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/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 20:05:05,025 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 20:05:05,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 20:05:05,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-09 20:05:05,068 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 20:05:05,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 20:05:05,091 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 20:05:05,091 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 20:05:05,092 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 20:05:05,092 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 20:05:05,092 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 20:05:05,093 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 20:05:05,093 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 20:05:05,093 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 20:05:05,093 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 20:05:05,093 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 20:05:05,093 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 20:05:05,094 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 20:05:05,094 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 20:05:05,094 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 20:05:05,094 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 20:05:05,094 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 20:05:05,094 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 20:05:05,095 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 20:05:05,095 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 20:05:05,095 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 20:05:05,095 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 20:05:05,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 20:05:05,095 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 20:05:05,096 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 20:05:05,096 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 20:05:05,096 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:05:05,096 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 20:05:05,096 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 20:05:05,097 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 20:05:05,097 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 20:05:05,097 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 20:05:05,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:05,097 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 20:05:05,098 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 20:05:05,098 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 20:05:05,098 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 20:05:05,098 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 20:05:05,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 20:05:05,141 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 20:05:05,144 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 20:05:05,146 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 20:05:05,146 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 20:05:05,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,480 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf3ef7b386 [2018-04-09 20:05:05,646 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 20:05:05,646 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 20:05:05,646 INFO L168 CDTParser]: Scanning java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,657 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 20:05:05,657 INFO L215 ultiparseSymbolTable]: [2018-04-09 20:05:05,657 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 20:05:05,658 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,658 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,658 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,658 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sort ('sort') in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,658 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 20:05:05,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____off_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____quad_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____ino64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____uint16_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____fsid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____gid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__daddr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_long in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,659 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____u_quad_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__fd_mask in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____loff_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__clock_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__suseconds_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__clockid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__fsid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,660 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____key_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____uint8_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____clock_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_quad_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__ushort in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____off64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,661 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__loff_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__int64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____pid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____daddr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__nlink_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____fd_mask in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__uint in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____uid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____id_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____int64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____uint64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_int8_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____u_int in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____useconds_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__time_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_int32_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sigset_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____fsword_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__dev_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__ssize_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__id_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____mode_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__int8_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__ino_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__size_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____intptr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__ldiv_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__off_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____nlink_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__int32_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____u_short in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____ssize_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____socklen_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__key_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__timer_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__register_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____rlim_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_int in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____int8_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____int32_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____rlim64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____time_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____timer_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_int64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____suseconds_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____qaddr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__int16_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__blksize_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____u_char in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__wchar_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____blksize_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____caddr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__fd_set in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____uint32_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____clockid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__lldiv_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____dev_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__uid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_int16_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__ulong in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__mode_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_char in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__quad_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__div_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____u_long in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____int16_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__gid_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__u_short in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____sigset_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____ino_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__caddr_t in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:05,690 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf3ef7b386 [2018-04-09 20:05:05,694 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 20:05:05,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 20:05:05,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 20:05:05,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 20:05:05,704 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 20:05:05,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:05:05" (1/1) ... [2018-04-09 20:05:05,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be12ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:05, skipping insertion in model container [2018-04-09 20:05:05,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:05:05" (1/1) ... [2018-04-09 20:05:05,722 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:05:05,752 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:05:05,931 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:05:05,976 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:05:05,984 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-09 20:05:06,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06 WrapperNode [2018-04-09 20:05:06,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 20:05:06,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 20:05:06,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 20:05:06,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 20:05:06,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (1/1) ... [2018-04-09 20:05:06,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (1/1) ... [2018-04-09 20:05:06,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (1/1) ... [2018-04-09 20:05:06,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (1/1) ... [2018-04-09 20:05:06,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (1/1) ... [2018-04-09 20:05:06,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (1/1) ... [2018-04-09 20:05:06,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (1/1) ... [2018-04-09 20:05:06,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 20:05:06,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 20:05:06,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 20:05:06,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 20:05:06,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:05:06,212 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 20:05:06,212 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 20:05:06,212 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 20:05:06,212 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 20:05:06,212 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sort [2018-04-09 20:05:06,212 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 20:05:06,213 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 20:05:06,213 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 20:05:06,213 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 20:05:06,213 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 20:05:06,213 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 20:05:06,213 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 20:05:06,213 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 20:05:06,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 20:05:06,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 20:05:06,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 20:05:06,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 20:05:06,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 20:05:06,215 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 20:05:06,215 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 20:05:06,215 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 20:05:06,215 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 20:05:06,215 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 20:05:06,215 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 20:05:06,216 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 20:05:06,216 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 20:05:06,216 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 20:05:06,216 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 20:05:06,216 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 20:05:06,216 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 20:05:06,217 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 20:05:06,217 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 20:05:06,217 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 20:05:06,217 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 20:05:06,217 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 20:05:06,217 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 20:05:06,217 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 20:05:06,217 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 20:05:06,218 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 20:05:06,218 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 20:05:06,218 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 20:05:06,218 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 20:05:06,218 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 20:05:06,218 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 20:05:06,218 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 20:05:06,219 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 20:05:06,219 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 20:05:06,219 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 20:05:06,219 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 20:05:06,219 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 20:05:06,219 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 20:05:06,219 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 20:05:06,220 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 20:05:06,220 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 20:05:06,220 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 20:05:06,220 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 20:05:06,220 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 20:05:06,220 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 20:05:06,220 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 20:05:06,220 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 20:05:06,221 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 20:05:06,221 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 20:05:06,221 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 20:05:06,221 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 20:05:06,221 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 20:05:06,221 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 20:05:06,221 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 20:05:06,222 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 20:05:06,222 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 20:05:06,222 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 20:05:06,222 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 20:05:06,222 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 20:05:06,222 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 20:05:06,222 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 20:05:06,223 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 20:05:06,223 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 20:05:06,223 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 20:05:06,223 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 20:05:06,223 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 20:05:06,223 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 20:05:06,223 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 20:05:06,223 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 20:05:06,224 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 20:05:06,224 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 20:05:06,224 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 20:05:06,224 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 20:05:06,224 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 20:05:06,224 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 20:05:06,224 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 20:05:06,225 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 20:05:06,225 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 20:05:06,225 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 20:05:06,225 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 20:05:06,225 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 20:05:06,225 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 20:05:06,225 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 20:05:06,225 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 20:05:06,226 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 20:05:06,226 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 20:05:06,226 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 20:05:06,226 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 20:05:06,226 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 20:05:06,226 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 20:05:06,226 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 20:05:06,226 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 20:05:06,227 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 20:05:06,227 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 20:05:06,227 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 20:05:06,227 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 20:05:06,227 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sort [2018-04-09 20:05:06,227 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 20:05:06,227 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 20:05:06,228 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 20:05:06,228 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 20:05:06,228 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 20:05:06,228 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 20:05:06,228 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 20:05:06,228 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 20:05:06,569 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 20:05:06,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:05:06 BoogieIcfgContainer [2018-04-09 20:05:06,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 20:05:06,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 20:05:06,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 20:05:06,574 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 20:05:06,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 08:05:05" (1/3) ... [2018-04-09 20:05:06,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6404fe62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:05:06, skipping insertion in model container [2018-04-09 20:05:06,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:05:06" (2/3) ... [2018-04-09 20:05:06,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6404fe62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:05:06, skipping insertion in model container [2018-04-09 20:05:06,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:05:06" (3/3) ... [2018-04-09 20:05:06,577 INFO L107 eAbstractionObserver]: Analyzing ICFG java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-09 20:05:06,587 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 20:05:06,593 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-09 20:05:06,637 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 20:05:06,637 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 20:05:06,637 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 20:05:06,638 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 20:05:06,638 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 20:05:06,638 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 20:05:06,638 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 20:05:06,638 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 20:05:06,638 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 20:05:06,639 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 20:05:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-04-09 20:05:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-09 20:05:06,660 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:06,660 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:06,660 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:06,664 INFO L82 PathProgramCache]: Analyzing trace with hash 820814923, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:06,678 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:06,723 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:06,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:05:06,770 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:06,781 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:05:06,781 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 20:05:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:06,822 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:06,865 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:05:06,865 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 20:05:06,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 20:05:06,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 20:05:06,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 20:05:06,879 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2018-04-09 20:05:07,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:07,064 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2018-04-09 20:05:07,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:05:07,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-09 20:05:07,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:07,077 INFO L225 Difference]: With dead ends: 107 [2018-04-09 20:05:07,078 INFO L226 Difference]: Without dead ends: 57 [2018-04-09 20:05:07,082 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:05:07,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-09 20:05:07,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-09 20:05:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-09 20:05:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-09 20:05:07,128 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 24 [2018-04-09 20:05:07,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:07,129 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-09 20:05:07,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 20:05:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-09 20:05:07,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-09 20:05:07,130 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:07,130 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:07,130 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:07,131 INFO L82 PathProgramCache]: Analyzing trace with hash 820814924, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:07,137 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:07,159 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:07,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 20:05:07,192 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:07,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:05:07,198 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-09 20:05:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:07,641 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:07,919 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:05:07,919 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2018-04-09 20:05:07,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-09 20:05:07,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-09 20:05:07,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2018-04-09 20:05:07,922 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 18 states. [2018-04-09 20:05:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:08,676 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2018-04-09 20:05:08,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-09 20:05:08,677 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 24 [2018-04-09 20:05:08,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:08,681 INFO L225 Difference]: With dead ends: 138 [2018-04-09 20:05:08,681 INFO L226 Difference]: Without dead ends: 132 [2018-04-09 20:05:08,683 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2018-04-09 20:05:08,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-09 20:05:08,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 69. [2018-04-09 20:05:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-09 20:05:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-04-09 20:05:08,696 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 24 [2018-04-09 20:05:08,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:08,697 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2018-04-09 20:05:08,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-09 20:05:08,698 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2018-04-09 20:05:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 20:05:08,699 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:08,699 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] [2018-04-09 20:05:08,699 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:08,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1675800913, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:08,708 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:08,726 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:08,742 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:05:08,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-09 20:05:08,744 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:08,745 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:08,746 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-09 20:05:08,764 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc9.base| Int)) (and (= (store |c_old(#valid)| |main_#t~malloc9.base| 0) |c_#valid|) (= 0 (select |c_old(#valid)| |main_#t~malloc9.base|)))) is different from true [2018-04-09 20:05:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:08,767 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:08,784 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc9.base_8| Int)) (or (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc9.base_8| 0)) (not (= (select |c_#valid| |v_main_#t~malloc9.base_8|) 0)))) is different from false [2018-04-09 20:05:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:08,815 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:05:08,815 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-09 20:05:08,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 20:05:08,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 20:05:08,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-09 20:05:08,816 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 8 states. [2018-04-09 20:05:08,824 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc9.base_8| Int)) (or (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc9.base_8| 0)) (not (= (select |c_#valid| |v_main_#t~malloc9.base_8|) 0))))) is different from false [2018-04-09 20:05:08,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:08,960 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-09 20:05:08,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:05:08,960 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-04-09 20:05:08,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:08,963 INFO L225 Difference]: With dead ends: 77 [2018-04-09 20:05:08,963 INFO L226 Difference]: Without dead ends: 72 [2018-04-09 20:05:08,964 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-09 20:05:08,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-09 20:05:08,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-04-09 20:05:08,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-09 20:05:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 77 transitions. [2018-04-09 20:05:08,978 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 77 transitions. Word has length 26 [2018-04-09 20:05:08,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:08,979 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 77 transitions. [2018-04-09 20:05:08,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 20:05:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2018-04-09 20:05:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 20:05:08,980 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:08,980 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:08,980 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:08,981 INFO L82 PathProgramCache]: Analyzing trace with hash 871621903, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:08,990 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:09,009 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:09,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:05:09,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-09 20:05:09,030 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:09,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:09,031 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-09 20:05:09,064 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc9.base| Int)) (and (= (store |c_old(#valid)| |main_#t~malloc9.base| 0) |c_#valid|) (= 0 (select |c_old(#valid)| |main_#t~malloc9.base|)))) is different from true [2018-04-09 20:05:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:09,066 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:09,077 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc9.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc9.base_10|))) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc9.base_10| 0)))) is different from false [2018-04-09 20:05:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:09,107 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:05:09,107 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-09 20:05:09,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 20:05:09,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 20:05:09,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-09 20:05:09,108 INFO L87 Difference]: Start difference. First operand 72 states and 77 transitions. Second operand 8 states. [2018-04-09 20:05:09,115 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc9.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc9.base_10|))) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc9.base_10| 0))))) is different from false [2018-04-09 20:05:09,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:09,256 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-04-09 20:05:09,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:05:09,256 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-04-09 20:05:09,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:09,257 INFO L225 Difference]: With dead ends: 72 [2018-04-09 20:05:09,257 INFO L226 Difference]: Without dead ends: 65 [2018-04-09 20:05:09,257 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-09 20:05:09,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-09 20:05:09,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 62. [2018-04-09 20:05:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-09 20:05:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2018-04-09 20:05:09,266 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 27 [2018-04-09 20:05:09,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:09,266 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2018-04-09 20:05:09,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 20:05:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2018-04-09 20:05:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-09 20:05:09,267 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:09,267 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:09,268 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:09,268 INFO L82 PathProgramCache]: Analyzing trace with hash 331799200, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:09,274 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:09,291 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:09,359 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:09,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-09 20:05:09,403 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:09,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:05:09,406 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:8 [2018-04-09 20:05:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:09,525 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:05:09,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2018-04-09 20:05:09,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-09 20:05:09,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-09 20:05:09,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-04-09 20:05:09,526 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 18 states. [2018-04-09 20:05:09,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:09,852 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2018-04-09 20:05:09,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-09 20:05:09,852 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2018-04-09 20:05:09,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:09,853 INFO L225 Difference]: With dead ends: 85 [2018-04-09 20:05:09,853 INFO L226 Difference]: Without dead ends: 82 [2018-04-09 20:05:09,854 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2018-04-09 20:05:09,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-09 20:05:09,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 49. [2018-04-09 20:05:09,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-09 20:05:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-04-09 20:05:09,860 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 34 [2018-04-09 20:05:09,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:09,861 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-04-09 20:05:09,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-09 20:05:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-04-09 20:05:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-09 20:05:09,862 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:09,862 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:09,862 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:09,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1695840600, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:09,870 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:09,884 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:09,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 20:05:09,888 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:09,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:05:09,891 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-09 20:05:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-09 20:05:10,026 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-09 20:05:10,288 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:10,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2018-04-09 20:05:10,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-09 20:05:10,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-09 20:05:10,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-04-09 20:05:10,289 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 18 states. [2018-04-09 20:05:10,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:10,611 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2018-04-09 20:05:10,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 20:05:10,611 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 35 [2018-04-09 20:05:10,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:10,612 INFO L225 Difference]: With dead ends: 78 [2018-04-09 20:05:10,612 INFO L226 Difference]: Without dead ends: 77 [2018-04-09 20:05:10,613 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2018-04-09 20:05:10,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-09 20:05:10,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2018-04-09 20:05:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-09 20:05:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 77 transitions. [2018-04-09 20:05:10,623 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 77 transitions. Word has length 35 [2018-04-09 20:05:10,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:10,624 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 77 transitions. [2018-04-09 20:05:10,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-09 20:05:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2018-04-09 20:05:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-09 20:05:10,625 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:10,626 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:10,626 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:10,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1208868474, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:10,637 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:10,659 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-09 20:05:10,674 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-09 20:05:10,726 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:05:10,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-04-09 20:05:10,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 20:05:10,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 20:05:10,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 20:05:10,727 INFO L87 Difference]: Start difference. First operand 71 states and 77 transitions. Second operand 5 states. [2018-04-09 20:05:10,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:10,774 INFO L93 Difference]: Finished difference Result 133 states and 145 transitions. [2018-04-09 20:05:10,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 20:05:10,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-04-09 20:05:10,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:10,775 INFO L225 Difference]: With dead ends: 133 [2018-04-09 20:05:10,775 INFO L226 Difference]: Without dead ends: 103 [2018-04-09 20:05:10,776 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-09 20:05:10,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-09 20:05:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 73. [2018-04-09 20:05:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-09 20:05:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2018-04-09 20:05:10,788 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 78 transitions. Word has length 43 [2018-04-09 20:05:10,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:10,789 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 78 transitions. [2018-04-09 20:05:10,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 20:05:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2018-04-09 20:05:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-09 20:05:10,790 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:10,790 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:10,790 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:10,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1193968306, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:10,798 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:10,821 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-09 20:05:10,882 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-09 20:05:10,929 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:10,929 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-04-09 20:05:10,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 20:05:10,930 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 20:05:10,930 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-09 20:05:10,930 INFO L87 Difference]: Start difference. First operand 73 states and 78 transitions. Second operand 8 states. [2018-04-09 20:05:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:11,052 INFO L93 Difference]: Finished difference Result 177 states and 190 transitions. [2018-04-09 20:05:11,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 20:05:11,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-04-09 20:05:11,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:11,054 INFO L225 Difference]: With dead ends: 177 [2018-04-09 20:05:11,054 INFO L226 Difference]: Without dead ends: 142 [2018-04-09 20:05:11,055 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 95 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-04-09 20:05:11,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-09 20:05:11,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2018-04-09 20:05:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-04-09 20:05:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 116 transitions. [2018-04-09 20:05:11,073 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 116 transitions. Word has length 53 [2018-04-09 20:05:11,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:11,073 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 116 transitions. [2018-04-09 20:05:11,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 20:05:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 116 transitions. [2018-04-09 20:05:11,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-09 20:05:11,075 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:11,075 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:11,075 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:11,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1869372638, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:11,086 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:11,111 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:11,177 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:11,178 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:11,253 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:11,253 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 16 [2018-04-09 20:05:11,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-09 20:05:11,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-09 20:05:11,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-04-09 20:05:11,254 INFO L87 Difference]: Start difference. First operand 109 states and 116 transitions. Second operand 16 states. [2018-04-09 20:05:11,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:11,519 INFO L93 Difference]: Finished difference Result 255 states and 272 transitions. [2018-04-09 20:05:11,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-09 20:05:11,519 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2018-04-09 20:05:11,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:11,520 INFO L225 Difference]: With dead ends: 255 [2018-04-09 20:05:11,521 INFO L226 Difference]: Without dead ends: 181 [2018-04-09 20:05:11,522 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 104 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2018-04-09 20:05:11,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-04-09 20:05:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 147. [2018-04-09 20:05:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-04-09 20:05:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2018-04-09 20:05:11,538 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 63 [2018-04-09 20:05:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:11,538 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2018-04-09 20:05:11,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-09 20:05:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2018-04-09 20:05:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-09 20:05:11,539 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:11,539 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:11,539 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:11,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1374973962, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:11,548 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:11,573 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 31 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:11,685 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:11,789 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:11,790 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:11,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:11,800 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 19 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:11,847 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:11,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2018-04-09 20:05:11,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-09 20:05:11,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-09 20:05:11,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-04-09 20:05:11,848 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand 17 states. [2018-04-09 20:05:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:12,332 INFO L93 Difference]: Finished difference Result 148 states and 157 transitions. [2018-04-09 20:05:12,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-09 20:05:12,332 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 73 [2018-04-09 20:05:12,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:12,333 INFO L225 Difference]: With dead ends: 148 [2018-04-09 20:05:12,333 INFO L226 Difference]: Without dead ends: 147 [2018-04-09 20:05:12,334 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 126 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2018-04-09 20:05:12,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-09 20:05:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-04-09 20:05:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-04-09 20:05:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 156 transitions. [2018-04-09 20:05:12,346 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 156 transitions. Word has length 73 [2018-04-09 20:05:12,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:12,346 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 156 transitions. [2018-04-09 20:05:12,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-09 20:05:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2018-04-09 20:05:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-09 20:05:12,347 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:12,347 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:12,347 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:12,347 INFO L82 PathProgramCache]: Analyzing trace with hash 34571958, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:12,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:12,379 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 27 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:12,507 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 27 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:12,639 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:12,639 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2018-04-09 20:05:12,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-09 20:05:12,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-09 20:05:12,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2018-04-09 20:05:12,640 INFO L87 Difference]: Start difference. First operand 147 states and 156 transitions. Second operand 22 states. [2018-04-09 20:05:13,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:13,061 INFO L93 Difference]: Finished difference Result 331 states and 352 transitions. [2018-04-09 20:05:13,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-09 20:05:13,062 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 83 [2018-04-09 20:05:13,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:13,063 INFO L225 Difference]: With dead ends: 331 [2018-04-09 20:05:13,063 INFO L226 Difference]: Without dead ends: 219 [2018-04-09 20:05:13,064 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 136 SyntacticMatches, 10 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=1192, Unknown=0, NotChecked=0, Total=1482 [2018-04-09 20:05:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-04-09 20:05:13,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 185. [2018-04-09 20:05:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-09 20:05:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 197 transitions. [2018-04-09 20:05:13,077 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 197 transitions. Word has length 83 [2018-04-09 20:05:13,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:13,077 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 197 transitions. [2018-04-09 20:05:13,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-09 20:05:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 197 transitions. [2018-04-09 20:05:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-09 20:05:13,078 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:13,079 INFO L355 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:13,079 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:13,079 INFO L82 PathProgramCache]: Analyzing trace with hash -719696926, now seen corresponding path program 6 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:13,085 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:13,120 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 63 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:13,311 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:13,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:13,477 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:13,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:13,481 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 42 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:13,576 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:13,576 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2018-04-09 20:05:13,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-09 20:05:13,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-09 20:05:13,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2018-04-09 20:05:13,578 INFO L87 Difference]: Start difference. First operand 185 states and 197 transitions. Second operand 23 states. [2018-04-09 20:05:14,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:14,396 INFO L93 Difference]: Finished difference Result 186 states and 197 transitions. [2018-04-09 20:05:14,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-09 20:05:14,396 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 93 [2018-04-09 20:05:14,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:14,397 INFO L225 Difference]: With dead ends: 186 [2018-04-09 20:05:14,397 INFO L226 Difference]: Without dead ends: 185 [2018-04-09 20:05:14,398 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 158 SyntacticMatches, 7 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=386, Invalid=1506, Unknown=0, NotChecked=0, Total=1892 [2018-04-09 20:05:14,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-04-09 20:05:14,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-04-09 20:05:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-09 20:05:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 196 transitions. [2018-04-09 20:05:14,410 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 196 transitions. Word has length 93 [2018-04-09 20:05:14,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:14,410 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 196 transitions. [2018-04-09 20:05:14,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-09 20:05:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 196 transitions. [2018-04-09 20:05:14,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-09 20:05:14,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:14,411 INFO L355 BasicCegarLoop]: trace histogram [9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:14,412 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:14,412 INFO L82 PathProgramCache]: Analyzing trace with hash -522816370, now seen corresponding path program 7 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:14,421 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:14,447 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 53 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:14,583 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 53 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:14,736 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:14,736 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 28 [2018-04-09 20:05:14,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-09 20:05:14,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-09 20:05:14,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2018-04-09 20:05:14,737 INFO L87 Difference]: Start difference. First operand 185 states and 196 transitions. Second operand 28 states. [2018-04-09 20:05:15,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:15,246 INFO L93 Difference]: Finished difference Result 407 states and 432 transitions. [2018-04-09 20:05:15,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-09 20:05:15,246 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 103 [2018-04-09 20:05:15,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:15,247 INFO L225 Difference]: With dead ends: 407 [2018-04-09 20:05:15,247 INFO L226 Difference]: Without dead ends: 257 [2018-04-09 20:05:15,248 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 168 SyntacticMatches, 12 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=454, Invalid=1996, Unknown=0, NotChecked=0, Total=2450 [2018-04-09 20:05:15,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-04-09 20:05:15,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 223. [2018-04-09 20:05:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-09 20:05:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 237 transitions. [2018-04-09 20:05:15,268 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 237 transitions. Word has length 103 [2018-04-09 20:05:15,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:15,268 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 237 transitions. [2018-04-09 20:05:15,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-09 20:05:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 237 transitions. [2018-04-09 20:05:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-09 20:05:15,270 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:15,270 INFO L355 BasicCegarLoop]: trace histogram [10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:15,270 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:15,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1441338438, now seen corresponding path program 8 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:15,276 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:15,303 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 105 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:15,515 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:15,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:15,735 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:15,738 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:15,738 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 75 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:15,824 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:15,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2018-04-09 20:05:15,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-09 20:05:15,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-09 20:05:15,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=686, Unknown=0, NotChecked=0, Total=812 [2018-04-09 20:05:15,826 INFO L87 Difference]: Start difference. First operand 223 states and 237 transitions. Second operand 29 states. [2018-04-09 20:05:16,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:16,752 INFO L93 Difference]: Finished difference Result 224 states and 237 transitions. [2018-04-09 20:05:16,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-09 20:05:16,753 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 113 [2018-04-09 20:05:16,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:16,754 INFO L225 Difference]: With dead ends: 224 [2018-04-09 20:05:16,754 INFO L226 Difference]: Without dead ends: 223 [2018-04-09 20:05:16,755 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 190 SyntacticMatches, 9 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=581, Invalid=2499, Unknown=0, NotChecked=0, Total=3080 [2018-04-09 20:05:16,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-04-09 20:05:16,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-04-09 20:05:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-09 20:05:16,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 236 transitions. [2018-04-09 20:05:16,774 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 236 transitions. Word has length 113 [2018-04-09 20:05:16,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:16,774 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 236 transitions. [2018-04-09 20:05:16,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-09 20:05:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 236 transitions. [2018-04-09 20:05:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-04-09 20:05:16,775 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:16,775 INFO L355 BasicCegarLoop]: trace histogram [11, 10, 10, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:16,776 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:16,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1456416358, now seen corresponding path program 9 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:16,784 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:16,814 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 89 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:17,006 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 89 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:17,210 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:17,211 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2018-04-09 20:05:17,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-09 20:05:17,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-09 20:05:17,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=956, Unknown=0, NotChecked=0, Total=1122 [2018-04-09 20:05:17,212 INFO L87 Difference]: Start difference. First operand 223 states and 236 transitions. Second operand 34 states. [2018-04-09 20:05:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:17,841 INFO L93 Difference]: Finished difference Result 483 states and 512 transitions. [2018-04-09 20:05:17,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-09 20:05:17,841 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 123 [2018-04-09 20:05:17,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:17,843 INFO L225 Difference]: With dead ends: 483 [2018-04-09 20:05:17,843 INFO L226 Difference]: Without dead ends: 295 [2018-04-09 20:05:17,845 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 200 SyntacticMatches, 14 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=653, Invalid=3007, Unknown=0, NotChecked=0, Total=3660 [2018-04-09 20:05:17,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-04-09 20:05:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 261. [2018-04-09 20:05:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-09 20:05:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 277 transitions. [2018-04-09 20:05:17,862 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 277 transitions. Word has length 123 [2018-04-09 20:05:17,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:17,862 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 277 transitions. [2018-04-09 20:05:17,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-09 20:05:17,863 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 277 transitions. [2018-04-09 20:05:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-04-09 20:05:17,863 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:17,864 INFO L355 BasicCegarLoop]: trace histogram [12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:17,864 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:17,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1148735378, now seen corresponding path program 10 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:17,873 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:17,906 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 157 proven. 358 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:18,181 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:18,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:18,423 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:18,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:18,426 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 118 proven. 397 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:18,521 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:18,521 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2018-04-09 20:05:18,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-09 20:05:18,522 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-09 20:05:18,522 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1016, Unknown=0, NotChecked=0, Total=1190 [2018-04-09 20:05:18,522 INFO L87 Difference]: Start difference. First operand 261 states and 277 transitions. Second operand 35 states. [2018-04-09 20:05:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:19,719 INFO L93 Difference]: Finished difference Result 262 states and 277 transitions. [2018-04-09 20:05:19,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-09 20:05:19,720 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 133 [2018-04-09 20:05:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:19,721 INFO L225 Difference]: With dead ends: 262 [2018-04-09 20:05:19,721 INFO L226 Difference]: Without dead ends: 261 [2018-04-09 20:05:19,722 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 222 SyntacticMatches, 11 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=816, Invalid=3740, Unknown=0, NotChecked=0, Total=4556 [2018-04-09 20:05:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-04-09 20:05:19,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-04-09 20:05:19,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-09 20:05:19,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 276 transitions. [2018-04-09 20:05:19,740 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 276 transitions. Word has length 133 [2018-04-09 20:05:19,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:19,740 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 276 transitions. [2018-04-09 20:05:19,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-09 20:05:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 276 transitions. [2018-04-09 20:05:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-04-09 20:05:19,742 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:19,742 INFO L355 BasicCegarLoop]: trace histogram [13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:19,742 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:19,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1040686142, now seen corresponding path program 11 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:19,751 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:19,795 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 135 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:20,039 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 135 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:20,315 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:20,315 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 40 [2018-04-09 20:05:20,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-09 20:05:20,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-09 20:05:20,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1338, Unknown=0, NotChecked=0, Total=1560 [2018-04-09 20:05:20,316 INFO L87 Difference]: Start difference. First operand 261 states and 276 transitions. Second operand 40 states. [2018-04-09 20:05:21,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:21,840 INFO L93 Difference]: Finished difference Result 559 states and 592 transitions. [2018-04-09 20:05:21,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-09 20:05:21,841 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 143 [2018-04-09 20:05:21,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:21,843 INFO L225 Difference]: With dead ends: 559 [2018-04-09 20:05:21,843 INFO L226 Difference]: Without dead ends: 333 [2018-04-09 20:05:21,845 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 232 SyntacticMatches, 16 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=887, Invalid=4225, Unknown=0, NotChecked=0, Total=5112 [2018-04-09 20:05:21,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-04-09 20:05:21,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 299. [2018-04-09 20:05:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-04-09 20:05:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 317 transitions. [2018-04-09 20:05:21,875 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 317 transitions. Word has length 143 [2018-04-09 20:05:21,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:21,875 INFO L459 AbstractCegarLoop]: Abstraction has 299 states and 317 transitions. [2018-04-09 20:05:21,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-09 20:05:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 317 transitions. [2018-04-09 20:05:21,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-04-09 20:05:21,877 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:21,877 INFO L355 BasicCegarLoop]: trace histogram [14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:21,877 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:21,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1724675946, now seen corresponding path program 12 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:21,896 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:21,938 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 219 proven. 518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:22,318 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:22,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:22,666 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:22,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:22,669 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:22,782 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 171 proven. 566 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:22,803 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:22,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2018-04-09 20:05:22,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-09 20:05:22,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-09 20:05:22,804 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1410, Unknown=0, NotChecked=0, Total=1640 [2018-04-09 20:05:22,805 INFO L87 Difference]: Start difference. First operand 299 states and 317 transitions. Second operand 41 states. [2018-04-09 20:05:24,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:24,190 INFO L93 Difference]: Finished difference Result 300 states and 317 transitions. [2018-04-09 20:05:24,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-09 20:05:24,190 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 153 [2018-04-09 20:05:24,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:24,191 INFO L225 Difference]: With dead ends: 300 [2018-04-09 20:05:24,192 INFO L226 Difference]: Without dead ends: 299 [2018-04-09 20:05:24,193 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 254 SyntacticMatches, 13 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1918 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1091, Invalid=5229, Unknown=0, NotChecked=0, Total=6320 [2018-04-09 20:05:24,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-04-09 20:05:24,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-04-09 20:05:24,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-04-09 20:05:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 316 transitions. [2018-04-09 20:05:24,211 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 316 transitions. Word has length 153 [2018-04-09 20:05:24,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:24,211 INFO L459 AbstractCegarLoop]: Abstraction has 299 states and 316 transitions. [2018-04-09 20:05:24,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-09 20:05:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 316 transitions. [2018-04-09 20:05:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-04-09 20:05:24,212 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:24,212 INFO L355 BasicCegarLoop]: trace histogram [15, 14, 14, 13, 13, 13, 13, 13, 13, 13, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:24,212 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:24,212 INFO L82 PathProgramCache]: Analyzing trace with hash -7481834, now seen corresponding path program 13 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:24,226 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:24,275 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 191 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:24,744 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 191 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:25,083 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:25,083 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 46 [2018-04-09 20:05:25,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-09 20:05:25,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-09 20:05:25,087 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1784, Unknown=0, NotChecked=0, Total=2070 [2018-04-09 20:05:25,087 INFO L87 Difference]: Start difference. First operand 299 states and 316 transitions. Second operand 46 states. [2018-04-09 20:05:26,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:26,182 INFO L93 Difference]: Finished difference Result 635 states and 672 transitions. [2018-04-09 20:05:26,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-09 20:05:26,183 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 163 [2018-04-09 20:05:26,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:26,185 INFO L225 Difference]: With dead ends: 635 [2018-04-09 20:05:26,185 INFO L226 Difference]: Without dead ends: 371 [2018-04-09 20:05:26,188 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 264 SyntacticMatches, 18 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1894 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1156, Invalid=5650, Unknown=0, NotChecked=0, Total=6806 [2018-04-09 20:05:26,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-04-09 20:05:26,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 337. [2018-04-09 20:05:26,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-09 20:05:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 357 transitions. [2018-04-09 20:05:26,221 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 357 transitions. Word has length 163 [2018-04-09 20:05:26,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:26,221 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 357 transitions. [2018-04-09 20:05:26,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-09 20:05:26,221 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 357 transitions. [2018-04-09 20:05:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-04-09 20:05:26,223 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:26,223 INFO L355 BasicCegarLoop]: trace histogram [16, 15, 15, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:26,223 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:26,223 INFO L82 PathProgramCache]: Analyzing trace with hash 581002050, now seen corresponding path program 14 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:26,230 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:26,275 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 291 proven. 708 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:26,709 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:27,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:27,077 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:27,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:27,079 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 234 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:27,229 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:27,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2018-04-09 20:05:27,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-09 20:05:27,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-09 20:05:27,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=1868, Unknown=0, NotChecked=0, Total=2162 [2018-04-09 20:05:27,231 INFO L87 Difference]: Start difference. First operand 337 states and 357 transitions. Second operand 47 states. [2018-04-09 20:05:29,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:29,032 INFO L93 Difference]: Finished difference Result 338 states and 357 transitions. [2018-04-09 20:05:29,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-09 20:05:29,032 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 173 [2018-04-09 20:05:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:29,034 INFO L225 Difference]: With dead ends: 338 [2018-04-09 20:05:29,034 INFO L226 Difference]: Without dead ends: 337 [2018-04-09 20:05:29,036 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 286 SyntacticMatches, 15 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2640 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1406, Invalid=6966, Unknown=0, NotChecked=0, Total=8372 [2018-04-09 20:05:29,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-09 20:05:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-04-09 20:05:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-09 20:05:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 356 transitions. [2018-04-09 20:05:29,055 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 356 transitions. Word has length 173 [2018-04-09 20:05:29,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:29,055 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 356 transitions. [2018-04-09 20:05:29,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-09 20:05:29,056 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 356 transitions. [2018-04-09 20:05:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-04-09 20:05:29,056 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:29,057 INFO L355 BasicCegarLoop]: trace histogram [17, 16, 16, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:29,057 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:29,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1821387794, now seen corresponding path program 15 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:29,063 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:29,108 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 257 proven. 888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:29,477 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 257 proven. 888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:29,936 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:29,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 52 [2018-04-09 20:05:29,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-09 20:05:29,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-09 20:05:29,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=2294, Unknown=0, NotChecked=0, Total=2652 [2018-04-09 20:05:29,938 INFO L87 Difference]: Start difference. First operand 337 states and 356 transitions. Second operand 52 states. [2018-04-09 20:05:31,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:31,117 INFO L93 Difference]: Finished difference Result 711 states and 752 transitions. [2018-04-09 20:05:31,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-09 20:05:31,117 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 183 [2018-04-09 20:05:31,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:31,119 INFO L225 Difference]: With dead ends: 711 [2018-04-09 20:05:31,119 INFO L226 Difference]: Without dead ends: 409 [2018-04-09 20:05:31,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 296 SyntacticMatches, 20 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1460, Invalid=7282, Unknown=0, NotChecked=0, Total=8742 [2018-04-09 20:05:31,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-04-09 20:05:31,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 375. [2018-04-09 20:05:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-09 20:05:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 397 transitions. [2018-04-09 20:05:31,141 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 397 transitions. Word has length 183 [2018-04-09 20:05:31,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:31,141 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 397 transitions. [2018-04-09 20:05:31,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-09 20:05:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 397 transitions. [2018-04-09 20:05:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-04-09 20:05:31,143 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:31,143 INFO L355 BasicCegarLoop]: trace histogram [18, 17, 17, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:31,143 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:31,143 INFO L82 PathProgramCache]: Analyzing trace with hash -662367462, now seen corresponding path program 16 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:31,154 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:31,207 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 373 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:31,905 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:32,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:32,348 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:32,350 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:32,350 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 307 proven. 994 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:32,531 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:32,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2018-04-09 20:05:32,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-04-09 20:05:32,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-04-09 20:05:32,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=2390, Unknown=0, NotChecked=0, Total=2756 [2018-04-09 20:05:32,533 INFO L87 Difference]: Start difference. First operand 375 states and 397 transitions. Second operand 53 states. [2018-04-09 20:05:34,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:34,435 INFO L93 Difference]: Finished difference Result 376 states and 397 transitions. [2018-04-09 20:05:34,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-09 20:05:34,435 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 193 [2018-04-09 20:05:34,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:34,437 INFO L225 Difference]: With dead ends: 376 [2018-04-09 20:05:34,437 INFO L226 Difference]: Without dead ends: 375 [2018-04-09 20:05:34,438 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 318 SyntacticMatches, 17 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3477 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1761, Invalid=8951, Unknown=0, NotChecked=0, Total=10712 [2018-04-09 20:05:34,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-04-09 20:05:34,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2018-04-09 20:05:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-09 20:05:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 396 transitions. [2018-04-09 20:05:34,461 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 396 transitions. Word has length 193 [2018-04-09 20:05:34,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:34,462 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 396 transitions. [2018-04-09 20:05:34,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-04-09 20:05:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 396 transitions. [2018-04-09 20:05:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-04-09 20:05:34,463 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:34,464 INFO L355 BasicCegarLoop]: trace histogram [19, 18, 18, 17, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:34,464 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:34,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2135190074, now seen corresponding path program 17 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:34,469 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:34,539 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 333 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:35,095 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 333 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:35,620 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:35,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 58 [2018-04-09 20:05:35,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-04-09 20:05:35,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-04-09 20:05:35,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=438, Invalid=2868, Unknown=0, NotChecked=0, Total=3306 [2018-04-09 20:05:35,622 INFO L87 Difference]: Start difference. First operand 375 states and 396 transitions. Second operand 58 states. [2018-04-09 20:05:36,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:36,927 INFO L93 Difference]: Finished difference Result 787 states and 832 transitions. [2018-04-09 20:05:36,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-09 20:05:36,927 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 203 [2018-04-09 20:05:36,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:36,929 INFO L225 Difference]: With dead ends: 787 [2018-04-09 20:05:36,929 INFO L226 Difference]: Without dead ends: 447 [2018-04-09 20:05:36,930 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 328 SyntacticMatches, 22 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3136 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1799, Invalid=9121, Unknown=0, NotChecked=0, Total=10920 [2018-04-09 20:05:36,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-04-09 20:05:36,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 413. [2018-04-09 20:05:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-09 20:05:36,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 437 transitions. [2018-04-09 20:05:36,953 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 437 transitions. Word has length 203 [2018-04-09 20:05:36,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:36,953 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 437 transitions. [2018-04-09 20:05:36,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-04-09 20:05:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 437 transitions. [2018-04-09 20:05:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-04-09 20:05:36,954 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:36,954 INFO L355 BasicCegarLoop]: trace histogram [20, 19, 19, 18, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:36,954 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:36,954 INFO L82 PathProgramCache]: Analyzing trace with hash 939886322, now seen corresponding path program 18 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:36,960 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:37,010 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 465 proven. 1178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:37,610 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:38,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:38,130 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:38,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:38,133 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 390 proven. 1253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:38,372 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:38,372 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 58 [2018-04-09 20:05:38,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-09 20:05:38,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-09 20:05:38,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=446, Invalid=2976, Unknown=0, NotChecked=0, Total=3422 [2018-04-09 20:05:38,374 INFO L87 Difference]: Start difference. First operand 413 states and 437 transitions. Second operand 59 states. [2018-04-09 20:05:40,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:40,947 INFO L93 Difference]: Finished difference Result 414 states and 437 transitions. [2018-04-09 20:05:40,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-09 20:05:40,947 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 213 [2018-04-09 20:05:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:40,949 INFO L225 Difference]: With dead ends: 414 [2018-04-09 20:05:40,949 INFO L226 Difference]: Without dead ends: 413 [2018-04-09 20:05:40,951 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 350 SyntacticMatches, 19 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4429 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2156, Invalid=11184, Unknown=0, NotChecked=0, Total=13340 [2018-04-09 20:05:40,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-04-09 20:05:40,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2018-04-09 20:05:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-09 20:05:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 436 transitions. [2018-04-09 20:05:40,979 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 436 transitions. Word has length 213 [2018-04-09 20:05:40,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:40,979 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 436 transitions. [2018-04-09 20:05:40,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-09 20:05:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 436 transitions. [2018-04-09 20:05:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-04-09 20:05:40,981 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:40,981 INFO L355 BasicCegarLoop]: trace histogram [21, 20, 20, 19, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:40,981 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:40,982 INFO L82 PathProgramCache]: Analyzing trace with hash -578872418, now seen corresponding path program 19 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:40,989 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:41,045 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 419 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:41,568 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 419 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:42,147 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:42,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 64 [2018-04-09 20:05:42,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-09 20:05:42,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-09 20:05:42,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=526, Invalid=3506, Unknown=0, NotChecked=0, Total=4032 [2018-04-09 20:05:42,148 INFO L87 Difference]: Start difference. First operand 413 states and 436 transitions. Second operand 64 states. [2018-04-09 20:05:43,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:43,634 INFO L93 Difference]: Finished difference Result 863 states and 912 transitions. [2018-04-09 20:05:43,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-09 20:05:43,634 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 223 [2018-04-09 20:05:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:43,637 INFO L225 Difference]: With dead ends: 863 [2018-04-09 20:05:43,637 INFO L226 Difference]: Without dead ends: 485 [2018-04-09 20:05:43,639 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 360 SyntacticMatches, 24 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3874 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2173, Invalid=11167, Unknown=0, NotChecked=0, Total=13340 [2018-04-09 20:05:43,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-04-09 20:05:43,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 451. [2018-04-09 20:05:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-04-09 20:05:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 477 transitions. [2018-04-09 20:05:43,684 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 477 transitions. Word has length 223 [2018-04-09 20:05:43,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:43,685 INFO L459 AbstractCegarLoop]: Abstraction has 451 states and 477 transitions. [2018-04-09 20:05:43,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-09 20:05:43,685 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 477 transitions. [2018-04-09 20:05:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-04-09 20:05:43,687 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:43,687 INFO L355 BasicCegarLoop]: trace histogram [22, 21, 21, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:43,687 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:43,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1068547786, now seen corresponding path program 20 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:43,695 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:43,778 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 567 proven. 1458 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:44,869 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:45,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:45,623 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:45,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:45,626 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 483 proven. 1542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:45,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:45,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 64 [2018-04-09 20:05:45,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-09 20:05:45,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-09 20:05:45,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=3626, Unknown=0, NotChecked=0, Total=4160 [2018-04-09 20:05:45,875 INFO L87 Difference]: Start difference. First operand 451 states and 477 transitions. Second operand 65 states. [2018-04-09 20:05:48,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:48,803 INFO L93 Difference]: Finished difference Result 452 states and 477 transitions. [2018-04-09 20:05:48,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-04-09 20:05:48,803 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 233 [2018-04-09 20:05:48,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:48,805 INFO L225 Difference]: With dead ends: 452 [2018-04-09 20:05:48,805 INFO L226 Difference]: Without dead ends: 451 [2018-04-09 20:05:48,807 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 382 SyntacticMatches, 21 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5496 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2591, Invalid=13665, Unknown=0, NotChecked=0, Total=16256 [2018-04-09 20:05:48,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-04-09 20:05:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2018-04-09 20:05:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-04-09 20:05:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 476 transitions. [2018-04-09 20:05:48,851 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 476 transitions. Word has length 233 [2018-04-09 20:05:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:48,852 INFO L459 AbstractCegarLoop]: Abstraction has 451 states and 476 transitions. [2018-04-09 20:05:48,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-09 20:05:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 476 transitions. [2018-04-09 20:05:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-04-09 20:05:48,854 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:48,854 INFO L355 BasicCegarLoop]: trace histogram [23, 22, 22, 21, 21, 21, 21, 21, 21, 21, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:48,854 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:48,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1321756022, now seen corresponding path program 21 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:48,865 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:48,948 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 515 proven. 1716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:49,573 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 515 proven. 1716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:50,254 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:50,254 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 70 [2018-04-09 20:05:50,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-04-09 20:05:50,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-04-09 20:05:50,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=4208, Unknown=0, NotChecked=0, Total=4830 [2018-04-09 20:05:50,256 INFO L87 Difference]: Start difference. First operand 451 states and 476 transitions. Second operand 70 states. [2018-04-09 20:05:52,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:52,115 INFO L93 Difference]: Finished difference Result 939 states and 992 transitions. [2018-04-09 20:05:52,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-04-09 20:05:52,115 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 243 [2018-04-09 20:05:52,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:52,117 INFO L225 Difference]: With dead ends: 939 [2018-04-09 20:05:52,117 INFO L226 Difference]: Without dead ends: 523 [2018-04-09 20:05:52,118 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 392 SyntacticMatches, 26 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4690 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2582, Invalid=13420, Unknown=0, NotChecked=0, Total=16002 [2018-04-09 20:05:52,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2018-04-09 20:05:52,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 489. [2018-04-09 20:05:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-04-09 20:05:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 517 transitions. [2018-04-09 20:05:52,146 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 517 transitions. Word has length 243 [2018-04-09 20:05:52,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:52,147 INFO L459 AbstractCegarLoop]: Abstraction has 489 states and 517 transitions. [2018-04-09 20:05:52,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-04-09 20:05:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 517 transitions. [2018-04-09 20:05:52,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-04-09 20:05:52,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:52,148 INFO L355 BasicCegarLoop]: trace histogram [24, 23, 23, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:52,148 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:52,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1024768674, now seen corresponding path program 22 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:52,155 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:52,216 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 679 proven. 1768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:53,059 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:53,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:05:53,803 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:05:53,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:05:53,806 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:05:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 586 proven. 1861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:54,280 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:54,280 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 70 [2018-04-09 20:05:54,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-04-09 20:05:54,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-04-09 20:05:54,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=4340, Unknown=0, NotChecked=0, Total=4970 [2018-04-09 20:05:54,282 INFO L87 Difference]: Start difference. First operand 489 states and 517 transitions. Second operand 71 states. [2018-04-09 20:05:57,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:05:57,505 INFO L93 Difference]: Finished difference Result 490 states and 517 transitions. [2018-04-09 20:05:57,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-04-09 20:05:57,505 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 253 [2018-04-09 20:05:57,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:05:57,507 INFO L225 Difference]: With dead ends: 490 [2018-04-09 20:05:57,507 INFO L226 Difference]: Without dead ends: 489 [2018-04-09 20:05:57,508 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 414 SyntacticMatches, 23 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6678 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=3066, Invalid=16394, Unknown=0, NotChecked=0, Total=19460 [2018-04-09 20:05:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-09 20:05:57,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-04-09 20:05:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-04-09 20:05:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 516 transitions. [2018-04-09 20:05:57,556 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 516 transitions. Word has length 253 [2018-04-09 20:05:57,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:05:57,556 INFO L459 AbstractCegarLoop]: Abstraction has 489 states and 516 transitions. [2018-04-09 20:05:57,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-04-09 20:05:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 516 transitions. [2018-04-09 20:05:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-04-09 20:05:57,559 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:05:57,559 INFO L355 BasicCegarLoop]: trace histogram [25, 24, 24, 23, 23, 23, 23, 23, 23, 23, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:05:57,559 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:05:57,559 INFO L82 PathProgramCache]: Analyzing trace with hash 145060686, now seen corresponding path program 23 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:05:57,568 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:05:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:05:57,657 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:05:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2673 backedges. 621 proven. 2052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:58,392 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:05:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2673 backedges. 621 proven. 2052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:05:59,212 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:05:59,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 76 [2018-04-09 20:05:59,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-04-09 20:05:59,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-04-09 20:05:59,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=4974, Unknown=0, NotChecked=0, Total=5700 [2018-04-09 20:05:59,213 INFO L87 Difference]: Start difference. First operand 489 states and 516 transitions. Second operand 76 states. [2018-04-09 20:06:01,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:01,223 INFO L93 Difference]: Finished difference Result 1015 states and 1072 transitions. [2018-04-09 20:06:01,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-04-09 20:06:01,224 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 263 [2018-04-09 20:06:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:01,226 INFO L225 Difference]: With dead ends: 1015 [2018-04-09 20:06:01,226 INFO L226 Difference]: Without dead ends: 561 [2018-04-09 20:06:01,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 424 SyntacticMatches, 28 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5584 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3026, Invalid=15880, Unknown=0, NotChecked=0, Total=18906 [2018-04-09 20:06:01,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-04-09 20:06:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 527. [2018-04-09 20:06:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-04-09 20:06:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 557 transitions. [2018-04-09 20:06:01,256 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 557 transitions. Word has length 263 [2018-04-09 20:06:01,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:01,256 INFO L459 AbstractCegarLoop]: Abstraction has 527 states and 557 transitions. [2018-04-09 20:06:01,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-04-09 20:06:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 557 transitions. [2018-04-09 20:06:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-04-09 20:06:01,257 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:01,257 INFO L355 BasicCegarLoop]: trace histogram [26, 25, 25, 24, 24, 24, 24, 24, 24, 24, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:01,257 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:01,258 INFO L82 PathProgramCache]: Analyzing trace with hash -859866502, now seen corresponding path program 24 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:01,271 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:01,330 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2909 backedges. 801 proven. 2108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:02,252 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:03,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:06:03,061 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:06:03,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:06:03,064 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:06:03,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2909 backedges. 699 proven. 2210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:03,389 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:03,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 76 [2018-04-09 20:06:03,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-04-09 20:06:03,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-04-09 20:06:03,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=5118, Unknown=0, NotChecked=0, Total=5852 [2018-04-09 20:06:03,390 INFO L87 Difference]: Start difference. First operand 527 states and 557 transitions. Second operand 77 states. [2018-04-09 20:06:06,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:06,821 INFO L93 Difference]: Finished difference Result 528 states and 557 transitions. [2018-04-09 20:06:06,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-04-09 20:06:06,821 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 273 [2018-04-09 20:06:06,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:06,823 INFO L225 Difference]: With dead ends: 528 [2018-04-09 20:06:06,823 INFO L226 Difference]: Without dead ends: 527 [2018-04-09 20:06:06,824 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 446 SyntacticMatches, 25 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7975 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=3581, Invalid=19371, Unknown=0, NotChecked=0, Total=22952 [2018-04-09 20:06:06,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2018-04-09 20:06:06,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2018-04-09 20:06:06,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-04-09 20:06:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 556 transitions. [2018-04-09 20:06:06,857 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 556 transitions. Word has length 273 [2018-04-09 20:06:06,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:06,857 INFO L459 AbstractCegarLoop]: Abstraction has 527 states and 556 transitions. [2018-04-09 20:06:06,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-04-09 20:06:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 556 transitions. [2018-04-09 20:06:06,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-04-09 20:06:06,858 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:06,858 INFO L355 BasicCegarLoop]: trace histogram [27, 26, 26, 25, 25, 25, 25, 25, 25, 25, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:06,858 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:06,859 INFO L82 PathProgramCache]: Analyzing trace with hash -836483802, now seen corresponding path program 25 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:06,866 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:06,935 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3155 backedges. 737 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:07,749 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:08,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3155 backedges. 737 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:08,675 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:08,675 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57] total 82 [2018-04-09 20:06:08,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-04-09 20:06:08,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-04-09 20:06:08,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=838, Invalid=5804, Unknown=0, NotChecked=0, Total=6642 [2018-04-09 20:06:08,676 INFO L87 Difference]: Start difference. First operand 527 states and 556 transitions. Second operand 82 states. [2018-04-09 20:06:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:10,877 INFO L93 Difference]: Finished difference Result 1091 states and 1152 transitions. [2018-04-09 20:06:10,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-04-09 20:06:10,878 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 283 [2018-04-09 20:06:10,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:10,879 INFO L225 Difference]: With dead ends: 1091 [2018-04-09 20:06:10,879 INFO L226 Difference]: Without dead ends: 599 [2018-04-09 20:06:10,881 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 456 SyntacticMatches, 30 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6556 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3505, Invalid=18547, Unknown=0, NotChecked=0, Total=22052 [2018-04-09 20:06:10,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2018-04-09 20:06:10,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 565. [2018-04-09 20:06:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2018-04-09 20:06:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 597 transitions. [2018-04-09 20:06:10,911 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 597 transitions. Word has length 283 [2018-04-09 20:06:10,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:10,911 INFO L459 AbstractCegarLoop]: Abstraction has 565 states and 597 transitions. [2018-04-09 20:06:10,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-04-09 20:06:10,911 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 597 transitions. [2018-04-09 20:06:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-04-09 20:06:10,913 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:10,914 INFO L355 BasicCegarLoop]: trace histogram [28, 27, 27, 26, 26, 26, 26, 26, 26, 26, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:10,914 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:10,914 INFO L82 PathProgramCache]: Analyzing trace with hash -633405870, now seen corresponding path program 26 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:10,923 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:10,995 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3411 backedges. 933 proven. 2478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:12,142 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:13,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:06:13,055 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:06:13,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:06:13,058 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:06:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3411 backedges. 822 proven. 2589 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:13,427 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:13,427 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 82 [2018-04-09 20:06:13,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-04-09 20:06:13,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-04-09 20:06:13,428 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806 [2018-04-09 20:06:13,428 INFO L87 Difference]: Start difference. First operand 565 states and 597 transitions. Second operand 83 states. [2018-04-09 20:06:17,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:17,855 INFO L93 Difference]: Finished difference Result 566 states and 597 transitions. [2018-04-09 20:06:17,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-04-09 20:06:17,856 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 293 [2018-04-09 20:06:17,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:17,857 INFO L225 Difference]: With dead ends: 566 [2018-04-09 20:06:17,857 INFO L226 Difference]: Without dead ends: 565 [2018-04-09 20:06:17,859 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 478 SyntacticMatches, 27 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9387 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=4136, Invalid=22596, Unknown=0, NotChecked=0, Total=26732 [2018-04-09 20:06:17,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-04-09 20:06:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2018-04-09 20:06:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2018-04-09 20:06:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 596 transitions. [2018-04-09 20:06:17,890 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 596 transitions. Word has length 293 [2018-04-09 20:06:17,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:17,890 INFO L459 AbstractCegarLoop]: Abstraction has 565 states and 596 transitions. [2018-04-09 20:06:17,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-04-09 20:06:17,890 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 596 transitions. [2018-04-09 20:06:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-04-09 20:06:17,891 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:17,891 INFO L355 BasicCegarLoop]: trace histogram [29, 28, 28, 27, 27, 27, 27, 27, 27, 27, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:17,891 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:17,892 INFO L82 PathProgramCache]: Analyzing trace with hash -246228226, now seen corresponding path program 27 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:17,899 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:17,963 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 863 proven. 2814 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:18,870 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 863 proven. 2814 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:19,935 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:19,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61] total 88 [2018-04-09 20:06:19,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-04-09 20:06:19,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-04-09 20:06:19,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=6698, Unknown=0, NotChecked=0, Total=7656 [2018-04-09 20:06:19,936 INFO L87 Difference]: Start difference. First operand 565 states and 596 transitions. Second operand 88 states. [2018-04-09 20:06:22,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:22,255 INFO L93 Difference]: Finished difference Result 1167 states and 1232 transitions. [2018-04-09 20:06:22,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-04-09 20:06:22,256 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 303 [2018-04-09 20:06:22,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:22,257 INFO L225 Difference]: With dead ends: 1167 [2018-04-09 20:06:22,258 INFO L226 Difference]: Without dead ends: 637 [2018-04-09 20:06:22,259 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 488 SyntacticMatches, 32 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7606 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4019, Invalid=21421, Unknown=0, NotChecked=0, Total=25440 [2018-04-09 20:06:22,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-04-09 20:06:22,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 603. [2018-04-09 20:06:22,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2018-04-09 20:06:22,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 637 transitions. [2018-04-09 20:06:22,291 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 637 transitions. Word has length 303 [2018-04-09 20:06:22,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:22,291 INFO L459 AbstractCegarLoop]: Abstraction has 603 states and 637 transitions. [2018-04-09 20:06:22,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-04-09 20:06:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 637 transitions. [2018-04-09 20:06:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-04-09 20:06:22,293 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:22,293 INFO L355 BasicCegarLoop]: trace histogram [30, 29, 29, 28, 28, 28, 28, 28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:22,293 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:22,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1608432086, now seen corresponding path program 28 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:22,299 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:22,371 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3953 backedges. 1075 proven. 2878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:23,621 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:24,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:06:24,605 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:06:24,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:06:24,607 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:06:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3953 backedges. 955 proven. 2998 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:25,026 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:25,026 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 88 [2018-04-09 20:06:25,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-04-09 20:06:25,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-04-09 20:06:25,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=6866, Unknown=0, NotChecked=0, Total=7832 [2018-04-09 20:06:25,027 INFO L87 Difference]: Start difference. First operand 603 states and 637 transitions. Second operand 89 states. [2018-04-09 20:06:29,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:29,696 INFO L93 Difference]: Finished difference Result 604 states and 637 transitions. [2018-04-09 20:06:29,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-04-09 20:06:29,696 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 313 [2018-04-09 20:06:29,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:29,698 INFO L225 Difference]: With dead ends: 604 [2018-04-09 20:06:29,698 INFO L226 Difference]: Without dead ends: 603 [2018-04-09 20:06:29,699 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 510 SyntacticMatches, 29 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10914 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=4731, Invalid=26069, Unknown=0, NotChecked=0, Total=30800 [2018-04-09 20:06:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2018-04-09 20:06:29,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2018-04-09 20:06:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2018-04-09 20:06:29,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 636 transitions. [2018-04-09 20:06:29,732 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 636 transitions. Word has length 313 [2018-04-09 20:06:29,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:29,733 INFO L459 AbstractCegarLoop]: Abstraction has 603 states and 636 transitions. [2018-04-09 20:06:29,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-04-09 20:06:29,733 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 636 transitions. [2018-04-09 20:06:29,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-04-09 20:06:29,734 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:29,734 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 29, 29, 29, 29, 29, 29, 29, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:29,734 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:29,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1396651222, now seen corresponding path program 29 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:29,740 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:29,831 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4239 backedges. 999 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:30,903 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4239 backedges. 999 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:32,108 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:32,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65] total 94 [2018-04-09 20:06:32,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-04-09 20:06:32,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-04-09 20:06:32,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7656, Unknown=0, NotChecked=0, Total=8742 [2018-04-09 20:06:32,110 INFO L87 Difference]: Start difference. First operand 603 states and 636 transitions. Second operand 94 states. [2018-04-09 20:06:34,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:34,737 INFO L93 Difference]: Finished difference Result 1243 states and 1312 transitions. [2018-04-09 20:06:34,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-04-09 20:06:34,737 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 323 [2018-04-09 20:06:34,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:34,740 INFO L225 Difference]: With dead ends: 1243 [2018-04-09 20:06:34,740 INFO L226 Difference]: Without dead ends: 675 [2018-04-09 20:06:34,744 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 520 SyntacticMatches, 34 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8734 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4568, Invalid=24502, Unknown=0, NotChecked=0, Total=29070 [2018-04-09 20:06:34,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2018-04-09 20:06:34,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 641. [2018-04-09 20:06:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2018-04-09 20:06:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 677 transitions. [2018-04-09 20:06:34,782 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 677 transitions. Word has length 323 [2018-04-09 20:06:34,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:34,782 INFO L459 AbstractCegarLoop]: Abstraction has 641 states and 677 transitions. [2018-04-09 20:06:34,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-04-09 20:06:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 677 transitions. [2018-04-09 20:06:34,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-04-09 20:06:34,784 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:34,784 INFO L355 BasicCegarLoop]: trace histogram [32, 31, 31, 30, 30, 30, 30, 30, 30, 30, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:34,784 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:34,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1477160446, now seen corresponding path program 30 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:34,794 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:34,868 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:36,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4535 backedges. 1227 proven. 3308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:36,251 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:37,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:06:37,391 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:06:37,394 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:06:37,394 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:06:37,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4535 backedges. 1098 proven. 3437 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:37,870 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:37,870 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 94 [2018-04-09 20:06:37,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-04-09 20:06:37,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-04-09 20:06:37,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1094, Invalid=7836, Unknown=0, NotChecked=0, Total=8930 [2018-04-09 20:06:37,872 INFO L87 Difference]: Start difference. First operand 641 states and 677 transitions. Second operand 95 states. [2018-04-09 20:06:42,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:42,577 INFO L93 Difference]: Finished difference Result 642 states and 677 transitions. [2018-04-09 20:06:42,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-04-09 20:06:42,577 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 333 [2018-04-09 20:06:42,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:42,579 INFO L225 Difference]: With dead ends: 642 [2018-04-09 20:06:42,579 INFO L226 Difference]: Without dead ends: 641 [2018-04-09 20:06:42,581 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 542 SyntacticMatches, 31 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12556 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=5366, Invalid=29790, Unknown=0, NotChecked=0, Total=35156 [2018-04-09 20:06:42,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2018-04-09 20:06:42,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2018-04-09 20:06:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2018-04-09 20:06:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 676 transitions. [2018-04-09 20:06:42,617 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 676 transitions. Word has length 333 [2018-04-09 20:06:42,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:42,617 INFO L459 AbstractCegarLoop]: Abstraction has 641 states and 676 transitions. [2018-04-09 20:06:42,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-04-09 20:06:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 676 transitions. [2018-04-09 20:06:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-04-09 20:06:42,618 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:42,618 INFO L355 BasicCegarLoop]: trace histogram [33, 32, 32, 31, 31, 31, 31, 31, 31, 31, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:42,619 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:42,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1677152942, now seen corresponding path program 31 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:42,625 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:42,695 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 1145 proven. 3696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:43,833 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 1145 proven. 3696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:45,185 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:45,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69] total 100 [2018-04-09 20:06:45,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-04-09 20:06:45,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-04-09 20:06:45,186 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1222, Invalid=8678, Unknown=0, NotChecked=0, Total=9900 [2018-04-09 20:06:45,186 INFO L87 Difference]: Start difference. First operand 641 states and 676 transitions. Second operand 100 states. [2018-04-09 20:06:48,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:48,426 INFO L93 Difference]: Finished difference Result 1319 states and 1392 transitions. [2018-04-09 20:06:48,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-04-09 20:06:48,426 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 343 [2018-04-09 20:06:48,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:48,428 INFO L225 Difference]: With dead ends: 1319 [2018-04-09 20:06:48,428 INFO L226 Difference]: Without dead ends: 713 [2018-04-09 20:06:48,430 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 552 SyntacticMatches, 36 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9940 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=5152, Invalid=27790, Unknown=0, NotChecked=0, Total=32942 [2018-04-09 20:06:48,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2018-04-09 20:06:48,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 679. [2018-04-09 20:06:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2018-04-09 20:06:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 717 transitions. [2018-04-09 20:06:48,468 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 717 transitions. Word has length 343 [2018-04-09 20:06:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:48,469 INFO L459 AbstractCegarLoop]: Abstraction has 679 states and 717 transitions. [2018-04-09 20:06:48,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-04-09 20:06:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 717 transitions. [2018-04-09 20:06:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-04-09 20:06:48,470 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:48,470 INFO L355 BasicCegarLoop]: trace histogram [34, 33, 33, 32, 32, 32, 32, 32, 32, 32, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:48,470 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:48,471 INFO L82 PathProgramCache]: Analyzing trace with hash -901373478, now seen corresponding path program 32 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:48,476 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:48,551 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5157 backedges. 1389 proven. 3768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:50,116 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:51,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:06:51,359 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:06:51,362 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:06:51,362 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:06:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5157 backedges. 1251 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:51,903 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:51,903 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 100 [2018-04-09 20:06:51,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-04-09 20:06:51,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-04-09 20:06:51,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=8870, Unknown=0, NotChecked=0, Total=10100 [2018-04-09 20:06:51,905 INFO L87 Difference]: Start difference. First operand 679 states and 717 transitions. Second operand 101 states. [2018-04-09 20:06:56,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:06:56,950 INFO L93 Difference]: Finished difference Result 680 states and 717 transitions. [2018-04-09 20:06:56,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-04-09 20:06:56,950 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 353 [2018-04-09 20:06:56,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:06:56,952 INFO L225 Difference]: With dead ends: 680 [2018-04-09 20:06:56,952 INFO L226 Difference]: Without dead ends: 679 [2018-04-09 20:06:56,954 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 805 GetRequests, 574 SyntacticMatches, 33 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14313 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=6041, Invalid=33759, Unknown=0, NotChecked=0, Total=39800 [2018-04-09 20:06:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2018-04-09 20:06:56,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 679. [2018-04-09 20:06:56,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2018-04-09 20:06:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 716 transitions. [2018-04-09 20:06:56,992 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 716 transitions. Word has length 353 [2018-04-09 20:06:56,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:06:56,993 INFO L459 AbstractCegarLoop]: Abstraction has 679 states and 716 transitions. [2018-04-09 20:06:56,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-04-09 20:06:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 716 transitions. [2018-04-09 20:06:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-04-09 20:06:56,994 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:06:56,994 INFO L355 BasicCegarLoop]: trace histogram [35, 34, 34, 33, 33, 33, 33, 33, 33, 33, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:06:56,994 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:06:56,994 INFO L82 PathProgramCache]: Analyzing trace with hash 579417222, now seen corresponding path program 33 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:06:57,000 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:06:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:06:57,077 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:06:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5483 backedges. 1301 proven. 4182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:58,371 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:06:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5483 backedges. 1301 proven. 4182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:06:59,911 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:06:59,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73] total 106 [2018-04-09 20:06:59,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-04-09 20:06:59,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-04-09 20:06:59,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1366, Invalid=9764, Unknown=0, NotChecked=0, Total=11130 [2018-04-09 20:06:59,914 INFO L87 Difference]: Start difference. First operand 679 states and 716 transitions. Second operand 106 states. [2018-04-09 20:07:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:07:03,994 INFO L93 Difference]: Finished difference Result 1395 states and 1472 transitions. [2018-04-09 20:07:03,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-04-09 20:07:03,994 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 363 [2018-04-09 20:07:03,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:07:03,996 INFO L225 Difference]: With dead ends: 1395 [2018-04-09 20:07:03,996 INFO L226 Difference]: Without dead ends: 751 [2018-04-09 20:07:04,000 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 813 GetRequests, 584 SyntacticMatches, 38 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11224 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=5771, Invalid=31285, Unknown=0, NotChecked=0, Total=37056 [2018-04-09 20:07:04,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2018-04-09 20:07:04,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 717. [2018-04-09 20:07:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-04-09 20:07:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 757 transitions. [2018-04-09 20:07:04,058 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 757 transitions. Word has length 363 [2018-04-09 20:07:04,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:07:04,058 INFO L459 AbstractCegarLoop]: Abstraction has 717 states and 757 transitions. [2018-04-09 20:07:04,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-04-09 20:07:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 757 transitions. [2018-04-09 20:07:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-04-09 20:07:04,059 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:07:04,059 INFO L355 BasicCegarLoop]: trace histogram [36, 35, 35, 34, 34, 34, 34, 34, 34, 34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:07:04,059 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:07:04,060 INFO L82 PathProgramCache]: Analyzing trace with hash 782546354, now seen corresponding path program 34 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:07:04,065 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:07:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:07:04,141 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:07:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5819 backedges. 1561 proven. 4258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:05,896 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:07:07,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:07:07,306 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:07:07,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:07:07,308 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:07:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5819 backedges. 1414 proven. 4405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:07,903 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:07:07,903 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71] total 106 [2018-04-09 20:07:07,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-04-09 20:07:07,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-04-09 20:07:07,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1374, Invalid=9968, Unknown=0, NotChecked=0, Total=11342 [2018-04-09 20:07:07,905 INFO L87 Difference]: Start difference. First operand 717 states and 757 transitions. Second operand 107 states. [2018-04-09 20:07:13,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:07:13,995 INFO L93 Difference]: Finished difference Result 718 states and 757 transitions. [2018-04-09 20:07:13,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-04-09 20:07:13,995 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 373 [2018-04-09 20:07:13,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:07:13,997 INFO L225 Difference]: With dead ends: 718 [2018-04-09 20:07:13,997 INFO L226 Difference]: Without dead ends: 717 [2018-04-09 20:07:13,999 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 851 GetRequests, 606 SyntacticMatches, 35 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16185 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=6756, Invalid=37976, Unknown=0, NotChecked=0, Total=44732 [2018-04-09 20:07:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-04-09 20:07:14,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2018-04-09 20:07:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-04-09 20:07:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 756 transitions. [2018-04-09 20:07:14,040 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 756 transitions. Word has length 373 [2018-04-09 20:07:14,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:07:14,040 INFO L459 AbstractCegarLoop]: Abstraction has 717 states and 756 transitions. [2018-04-09 20:07:14,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-04-09 20:07:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 756 transitions. [2018-04-09 20:07:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-04-09 20:07:14,041 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:07:14,042 INFO L355 BasicCegarLoop]: trace histogram [37, 36, 36, 35, 35, 35, 35, 35, 35, 35, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:07:14,042 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:07:14,042 INFO L82 PathProgramCache]: Analyzing trace with hash 486726238, now seen corresponding path program 35 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:07:14,048 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:07:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:07:14,129 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:07:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6165 backedges. 1467 proven. 4698 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:15,571 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:07:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6165 backedges. 1467 proven. 4698 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:17,232 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:07:17,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77] total 112 [2018-04-09 20:07:17,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-04-09 20:07:17,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-04-09 20:07:17,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1518, Invalid=10914, Unknown=0, NotChecked=0, Total=12432 [2018-04-09 20:07:17,234 INFO L87 Difference]: Start difference. First operand 717 states and 756 transitions. Second operand 112 states. [2018-04-09 20:07:21,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:07:21,340 INFO L93 Difference]: Finished difference Result 1471 states and 1552 transitions. [2018-04-09 20:07:21,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-04-09 20:07:21,340 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 383 [2018-04-09 20:07:21,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:07:21,342 INFO L225 Difference]: With dead ends: 1471 [2018-04-09 20:07:21,342 INFO L226 Difference]: Without dead ends: 789 [2018-04-09 20:07:21,345 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 616 SyntacticMatches, 40 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12586 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=6425, Invalid=34987, Unknown=0, NotChecked=0, Total=41412 [2018-04-09 20:07:21,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2018-04-09 20:07:21,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 755. [2018-04-09 20:07:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-04-09 20:07:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 797 transitions. [2018-04-09 20:07:21,388 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 797 transitions. Word has length 383 [2018-04-09 20:07:21,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:07:21,388 INFO L459 AbstractCegarLoop]: Abstraction has 755 states and 797 transitions. [2018-04-09 20:07:21,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-04-09 20:07:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 797 transitions. [2018-04-09 20:07:21,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-04-09 20:07:21,390 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:07:21,390 INFO L355 BasicCegarLoop]: trace histogram [38, 37, 37, 36, 36, 36, 36, 36, 36, 36, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:07:21,390 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:07:21,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1268649354, now seen corresponding path program 36 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:07:21,396 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:07:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:07:21,476 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:07:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6521 backedges. 1743 proven. 4778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:23,377 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:07:24,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:07:24,884 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:07:24,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:07:24,887 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:07:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6521 backedges. 1587 proven. 4934 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:25,532 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:07:25,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75] total 112 [2018-04-09 20:07:25,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-04-09 20:07:25,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-04-09 20:07:25,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1526, Invalid=11130, Unknown=0, NotChecked=0, Total=12656 [2018-04-09 20:07:25,534 INFO L87 Difference]: Start difference. First operand 755 states and 797 transitions. Second operand 113 states. [2018-04-09 20:07:31,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:07:31,419 INFO L93 Difference]: Finished difference Result 756 states and 797 transitions. [2018-04-09 20:07:31,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-04-09 20:07:31,419 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 393 [2018-04-09 20:07:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:07:31,421 INFO L225 Difference]: With dead ends: 756 [2018-04-09 20:07:31,421 INFO L226 Difference]: Without dead ends: 755 [2018-04-09 20:07:31,423 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 897 GetRequests, 638 SyntacticMatches, 37 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18172 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=7511, Invalid=42441, Unknown=0, NotChecked=0, Total=49952 [2018-04-09 20:07:31,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-04-09 20:07:31,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2018-04-09 20:07:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-04-09 20:07:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 796 transitions. [2018-04-09 20:07:31,467 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 796 transitions. Word has length 393 [2018-04-09 20:07:31,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:07:31,467 INFO L459 AbstractCegarLoop]: Abstraction has 755 states and 796 transitions. [2018-04-09 20:07:31,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-04-09 20:07:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 796 transitions. [2018-04-09 20:07:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-04-09 20:07:31,469 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:07:31,469 INFO L355 BasicCegarLoop]: trace histogram [39, 38, 38, 37, 37, 37, 37, 37, 37, 37, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:07:31,469 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:07:31,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1886536758, now seen corresponding path program 37 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:07:31,475 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:07:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:07:31,557 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:07:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6887 backedges. 1643 proven. 5244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:33,153 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:07:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6887 backedges. 1643 proven. 5244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:35,006 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:07:35,006 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81] total 118 [2018-04-09 20:07:35,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-04-09 20:07:35,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-04-09 20:07:35,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1678, Invalid=12128, Unknown=0, NotChecked=0, Total=13806 [2018-04-09 20:07:35,008 INFO L87 Difference]: Start difference. First operand 755 states and 796 transitions. Second operand 118 states. [2018-04-09 20:07:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:07:39,216 INFO L93 Difference]: Finished difference Result 1547 states and 1632 transitions. [2018-04-09 20:07:39,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-04-09 20:07:39,216 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 403 [2018-04-09 20:07:39,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:07:39,218 INFO L225 Difference]: With dead ends: 1547 [2018-04-09 20:07:39,218 INFO L226 Difference]: Without dead ends: 827 [2018-04-09 20:07:39,221 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 648 SyntacticMatches, 42 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14026 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=7114, Invalid=38896, Unknown=0, NotChecked=0, Total=46010 [2018-04-09 20:07:39,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2018-04-09 20:07:39,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 793. [2018-04-09 20:07:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-04-09 20:07:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 837 transitions. [2018-04-09 20:07:39,269 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 837 transitions. Word has length 403 [2018-04-09 20:07:39,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:07:39,269 INFO L459 AbstractCegarLoop]: Abstraction has 793 states and 837 transitions. [2018-04-09 20:07:39,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-04-09 20:07:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 837 transitions. [2018-04-09 20:07:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-04-09 20:07:39,271 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:07:39,271 INFO L355 BasicCegarLoop]: trace histogram [40, 39, 39, 38, 38, 38, 38, 38, 38, 38, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:07:39,271 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:07:39,272 INFO L82 PathProgramCache]: Analyzing trace with hash -423614110, now seen corresponding path program 38 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:07:39,277 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:07:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:07:39,361 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:07:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7263 backedges. 1935 proven. 5328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:41,462 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:07:43,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:07:43,118 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:07:43,120 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:07:43,120 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:07:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7263 backedges. 1770 proven. 5493 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:43,831 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:07:43,831 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 79] total 118 [2018-04-09 20:07:43,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-04-09 20:07:43,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-04-09 20:07:43,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1686, Invalid=12356, Unknown=0, NotChecked=0, Total=14042 [2018-04-09 20:07:43,833 INFO L87 Difference]: Start difference. First operand 793 states and 837 transitions. Second operand 119 states. [2018-04-09 20:07:50,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:07:50,564 INFO L93 Difference]: Finished difference Result 794 states and 837 transitions. [2018-04-09 20:07:50,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-04-09 20:07:50,565 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 413 [2018-04-09 20:07:50,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:07:50,567 INFO L225 Difference]: With dead ends: 794 [2018-04-09 20:07:50,567 INFO L226 Difference]: Without dead ends: 793 [2018-04-09 20:07:50,569 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 670 SyntacticMatches, 39 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20274 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=8306, Invalid=47154, Unknown=0, NotChecked=0, Total=55460 [2018-04-09 20:07:50,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-04-09 20:07:50,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2018-04-09 20:07:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-04-09 20:07:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 836 transitions. [2018-04-09 20:07:50,616 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 836 transitions. Word has length 413 [2018-04-09 20:07:50,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:07:50,617 INFO L459 AbstractCegarLoop]: Abstraction has 793 states and 836 transitions. [2018-04-09 20:07:50,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-04-09 20:07:50,617 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 836 transitions. [2018-04-09 20:07:50,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-04-09 20:07:50,619 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:07:50,619 INFO L355 BasicCegarLoop]: trace histogram [41, 40, 40, 39, 39, 39, 39, 39, 39, 39, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:07:50,619 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:07:50,619 INFO L82 PathProgramCache]: Analyzing trace with hash -924487154, now seen corresponding path program 39 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:07:50,626 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:07:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:07:50,710 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:07:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 7649 backedges. 1829 proven. 5820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:52,435 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:07:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7649 backedges. 1829 proven. 5820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:07:54,463 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:07:54,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 124 [2018-04-09 20:07:54,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-04-09 20:07:54,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-04-09 20:07:54,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1846, Invalid=13406, Unknown=0, NotChecked=0, Total=15252 [2018-04-09 20:07:54,465 INFO L87 Difference]: Start difference. First operand 793 states and 836 transitions. Second operand 124 states. [2018-04-09 20:07:59,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:07:59,389 INFO L93 Difference]: Finished difference Result 1623 states and 1712 transitions. [2018-04-09 20:07:59,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-04-09 20:07:59,390 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 423 [2018-04-09 20:07:59,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:07:59,393 INFO L225 Difference]: With dead ends: 1623 [2018-04-09 20:07:59,394 INFO L226 Difference]: Without dead ends: 865 [2018-04-09 20:07:59,399 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 948 GetRequests, 680 SyntacticMatches, 44 SemanticMatches, 224 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15544 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=7838, Invalid=43012, Unknown=0, NotChecked=0, Total=50850 [2018-04-09 20:07:59,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-04-09 20:07:59,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 831. [2018-04-09 20:07:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-04-09 20:07:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 877 transitions. [2018-04-09 20:07:59,457 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 877 transitions. Word has length 423 [2018-04-09 20:07:59,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:07:59,458 INFO L459 AbstractCegarLoop]: Abstraction has 831 states and 877 transitions. [2018-04-09 20:07:59,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-04-09 20:07:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 877 transitions. [2018-04-09 20:07:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2018-04-09 20:07:59,459 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:07:59,460 INFO L355 BasicCegarLoop]: trace histogram [42, 41, 41, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:07:59,460 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:07:59,460 INFO L82 PathProgramCache]: Analyzing trace with hash 345573690, now seen corresponding path program 40 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:07:59,466 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:07:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:07:59,568 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:08:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8045 backedges. 2137 proven. 5908 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:01,894 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:08:03,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:08:03,744 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:08:03,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:08:03,746 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:08:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 8045 backedges. 1963 proven. 6082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:04,533 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:08:04,534 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83] total 124 [2018-04-09 20:08:04,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-04-09 20:08:04,535 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-04-09 20:08:04,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1854, Invalid=13646, Unknown=0, NotChecked=0, Total=15500 [2018-04-09 20:08:04,535 INFO L87 Difference]: Start difference. First operand 831 states and 877 transitions. Second operand 125 states. [2018-04-09 20:08:11,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:08:11,572 INFO L93 Difference]: Finished difference Result 832 states and 877 transitions. [2018-04-09 20:08:11,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-04-09 20:08:11,573 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 433 [2018-04-09 20:08:11,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:08:11,575 INFO L225 Difference]: With dead ends: 832 [2018-04-09 20:08:11,575 INFO L226 Difference]: Without dead ends: 831 [2018-04-09 20:08:11,579 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 989 GetRequests, 702 SyntacticMatches, 41 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22491 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=9141, Invalid=52115, Unknown=0, NotChecked=0, Total=61256 [2018-04-09 20:08:11,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-04-09 20:08:11,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2018-04-09 20:08:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-04-09 20:08:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 876 transitions. [2018-04-09 20:08:11,637 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 876 transitions. Word has length 433 [2018-04-09 20:08:11,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:08:11,637 INFO L459 AbstractCegarLoop]: Abstraction has 831 states and 876 transitions. [2018-04-09 20:08:11,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-04-09 20:08:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 876 transitions. [2018-04-09 20:08:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2018-04-09 20:08:11,639 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:08:11,639 INFO L355 BasicCegarLoop]: trace histogram [43, 42, 42, 41, 41, 41, 41, 41, 41, 41, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:08:11,639 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:08:11,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1634362342, now seen corresponding path program 41 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:08:11,645 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:08:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:08:11,737 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:08:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 8451 backedges. 2025 proven. 6426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:13,666 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:08:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 8451 backedges. 2025 proven. 6426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:15,947 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:08:15,947 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 89] total 130 [2018-04-09 20:08:15,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-04-09 20:08:15,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-04-09 20:08:15,949 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2022, Invalid=14748, Unknown=0, NotChecked=0, Total=16770 [2018-04-09 20:08:15,949 INFO L87 Difference]: Start difference. First operand 831 states and 876 transitions. Second operand 130 states. [2018-04-09 20:08:21,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:08:21,345 INFO L93 Difference]: Finished difference Result 1699 states and 1792 transitions. [2018-04-09 20:08:21,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-04-09 20:08:21,345 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 443 [2018-04-09 20:08:21,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:08:21,347 INFO L225 Difference]: With dead ends: 1699 [2018-04-09 20:08:21,347 INFO L226 Difference]: Without dead ends: 903 [2018-04-09 20:08:21,350 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 993 GetRequests, 712 SyntacticMatches, 46 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17140 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=8597, Invalid=47335, Unknown=0, NotChecked=0, Total=55932 [2018-04-09 20:08:21,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-04-09 20:08:21,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 869. [2018-04-09 20:08:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-04-09 20:08:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 917 transitions. [2018-04-09 20:08:21,401 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 917 transitions. Word has length 443 [2018-04-09 20:08:21,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:08:21,402 INFO L459 AbstractCegarLoop]: Abstraction has 869 states and 917 transitions. [2018-04-09 20:08:21,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-04-09 20:08:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 917 transitions. [2018-04-09 20:08:21,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2018-04-09 20:08:21,403 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:08:21,403 INFO L355 BasicCegarLoop]: trace histogram [44, 43, 43, 42, 42, 42, 42, 42, 42, 42, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:08:21,404 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:08:21,404 INFO L82 PathProgramCache]: Analyzing trace with hash 951495954, now seen corresponding path program 42 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:08:21,409 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:08:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:08:21,503 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:08:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8867 backedges. 2349 proven. 6518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:23,938 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:08:25,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:08:25,884 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:08:25,886 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:08:25,886 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:08:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8867 backedges. 2166 proven. 6701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:26,702 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:08:26,702 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87] total 130 [2018-04-09 20:08:26,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-04-09 20:08:26,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-04-09 20:08:26,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2030, Invalid=15000, Unknown=0, NotChecked=0, Total=17030 [2018-04-09 20:08:26,704 INFO L87 Difference]: Start difference. First operand 869 states and 917 transitions. Second operand 131 states. [2018-04-09 20:08:34,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:08:34,142 INFO L93 Difference]: Finished difference Result 870 states and 917 transitions. [2018-04-09 20:08:34,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-04-09 20:08:34,143 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 453 [2018-04-09 20:08:34,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:08:34,145 INFO L225 Difference]: With dead ends: 870 [2018-04-09 20:08:34,145 INFO L226 Difference]: Without dead ends: 869 [2018-04-09 20:08:34,148 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 734 SyntacticMatches, 43 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24823 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=10016, Invalid=57324, Unknown=0, NotChecked=0, Total=67340 [2018-04-09 20:08:34,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-04-09 20:08:34,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 869. [2018-04-09 20:08:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-04-09 20:08:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 916 transitions. [2018-04-09 20:08:34,200 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 916 transitions. Word has length 453 [2018-04-09 20:08:34,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:08:34,201 INFO L459 AbstractCegarLoop]: Abstraction has 869 states and 916 transitions. [2018-04-09 20:08:34,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-04-09 20:08:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 916 transitions. [2018-04-09 20:08:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-04-09 20:08:34,203 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:08:34,203 INFO L355 BasicCegarLoop]: trace histogram [45, 44, 44, 43, 43, 43, 43, 43, 43, 43, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:08:34,203 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:08:34,203 INFO L82 PathProgramCache]: Analyzing trace with hash 68098494, now seen corresponding path program 43 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:08:34,209 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:08:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:08:34,304 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:08:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9293 backedges. 2231 proven. 7062 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:36,308 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:08:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 9293 backedges. 2231 proven. 7062 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:38,714 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:08:38,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 93] total 136 [2018-04-09 20:08:38,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-04-09 20:08:38,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-04-09 20:08:38,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2206, Invalid=16154, Unknown=0, NotChecked=0, Total=18360 [2018-04-09 20:08:38,716 INFO L87 Difference]: Start difference. First operand 869 states and 916 transitions. Second operand 136 states. [2018-04-09 20:08:44,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:08:44,401 INFO L93 Difference]: Finished difference Result 1775 states and 1872 transitions. [2018-04-09 20:08:44,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-04-09 20:08:44,401 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 463 [2018-04-09 20:08:44,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:08:44,403 INFO L225 Difference]: With dead ends: 1775 [2018-04-09 20:08:44,403 INFO L226 Difference]: Without dead ends: 941 [2018-04-09 20:08:44,406 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 744 SyntacticMatches, 48 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18814 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=9391, Invalid=51865, Unknown=0, NotChecked=0, Total=61256 [2018-04-09 20:08:44,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-04-09 20:08:44,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 907. [2018-04-09 20:08:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-04-09 20:08:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 957 transitions. [2018-04-09 20:08:44,461 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 957 transitions. Word has length 463 [2018-04-09 20:08:44,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:08:44,461 INFO L459 AbstractCegarLoop]: Abstraction has 907 states and 957 transitions. [2018-04-09 20:08:44,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-04-09 20:08:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 957 transitions. [2018-04-09 20:08:44,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2018-04-09 20:08:44,463 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:08:44,463 INFO L355 BasicCegarLoop]: trace histogram [46, 45, 45, 44, 44, 44, 44, 44, 44, 44, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:08:44,463 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:08:44,463 INFO L82 PathProgramCache]: Analyzing trace with hash 94835946, now seen corresponding path program 44 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:08:44,469 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:08:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:08:44,561 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:08:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 2571 proven. 7158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:47,315 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:08:49,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 20:08:49,541 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:08:49,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:08:49,544 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-09 20:08:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 2379 proven. 7350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:08:50,488 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 20:08:50,488 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 91] total 136 [2018-04-09 20:08:50,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-04-09 20:08:50,489 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-04-09 20:08:50,490 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2214, Invalid=16418, Unknown=0, NotChecked=0, Total=18632 [2018-04-09 20:08:50,490 INFO L87 Difference]: Start difference. First operand 907 states and 957 transitions. Second operand 137 states. [2018-04-09 20:08:58,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:08:58,801 INFO L93 Difference]: Finished difference Result 908 states and 957 transitions. [2018-04-09 20:08:58,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-04-09 20:08:58,801 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 473 [2018-04-09 20:08:58,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:08:58,804 INFO L225 Difference]: With dead ends: 908 [2018-04-09 20:08:58,804 INFO L226 Difference]: Without dead ends: 907 [2018-04-09 20:08:58,807 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 766 SyntacticMatches, 45 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27270 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=10931, Invalid=62781, Unknown=0, NotChecked=0, Total=73712 [2018-04-09 20:08:58,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-04-09 20:08:58,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 907. [2018-04-09 20:08:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-04-09 20:08:58,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 956 transitions. [2018-04-09 20:08:58,864 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 956 transitions. Word has length 473 [2018-04-09 20:08:58,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:08:58,864 INFO L459 AbstractCegarLoop]: Abstraction has 907 states and 956 transitions. [2018-04-09 20:08:58,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-04-09 20:08:58,865 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 956 transitions. [2018-04-09 20:08:58,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2018-04-09 20:08:58,867 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:08:58,867 INFO L355 BasicCegarLoop]: trace histogram [47, 46, 46, 45, 45, 45, 45, 45, 45, 45, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:08:58,868 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr3RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr11RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr5RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr0RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr1RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr6RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr7RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr10RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr4RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr2RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr8RequiresViolation, __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sortErr9RequiresViolation]=== [2018-04-09 20:08:58,868 INFO L82 PathProgramCache]: Analyzing trace with hash 165778326, now seen corresponding path program 45 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:08:58,873 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:08:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:08:58,973 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:09:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10175 backedges. 2447 proven. 7728 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:09:01,184 INFO L314 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2018-04-09 20:09:02,131 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-09 20:09:02,131 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-09 20:09:02,134 WARN L197 ceAbstractionStarter]: Timeout [2018-04-09 20:09:02,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 08:09:02 BoogieIcfgContainer [2018-04-09 20:09:02,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 20:09:02,135 INFO L168 Benchmark]: Toolchain (without parser) took 236441.21 ms. Allocated memory was 303.6 MB in the beginning and 1.2 GB in the end (delta: 860.4 MB). Free memory was 240.5 MB in the beginning and 721.6 MB in the end (delta: -481.1 MB). Peak memory consumption was 379.3 MB. Max. memory is 5.3 GB. [2018-04-09 20:09:02,137 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 303.6 MB. Free memory is still 265.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 20:09:02,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.01 ms. Allocated memory is still 303.6 MB. Free memory was 240.5 MB in the beginning and 216.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. [2018-04-09 20:09:02,137 INFO L168 Benchmark]: Boogie Preprocessor took 58.23 ms. Allocated memory is still 303.6 MB. Free memory was 216.3 MB in the beginning and 214.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-09 20:09:02,137 INFO L168 Benchmark]: RCFGBuilder took 477.11 ms. Allocated memory was 303.6 MB in the beginning and 462.9 MB in the end (delta: 159.4 MB). Free memory was 214.3 MB in the beginning and 398.9 MB in the end (delta: -184.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. [2018-04-09 20:09:02,137 INFO L168 Benchmark]: TraceAbstraction took 235564.03 ms. Allocated memory was 462.9 MB in the beginning and 1.2 GB in the end (delta: 701.0 MB). Free memory was 398.9 MB in the beginning and 721.6 MB in the end (delta: -322.7 MB). Peak memory consumption was 378.3 MB. Max. memory is 5.3 GB. [2018-04-09 20:09:02,139 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 303.6 MB. Free memory is still 265.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 337.01 ms. Allocated memory is still 303.6 MB. Free memory was 240.5 MB in the beginning and 216.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 58.23 ms. Allocated memory is still 303.6 MB. Free memory was 216.3 MB in the beginning and 214.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 477.11 ms. Allocated memory was 303.6 MB in the beginning and 462.9 MB in the end (delta: 159.4 MB). Free memory was 214.3 MB in the beginning and 398.9 MB in the end (delta: -184.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 235564.03 ms. Allocated memory was 462.9 MB in the beginning and 1.2 GB in the end (delta: 701.0 MB). Free memory was 398.9 MB in the beginning and 721.6 MB in the end (delta: -322.7 MB). Peak memory consumption was 378.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 484 with TraceHistMax 47, while TraceCheckSpWp was constructing backward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 120 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 76 locations, 13 error locations. TIMEOUT Result, 235.5s OverallTime, 51 OverallIterations, 47 TraceHistogramMax, 134.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10023 SDtfs, 44080 SDslu, 143509 SDs, 0 SdLazy, 124162 SolverSat, 3451 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25961 GetRequests, 18717 SyntacticMatches, 1120 SemanticMatches, 6124 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 359311 ImplicationChecksByTransitivity, 145.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=907occurred in iteration=49, 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: 1.5s AutomataMinimizationTime, 50 MinimizatonAttempts, 882 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 91.9s InterpolantComputationTime, 11522 NumberOfCodeBlocks, 11522 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 22944 ConstructedInterpolants, 5411 QuantifiedInterpolants, 60189281 SizeOfPredicates, 2225 NumberOfNonLiveVariables, 26083 ConjunctsInSsa, 2243 ConjunctsInUnsatCore, 100 InterpolantComputations, 12 PerfectInterpolantSequences, 73064/296134 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_20-09-02-146.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-09_20-09-02-146.csv Completed graceful shutdown