17,169 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:28:17,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:28:17,172 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,173 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:28:17,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:28:17,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:28:17,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-28 13:28:17,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 13:28:17,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-28 13:28:17,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,199 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,200 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-28 13:28:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:17,210 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:28:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:17,237 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:28:17,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-28 13:28:17,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 13:28:17,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 13:28:17,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-28 13:28:17,238 INFO L87 Difference]: Start difference. First operand 132 states and 147 transitions. Second operand 7 states. [2018-03-28 13:28:17,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:28:17,412 INFO L93 Difference]: Finished difference Result 178 states and 196 transitions. [2018-03-28 13:28:17,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 13:28:17,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-03-28 13:28:17,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:28:17,414 INFO L225 Difference]: With dead ends: 178 [2018-03-28 13:28:17,414 INFO L226 Difference]: Without dead ends: 176 [2018-03-28 13:28:17,414 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-03-28 13:28:17,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-03-28 13:28:17,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 130. [2018-03-28 13:28:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-03-28 13:28:17,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 143 transitions. [2018-03-28 13:28:17,428 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 143 transitions. Word has length 32 [2018-03-28 13:28:17,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:28:17,428 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 143 transitions. [2018-03-28 13:28:17,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 13:28:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 143 transitions. [2018-03-28 13:28:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-03-28 13:28:17,430 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:17,430 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:17,430 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:17,430 INFO L82 PathProgramCache]: Analyzing trace with hash 823057367, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:17,451 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:28:17,468 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:28:17,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:28:17,480 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,491 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:28:17,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:28:17,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:28:17,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,536 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 13:28:17,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-28 13:28:17,545 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,547 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,551 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-28 13:28:17,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 13:28:17,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-28 13:28:17,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,567 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-28 13:28:17,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-28 13:28:17,575 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,576 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:28:17,580 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-28 13:28:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:17,596 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:28:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:28:17,749 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:28:17,749 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-03-28 13:28:17,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 13:28:17,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 13:28:17,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-03-28 13:28:17,750 INFO L87 Difference]: Start difference. First operand 130 states and 143 transitions. Second operand 12 states. [2018-03-28 13:28:18,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:28:18,077 INFO L93 Difference]: Finished difference Result 178 states and 194 transitions. [2018-03-28 13:28:18,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 13:28:18,077 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 32 [2018-03-28 13:28:18,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:28:18,078 INFO L225 Difference]: With dead ends: 178 [2018-03-28 13:28:18,078 INFO L226 Difference]: Without dead ends: 174 [2018-03-28 13:28:18,079 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-03-28 13:28:18,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-03-28 13:28:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 102. [2018-03-28 13:28:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-03-28 13:28:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 109 transitions. [2018-03-28 13:28:18,086 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 109 transitions. Word has length 32 [2018-03-28 13:28:18,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:28:18,086 INFO L459 AbstractCegarLoop]: Abstraction has 102 states and 109 transitions. [2018-03-28 13:28:18,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 13:28:18,086 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2018-03-28 13:28:18,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 13:28:18,087 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:28:18,087 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:28:18,087 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr24EnsuresViolationMEMORY_LEAK, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-03-28 13:28:18,087 INFO L82 PathProgramCache]: Analyzing trace with hash -292180304, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:28:18,095 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:28:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-28 13:28:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-28 13:28:18,170 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-28 13:28:18,187 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-03-28 13:28:18,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 01:28:18 BoogieIcfgContainer [2018-03-28 13:28:18,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 13:28:18,206 INFO L168 Benchmark]: Toolchain (without parser) took 4685.15 ms. Allocated memory was 306.2 MB in the beginning and 523.2 MB in the end (delta: 217.1 MB). Free memory was 242.9 MB in the beginning and 380.6 MB in the end (delta: -137.7 MB). Peak memory consumption was 79.3 MB. Max. memory is 5.3 GB. [2018-03-28 13:28:18,207 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 306.2 MB. Free memory is still 268.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:28:18,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.25 ms. Allocated memory is still 306.2 MB. Free memory was 242.9 MB in the beginning and 217.9 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. [2018-03-28 13:28:18,208 INFO L168 Benchmark]: Boogie Preprocessor took 62.10 ms. Allocated memory is still 306.2 MB. Free memory was 217.9 MB in the beginning and 216.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:28:18,209 INFO L168 Benchmark]: RCFGBuilder took 642.20 ms. Allocated memory was 306.2 MB in the beginning and 471.3 MB in the end (delta: 165.2 MB). Free memory was 216.0 MB in the beginning and 402.2 MB in the end (delta: -186.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-03-28 13:28:18,209 INFO L168 Benchmark]: TraceAbstraction took 3641.19 ms. Allocated memory was 471.3 MB in the beginning and 523.2 MB in the end (delta: 51.9 MB). Free memory was 402.2 MB in the beginning and 380.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 73.5 MB. Max. memory is 5.3 GB. [2018-03-28 13:28:18,212 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 306.2 MB. Free memory is still 268.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 332.25 ms. Allocated memory is still 306.2 MB. Free memory was 242.9 MB in the beginning and 217.9 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 62.10 ms. Allocated memory is still 306.2 MB. Free memory was 217.9 MB in the beginning and 216.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 642.20 ms. Allocated memory was 306.2 MB in the beginning and 471.3 MB in the end (delta: 165.2 MB). Free memory was 216.0 MB in the beginning and 402.2 MB in the end (delta: -186.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3641.19 ms. Allocated memory was 471.3 MB in the beginning and 523.2 MB in the end (delta: 51.9 MB). Free memory was 402.2 MB in the beginning and 380.6 MB in the end (delta: 21.6 MB). Peak memory consumption was 73.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] EXPR, FCALL malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={9:0}] [L627] List a = (List) malloc(sizeof(struct node)); VAL [a={9:0}, malloc(sizeof(struct node))={9:0}] [L628] COND FALSE !(a == 0) VAL [a={9:0}, malloc(sizeof(struct node))={9:0}] [L629] List t; VAL [a={9:0}, malloc(sizeof(struct node))={9:0}] [L630] List p = a; VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}] [L638] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}] [L645] FCALL p->h = 3 VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}] [L646] p = a VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}] [L647] EXPR, FCALL p->h VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}, p->h=3] [L647] COND FALSE !(p->h == 1) VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}, p->h=3] [L649] EXPR, FCALL p->h VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}, p->h=3] [L649] COND FALSE !(p->h == 2) VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}, p->h=3] [L651] EXPR, FCALL p->h VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}, p->h=3] [L651] COND FALSE !(p->h != 3) VAL [a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}, p->h=3] [L653] return 0; VAL [\result=0, a={9:0}, malloc(sizeof(struct node))={9:0}, p={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 25 error locations. UNSAFE Result, 3.5s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 622 SDtfs, 1630 SDslu, 1945 SDs, 0 SdLazy, 1426 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 462 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 36622 SizeOfPredicates, 58 NumberOfNonLiveVariables, 647 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_13-28-18-222.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/list_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_13-28-18-222.csv Received shutdown request...