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 0.1.23-8168ed2-m [2018-04-11 20:22:24,896 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:22:24,898 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:22:24,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-11 20:22:24,939 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 20:22:24,964 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:22:24,964 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:22:24,964 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 20:22:24,964 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 20:22:24,965 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 20:22:24,965 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 20:22:24,965 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 20:22:24,965 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 20:22:24,966 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 20:22:24,966 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 20:22:24,966 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 20:22:24,966 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 20:22:24,967 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:22:24,967 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:22:24,967 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:22:24,967 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:22:24,967 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:22:24,968 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:22:24,968 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:22:24,968 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 20:22:24,968 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:22:24,968 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:22:24,968 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:22:24,969 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 20:22:24,969 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 20:22:24,969 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:22:24,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:22:24,969 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:22:24,970 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:22:24,970 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:22:24,970 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 20:22:24,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 20:22:24,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:22:24,970 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 20:22:24,971 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 20:22:24,972 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 20:22:24,972 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 20:22:24,972 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 20:22:25,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:22:25,019 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:22:25,023 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:22:25,025 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:22:25,025 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:22:25,026 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 [2018-04-11 20:22:25,316 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGffd982f8c [2018-04-11 20:22:25,502 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:22:25,502 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:22:25,503 INFO L168 CDTParser]: Scanning java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:22:25,514 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:22:25,515 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:22:25,515 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:22:25,515 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 [2018-04-11 20:22:25,515 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:22:25,515 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 [2018-04-11 20:22:25,515 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 [2018-04-11 20:22:25,516 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:22:25,516 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 [2018-04-11 20:22:25,516 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 [2018-04-11 20:22:25,516 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 [2018-04-11 20:22:25,516 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 [2018-04-11 20:22:25,516 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 [2018-04-11 20:22:25,516 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 [2018-04-11 20:22:25,516 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,517 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,518 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,519 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,520 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,521 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,522 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,523 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,524 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 [2018-04-11 20:22:25,525 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 [2018-04-11 20:22:25,525 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 [2018-04-11 20:22:25,525 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 [2018-04-11 20:22:25,525 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 [2018-04-11 20:22:25,525 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 [2018-04-11 20:22:25,525 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 [2018-04-11 20:22:25,525 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 [2018-04-11 20:22:25,525 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 [2018-04-11 20:22:25,526 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 [2018-04-11 20:22:25,526 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 [2018-04-11 20:22:25,526 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 [2018-04-11 20:22:25,526 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 [2018-04-11 20:22:25,526 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 [2018-04-11 20:22:25,526 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 [2018-04-11 20:22:25,526 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 [2018-04-11 20:22:25,526 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,527 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 [2018-04-11 20:22:25,528 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 [2018-04-11 20:22:25,528 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 [2018-04-11 20:22:25,545 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGffd982f8c [2018-04-11 20:22:25,549 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:22:25,551 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:22:25,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:22:25,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:22:25,559 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:22:25,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b08c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25, skipping insertion in model container [2018-04-11 20:22:25,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,575 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:22:25,605 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:22:25,769 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:22:25,810 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:22:25,820 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 20:22:25,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25 WrapperNode [2018-04-11 20:22:25,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:22:25,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:22:25,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:22:25,866 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:22:25,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (1/1) ... [2018-04-11 20:22:25,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:22:25,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:22:25,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:22:25,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:22:25,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:22:26,051 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:22:26,051 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:22:26,051 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:22:26,051 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:22:26,051 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sort [2018-04-11 20:22:26,051 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:22:26,052 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:22:26,052 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:22:26,052 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:22:26,052 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:22:26,052 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:22:26,052 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:22:26,053 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:22:26,053 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:22:26,053 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:22:26,053 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:22:26,053 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:22:26,053 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:22:26,053 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:22:26,054 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:22:26,054 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:22:26,054 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:22:26,054 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:22:26,054 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:22:26,054 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:22:26,054 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:22:26,055 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:22:26,055 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:22:26,055 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:22:26,055 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:22:26,055 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:22:26,055 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:22:26,055 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:22:26,056 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:22:26,056 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:22:26,056 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:22:26,056 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:22:26,056 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:22:26,056 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:22:26,056 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:22:26,057 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:22:26,057 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:22:26,057 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:22:26,057 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:22:26,057 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:22:26,057 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:22:26,057 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:22:26,057 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:22:26,058 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:22:26,058 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:22:26,058 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:22:26,058 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:22:26,058 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:22:26,058 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:22:26,058 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:22:26,058 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:22:26,059 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:22:26,059 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:22:26,059 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:22:26,059 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:22:26,059 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:22:26,059 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:22:26,059 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:22:26,059 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:22:26,060 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:22:26,060 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:22:26,060 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:22:26,060 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:22:26,060 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:22:26,060 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:22:26,060 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:22:26,061 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:22:26,061 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:22:26,061 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:22:26,061 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:22:26,061 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:22:26,061 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:22:26,061 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:22:26,062 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:22:26,062 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:22:26,062 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:22:26,062 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:22:26,062 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:22:26,062 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:22:26,062 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:22:26,062 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:22:26,063 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:22:26,063 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:22:26,063 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:22:26,063 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:22:26,063 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:22:26,063 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:22:26,063 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:22:26,064 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:22:26,064 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:22:26,064 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:22:26,064 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:22:26,064 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:22:26,064 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:22:26,064 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:22:26,064 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:22:26,065 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:22:26,065 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:22:26,065 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:22:26,065 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:22:26,065 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:22:26,065 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:22:26,065 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:22:26,065 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:22:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fjava_BubbleSort_alloca_true_valid_memsafety_true_termination_i__sort [2018-04-11 20:22:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:22:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:22:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:22:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:22:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:22:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:22:26,066 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:22:26,067 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:22:26,446 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:22:26,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:22:26 BoogieIcfgContainer [2018-04-11 20:22:26,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:22:26,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:22:26,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:22:26,450 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:22:26,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:22:25" (1/3) ... [2018-04-11 20:22:26,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5429d263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:22:26, skipping insertion in model container [2018-04-11 20:22:26,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:22:25" (2/3) ... [2018-04-11 20:22:26,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5429d263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:22:26, skipping insertion in model container [2018-04-11 20:22:26,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:22:26" (3/3) ... [2018-04-11 20:22:26,452 INFO L107 eAbstractionObserver]: Analyzing ICFG java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:22:26,458 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:22:26,464 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-04-11 20:22:26,508 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:22:26,509 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:22:26,509 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 20:22:26,509 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:22:26,509 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:22:26,509 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:22:26,509 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:22:26,509 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:22:26,509 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:22:26,510 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:22:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-04-11 20:22:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 20:22:26,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:26,527 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:22:26,527 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]=== [2018-04-11 20:22:26,532 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 [2018-04-11 20:22:26,543 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:26,580 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:26,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:22:26,625 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:26,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:22:26,631 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:22:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:26,685 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:26,720 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:22:26,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:22:26,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:22:26,737 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:22:26,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:22:26,740 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2018-04-11 20:22:26,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:26,882 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2018-04-11 20:22:26,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:22:26,883 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-04-11 20:22:26,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:26,893 INFO L225 Difference]: With dead ends: 107 [2018-04-11 20:22:26,893 INFO L226 Difference]: Without dead ends: 57 [2018-04-11 20:22:26,896 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 [2018-04-11 20:22:26,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-11 20:22:26,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-11 20:22:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 20:22:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-04-11 20:22:26,928 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 24 [2018-04-11 20:22:26,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:26,929 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-04-11 20:22:26,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:22:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-04-11 20:22:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-11 20:22:26,930 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:26,930 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:22:26,930 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]=== [2018-04-11 20:22:26,930 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 [2018-04-11 20:22:26,937 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:26,959 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:26,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 20:22:26,970 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:26,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:22:26,973 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-11 20:22:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:27,213 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:27,497 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:22:27,497 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2018-04-11 20:22:27,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 20:22:27,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 20:22:27,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2018-04-11 20:22:27,500 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 18 states. [2018-04-11 20:22:28,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:28,277 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2018-04-11 20:22:28,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 20:22:28,277 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 24 [2018-04-11 20:22:28,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:28,283 INFO L225 Difference]: With dead ends: 138 [2018-04-11 20:22:28,283 INFO L226 Difference]: Without dead ends: 132 [2018-04-11 20:22:28,285 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2018-04-11 20:22:28,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-11 20:22:28,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 69. [2018-04-11 20:22:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-11 20:22:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-04-11 20:22:28,299 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 24 [2018-04-11 20:22:28,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:28,301 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2018-04-11 20:22:28,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 20:22:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2018-04-11 20:22:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 20:22:28,302 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:28,302 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] [2018-04-11 20:22:28,302 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]=== [2018-04-11 20:22:28,302 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 [2018-04-11 20:22:28,313 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:28,331 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:28,358 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:22:28,359 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 [2018-04-11 20:22:28,360 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:28,362 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:22:28,362 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-11 20:22:28,390 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 [2018-04-11 20:22:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:28,395 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:28,413 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 [2018-04-11 20:22:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:28,442 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:22:28,442 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-11 20:22:28,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:22:28,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:22:28,443 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-11 20:22:28,443 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 8 states. [2018-04-11 20:22:28,451 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 [2018-04-11 20:22:28,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:28,602 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-04-11 20:22:28,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:22:28,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-04-11 20:22:28,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:28,605 INFO L225 Difference]: With dead ends: 77 [2018-04-11 20:22:28,605 INFO L226 Difference]: Without dead ends: 72 [2018-04-11 20:22:28,605 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 [2018-04-11 20:22:28,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-11 20:22:28,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-04-11 20:22:28,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-11 20:22:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 77 transitions. [2018-04-11 20:22:28,619 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 77 transitions. Word has length 26 [2018-04-11 20:22:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:28,620 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 77 transitions. [2018-04-11 20:22:28,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:22:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2018-04-11 20:22:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 20:22:28,621 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:28,622 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:22:28,622 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]=== [2018-04-11 20:22:28,622 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 [2018-04-11 20:22:28,631 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:28,648 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:28,700 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:22:28,701 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 [2018-04-11 20:22:28,702 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:28,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:22:28,706 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-11 20:22:28,724 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 [2018-04-11 20:22:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:28,727 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:28,754 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 [2018-04-11 20:22:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:28,785 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:22:28,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-04-11 20:22:28,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:22:28,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:22:28,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-04-11 20:22:28,786 INFO L87 Difference]: Start difference. First operand 72 states and 77 transitions. Second operand 8 states. [2018-04-11 20:22:28,793 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 [2018-04-11 20:22:28,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:28,895 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-04-11 20:22:28,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:22:28,896 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-04-11 20:22:28,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:28,897 INFO L225 Difference]: With dead ends: 72 [2018-04-11 20:22:28,897 INFO L226 Difference]: Without dead ends: 65 [2018-04-11 20:22:28,897 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-04-11 20:22:28,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-11 20:22:28,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 62. [2018-04-11 20:22:28,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-11 20:22:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2018-04-11 20:22:28,905 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 27 [2018-04-11 20:22:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:28,905 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2018-04-11 20:22:28,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:22:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2018-04-11 20:22:28,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 20:22:28,907 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:28,907 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] [2018-04-11 20:22:28,907 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]=== [2018-04-11 20:22:28,907 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 [2018-04-11 20:22:28,913 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:28,930 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:29,001 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:29,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 20:22:29,059 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:29,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:22:29,064 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:8 [2018-04-11 20:22:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:29,180 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:22:29,181 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2018-04-11 20:22:29,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 20:22:29,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 20:22:29,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-04-11 20:22:29,182 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 18 states. [2018-04-11 20:22:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:29,493 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2018-04-11 20:22:29,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 20:22:29,493 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2018-04-11 20:22:29,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:29,494 INFO L225 Difference]: With dead ends: 85 [2018-04-11 20:22:29,494 INFO L226 Difference]: Without dead ends: 82 [2018-04-11 20:22:29,495 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 [2018-04-11 20:22:29,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-11 20:22:29,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 49. [2018-04-11 20:22:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 20:22:29,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-04-11 20:22:29,504 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 34 [2018-04-11 20:22:29,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:29,505 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-04-11 20:22:29,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 20:22:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-04-11 20:22:29,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-11 20:22:29,506 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:29,506 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] [2018-04-11 20:22:29,506 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]=== [2018-04-11 20:22:29,507 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 [2018-04-11 20:22:29,512 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:29,528 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:29,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 20:22:29,531 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:29,534 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:22:29,534 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-11 20:22:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 20:22:29,673 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 20:22:29,919 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:29,919 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2018-04-11 20:22:29,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-11 20:22:29,920 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-11 20:22:29,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-04-11 20:22:29,920 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 18 states. [2018-04-11 20:22:30,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:30,284 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2018-04-11 20:22:30,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:22:30,284 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 35 [2018-04-11 20:22:30,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:30,285 INFO L225 Difference]: With dead ends: 78 [2018-04-11 20:22:30,285 INFO L226 Difference]: Without dead ends: 77 [2018-04-11 20:22:30,286 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2018-04-11 20:22:30,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-11 20:22:30,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2018-04-11 20:22:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-11 20:22:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 77 transitions. [2018-04-11 20:22:30,298 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 77 transitions. Word has length 35 [2018-04-11 20:22:30,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:30,298 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 77 transitions. [2018-04-11 20:22:30,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-11 20:22:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2018-04-11 20:22:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-11 20:22:30,300 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:30,300 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] [2018-04-11 20:22:30,300 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]=== [2018-04-11 20:22:30,300 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 [2018-04-11 20:22:30,313 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:30,336 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 20:22:30,346 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 20:22:30,381 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:22:30,381 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-04-11 20:22:30,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:22:30,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:22:30,381 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:22:30,382 INFO L87 Difference]: Start difference. First operand 71 states and 77 transitions. Second operand 5 states. [2018-04-11 20:22:30,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:30,447 INFO L93 Difference]: Finished difference Result 133 states and 145 transitions. [2018-04-11 20:22:30,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:22:30,447 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-04-11 20:22:30,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:30,448 INFO L225 Difference]: With dead ends: 133 [2018-04-11 20:22:30,448 INFO L226 Difference]: Without dead ends: 103 [2018-04-11 20:22:30,448 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 [2018-04-11 20:22:30,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-11 20:22:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 73. [2018-04-11 20:22:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-11 20:22:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 78 transitions. [2018-04-11 20:22:30,460 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 78 transitions. Word has length 43 [2018-04-11 20:22:30,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:30,460 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 78 transitions. [2018-04-11 20:22:30,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:22:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2018-04-11 20:22:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-11 20:22:30,461 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:30,461 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] [2018-04-11 20:22:30,461 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]=== [2018-04-11 20:22:30,462 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 [2018-04-11 20:22:30,471 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:30,497 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 20:22:30,560 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 20:22:30,605 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:30,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2018-04-11 20:22:30,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:22:30,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:22:30,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:22:30,606 INFO L87 Difference]: Start difference. First operand 73 states and 78 transitions. Second operand 8 states. [2018-04-11 20:22:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:30,704 INFO L93 Difference]: Finished difference Result 177 states and 190 transitions. [2018-04-11 20:22:30,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 20:22:30,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-04-11 20:22:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:30,706 INFO L225 Difference]: With dead ends: 177 [2018-04-11 20:22:30,706 INFO L226 Difference]: Without dead ends: 142 [2018-04-11 20:22:30,707 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 [2018-04-11 20:22:30,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-11 20:22:30,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 109. [2018-04-11 20:22:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-04-11 20:22:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 116 transitions. [2018-04-11 20:22:30,724 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 116 transitions. Word has length 53 [2018-04-11 20:22:30,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:30,725 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 116 transitions. [2018-04-11 20:22:30,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:22:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 116 transitions. [2018-04-11 20:22:30,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-11 20:22:30,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:30,727 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] [2018-04-11 20:22:30,727 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]=== [2018-04-11 20:22:30,727 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 [2018-04-11 20:22:30,737 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:30,761 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:30,831 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:30,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:30,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 16 [2018-04-11 20:22:30,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-11 20:22:30,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-11 20:22:30,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-04-11 20:22:30,907 INFO L87 Difference]: Start difference. First operand 109 states and 116 transitions. Second operand 16 states. [2018-04-11 20:22:31,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:31,169 INFO L93 Difference]: Finished difference Result 255 states and 272 transitions. [2018-04-11 20:22:31,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-11 20:22:31,169 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2018-04-11 20:22:31,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:31,170 INFO L225 Difference]: With dead ends: 255 [2018-04-11 20:22:31,170 INFO L226 Difference]: Without dead ends: 181 [2018-04-11 20:22:31,171 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 [2018-04-11 20:22:31,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-04-11 20:22:31,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 147. [2018-04-11 20:22:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-04-11 20:22:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2018-04-11 20:22:31,188 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 63 [2018-04-11 20:22:31,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:31,188 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2018-04-11 20:22:31,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-11 20:22:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2018-04-11 20:22:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-11 20:22:31,189 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:31,189 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] [2018-04-11 20:22:31,189 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]=== [2018-04-11 20:22:31,189 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 [2018-04-11 20:22:31,195 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:31,225 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:31,351 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 31 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:31,352 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:31,464 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 [2018-04-11 20:22:31,464 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:31,467 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. [2018-04-11 20:22:31,468 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:22:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 19 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:31,517 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:31,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2018-04-11 20:22:31,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-11 20:22:31,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-11 20:22:31,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-04-11 20:22:31,518 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand 17 states. [2018-04-11 20:22:32,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:32,003 INFO L93 Difference]: Finished difference Result 148 states and 157 transitions. [2018-04-11 20:22:32,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 20:22:32,003 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 73 [2018-04-11 20:22:32,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:32,004 INFO L225 Difference]: With dead ends: 148 [2018-04-11 20:22:32,004 INFO L226 Difference]: Without dead ends: 147 [2018-04-11 20:22:32,004 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 126 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2018-04-11 20:22:32,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-11 20:22:32,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-04-11 20:22:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-04-11 20:22:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 156 transitions. [2018-04-11 20:22:32,018 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 156 transitions. Word has length 73 [2018-04-11 20:22:32,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:32,018 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 156 transitions. [2018-04-11 20:22:32,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-11 20:22:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2018-04-11 20:22:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-11 20:22:32,019 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:32,019 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] [2018-04-11 20:22:32,019 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]=== [2018-04-11 20:22:32,019 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 [2018-04-11 20:22:32,025 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:32,048 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 27 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:32,176 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 27 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:32,300 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:32,301 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2018-04-11 20:22:32,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 20:22:32,301 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 20:22:32,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2018-04-11 20:22:32,301 INFO L87 Difference]: Start difference. First operand 147 states and 156 transitions. Second operand 22 states. [2018-04-11 20:22:32,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:32,741 INFO L93 Difference]: Finished difference Result 331 states and 352 transitions. [2018-04-11 20:22:32,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 20:22:32,741 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 83 [2018-04-11 20:22:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:32,743 INFO L225 Difference]: With dead ends: 331 [2018-04-11 20:22:32,743 INFO L226 Difference]: Without dead ends: 219 [2018-04-11 20:22:32,744 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 [2018-04-11 20:22:32,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-04-11 20:22:32,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 185. [2018-04-11 20:22:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-11 20:22:32,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 197 transitions. [2018-04-11 20:22:32,765 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 197 transitions. Word has length 83 [2018-04-11 20:22:32,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:32,765 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 197 transitions. [2018-04-11 20:22:32,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 20:22:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 197 transitions. [2018-04-11 20:22:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-11 20:22:32,767 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:32,767 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] [2018-04-11 20:22:32,767 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]=== [2018-04-11 20:22:32,767 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 [2018-04-11 20:22:32,775 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:32,813 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 63 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:33,177 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:33,395 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 [2018-04-11 20:22:33,395 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:33,408 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. [2018-04-11 20:22:33,408 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:22:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 42 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:33,513 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:33,513 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2018-04-11 20:22:33,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 20:22:33,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 20:22:33,514 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2018-04-11 20:22:33,514 INFO L87 Difference]: Start difference. First operand 185 states and 197 transitions. Second operand 23 states. [2018-04-11 20:22:34,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:34,250 INFO L93 Difference]: Finished difference Result 186 states and 197 transitions. [2018-04-11 20:22:34,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-11 20:22:34,250 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 93 [2018-04-11 20:22:34,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:34,252 INFO L225 Difference]: With dead ends: 186 [2018-04-11 20:22:34,252 INFO L226 Difference]: Without dead ends: 185 [2018-04-11 20:22:34,253 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 158 SyntacticMatches, 7 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=386, Invalid=1506, Unknown=0, NotChecked=0, Total=1892 [2018-04-11 20:22:34,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-04-11 20:22:34,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-04-11 20:22:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-04-11 20:22:34,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 196 transitions. [2018-04-11 20:22:34,273 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 196 transitions. Word has length 93 [2018-04-11 20:22:34,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:34,274 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 196 transitions. [2018-04-11 20:22:34,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 20:22:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 196 transitions. [2018-04-11 20:22:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-04-11 20:22:34,275 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:34,275 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] [2018-04-11 20:22:34,276 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]=== [2018-04-11 20:22:34,276 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 [2018-04-11 20:22:34,283 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:34,310 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 53 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:34,440 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:34,578 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 53 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:34,599 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:34,599 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 28 [2018-04-11 20:22:34,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-11 20:22:34,600 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-11 20:22:34,600 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2018-04-11 20:22:34,600 INFO L87 Difference]: Start difference. First operand 185 states and 196 transitions. Second operand 28 states. [2018-04-11 20:22:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:35,085 INFO L93 Difference]: Finished difference Result 407 states and 432 transitions. [2018-04-11 20:22:35,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-11 20:22:35,085 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 103 [2018-04-11 20:22:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:35,086 INFO L225 Difference]: With dead ends: 407 [2018-04-11 20:22:35,086 INFO L226 Difference]: Without dead ends: 257 [2018-04-11 20:22:35,088 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 [2018-04-11 20:22:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-04-11 20:22:35,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 223. [2018-04-11 20:22:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-11 20:22:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 237 transitions. [2018-04-11 20:22:35,103 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 237 transitions. Word has length 103 [2018-04-11 20:22:35,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:35,103 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 237 transitions. [2018-04-11 20:22:35,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-11 20:22:35,103 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 237 transitions. [2018-04-11 20:22:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-04-11 20:22:35,104 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:35,104 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] [2018-04-11 20:22:35,104 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]=== [2018-04-11 20:22:35,104 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 [2018-04-11 20:22:35,111 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:35,142 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 105 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:35,375 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:35,619 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 [2018-04-11 20:22:35,619 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:35,622 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. [2018-04-11 20:22:35,623 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:22:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 75 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:35,710 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:35,710 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2018-04-11 20:22:35,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-11 20:22:35,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-11 20:22:35,711 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=686, Unknown=0, NotChecked=0, Total=812 [2018-04-11 20:22:35,711 INFO L87 Difference]: Start difference. First operand 223 states and 237 transitions. Second operand 29 states. [2018-04-11 20:22:36,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:36,660 INFO L93 Difference]: Finished difference Result 224 states and 237 transitions. [2018-04-11 20:22:36,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-11 20:22:36,660 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 113 [2018-04-11 20:22:36,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:36,662 INFO L225 Difference]: With dead ends: 224 [2018-04-11 20:22:36,662 INFO L226 Difference]: Without dead ends: 223 [2018-04-11 20:22:36,663 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 190 SyntacticMatches, 9 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=581, Invalid=2499, Unknown=0, NotChecked=0, Total=3080 [2018-04-11 20:22:36,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-04-11 20:22:36,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-04-11 20:22:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-04-11 20:22:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 236 transitions. [2018-04-11 20:22:36,681 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 236 transitions. Word has length 113 [2018-04-11 20:22:36,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:36,682 INFO L459 AbstractCegarLoop]: Abstraction has 223 states and 236 transitions. [2018-04-11 20:22:36,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-11 20:22:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 236 transitions. [2018-04-11 20:22:36,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-04-11 20:22:36,683 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:36,683 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] [2018-04-11 20:22:36,683 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]=== [2018-04-11 20:22:36,683 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 [2018-04-11 20:22:36,696 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:36,725 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 89 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:36,915 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 89 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:37,123 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:37,123 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2018-04-11 20:22:37,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-11 20:22:37,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-11 20:22:37,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=956, Unknown=0, NotChecked=0, Total=1122 [2018-04-11 20:22:37,125 INFO L87 Difference]: Start difference. First operand 223 states and 236 transitions. Second operand 34 states. [2018-04-11 20:22:37,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:37,759 INFO L93 Difference]: Finished difference Result 483 states and 512 transitions. [2018-04-11 20:22:37,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-11 20:22:37,783 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 123 [2018-04-11 20:22:37,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:37,785 INFO L225 Difference]: With dead ends: 483 [2018-04-11 20:22:37,785 INFO L226 Difference]: Without dead ends: 295 [2018-04-11 20:22:37,786 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 [2018-04-11 20:22:37,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-04-11 20:22:37,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 261. [2018-04-11 20:22:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-11 20:22:37,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 277 transitions. [2018-04-11 20:22:37,803 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 277 transitions. Word has length 123 [2018-04-11 20:22:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:37,803 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 277 transitions. [2018-04-11 20:22:37,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-11 20:22:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 277 transitions. [2018-04-11 20:22:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-04-11 20:22:37,804 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:37,805 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] [2018-04-11 20:22:37,805 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]=== [2018-04-11 20:22:37,805 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 [2018-04-11 20:22:37,820 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:37,853 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 157 proven. 358 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:38,123 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:38,372 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 [2018-04-11 20:22:38,372 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:38,375 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. [2018-04-11 20:22:38,375 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:22:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 118 proven. 397 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:38,472 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:38,473 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2018-04-11 20:22:38,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 20:22:38,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 20:22:38,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1016, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 20:22:38,474 INFO L87 Difference]: Start difference. First operand 261 states and 277 transitions. Second operand 35 states. [2018-04-11 20:22:39,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:39,724 INFO L93 Difference]: Finished difference Result 262 states and 277 transitions. [2018-04-11 20:22:39,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-11 20:22:39,724 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 133 [2018-04-11 20:22:39,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:39,725 INFO L225 Difference]: With dead ends: 262 [2018-04-11 20:22:39,725 INFO L226 Difference]: Without dead ends: 261 [2018-04-11 20:22:39,726 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 [2018-04-11 20:22:39,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-04-11 20:22:39,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-04-11 20:22:39,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-04-11 20:22:39,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 276 transitions. [2018-04-11 20:22:39,744 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 276 transitions. Word has length 133 [2018-04-11 20:22:39,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:39,744 INFO L459 AbstractCegarLoop]: Abstraction has 261 states and 276 transitions. [2018-04-11 20:22:39,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 20:22:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 276 transitions. [2018-04-11 20:22:39,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-04-11 20:22:39,746 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:39,746 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] [2018-04-11 20:22:39,746 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]=== [2018-04-11 20:22:39,747 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 [2018-04-11 20:22:39,761 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:39,805 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 135 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:40,062 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 135 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:40,335 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:40,336 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 40 [2018-04-11 20:22:40,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-11 20:22:40,336 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-11 20:22:40,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1338, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 20:22:40,337 INFO L87 Difference]: Start difference. First operand 261 states and 276 transitions. Second operand 40 states. [2018-04-11 20:22:41,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:41,667 INFO L93 Difference]: Finished difference Result 559 states and 592 transitions. [2018-04-11 20:22:41,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-11 20:22:41,667 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 143 [2018-04-11 20:22:41,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:41,669 INFO L225 Difference]: With dead ends: 559 [2018-04-11 20:22:41,670 INFO L226 Difference]: Without dead ends: 333 [2018-04-11 20:22:41,672 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 232 SyntacticMatches, 16 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=887, Invalid=4225, Unknown=0, NotChecked=0, Total=5112 [2018-04-11 20:22:41,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-04-11 20:22:41,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 299. [2018-04-11 20:22:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-04-11 20:22:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 317 transitions. [2018-04-11 20:22:41,701 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 317 transitions. Word has length 143 [2018-04-11 20:22:41,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:41,702 INFO L459 AbstractCegarLoop]: Abstraction has 299 states and 317 transitions. [2018-04-11 20:22:41,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-11 20:22:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 317 transitions. [2018-04-11 20:22:41,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-04-11 20:22:41,703 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:41,703 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] [2018-04-11 20:22:41,703 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]=== [2018-04-11 20:22:41,703 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 [2018-04-11 20:22:41,709 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:41,748 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 219 proven. 518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:42,132 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:42,493 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 [2018-04-11 20:22:42,493 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:42,496 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. [2018-04-11 20:22:42,496 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:22:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 171 proven. 566 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:42,640 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:42,640 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2018-04-11 20:22:42,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-11 20:22:42,641 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-11 20:22:42,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1410, Unknown=0, NotChecked=0, Total=1640 [2018-04-11 20:22:42,641 INFO L87 Difference]: Start difference. First operand 299 states and 317 transitions. Second operand 41 states. [2018-04-11 20:22:44,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:44,036 INFO L93 Difference]: Finished difference Result 300 states and 317 transitions. [2018-04-11 20:22:44,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-11 20:22:44,037 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 153 [2018-04-11 20:22:44,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:44,038 INFO L225 Difference]: With dead ends: 300 [2018-04-11 20:22:44,038 INFO L226 Difference]: Without dead ends: 299 [2018-04-11 20:22:44,039 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 [2018-04-11 20:22:44,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-04-11 20:22:44,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-04-11 20:22:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-04-11 20:22:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 316 transitions. [2018-04-11 20:22:44,066 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 316 transitions. Word has length 153 [2018-04-11 20:22:44,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:44,066 INFO L459 AbstractCegarLoop]: Abstraction has 299 states and 316 transitions. [2018-04-11 20:22:44,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-11 20:22:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 316 transitions. [2018-04-11 20:22:44,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-04-11 20:22:44,068 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:44,068 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] [2018-04-11 20:22:44,068 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]=== [2018-04-11 20:22:44,068 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 [2018-04-11 20:22:44,081 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:44,125 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 191 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:44,468 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:44,793 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 191 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:44,812 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:44,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 46 [2018-04-11 20:22:44,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-11 20:22:44,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-11 20:22:44,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1784, Unknown=0, NotChecked=0, Total=2070 [2018-04-11 20:22:44,815 INFO L87 Difference]: Start difference. First operand 299 states and 316 transitions. Second operand 46 states. [2018-04-11 20:22:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:45,853 INFO L93 Difference]: Finished difference Result 635 states and 672 transitions. [2018-04-11 20:22:45,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-11 20:22:45,853 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 163 [2018-04-11 20:22:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:45,855 INFO L225 Difference]: With dead ends: 635 [2018-04-11 20:22:45,855 INFO L226 Difference]: Without dead ends: 371 [2018-04-11 20:22:45,857 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 264 SyntacticMatches, 18 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1894 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1156, Invalid=5650, Unknown=0, NotChecked=0, Total=6806 [2018-04-11 20:22:45,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-04-11 20:22:45,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 337. [2018-04-11 20:22:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-11 20:22:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 357 transitions. [2018-04-11 20:22:45,875 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 357 transitions. Word has length 163 [2018-04-11 20:22:45,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:45,876 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 357 transitions. [2018-04-11 20:22:45,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-11 20:22:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 357 transitions. [2018-04-11 20:22:45,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-04-11 20:22:45,877 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:45,877 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] [2018-04-11 20:22:45,877 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]=== [2018-04-11 20:22:45,877 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 [2018-04-11 20:22:45,892 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:45,937 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 291 proven. 708 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:46,367 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:46,721 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 [2018-04-11 20:22:46,721 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:46,723 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. [2018-04-11 20:22:46,724 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:22:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 234 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:46,876 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:46,876 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2018-04-11 20:22:46,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-11 20:22:46,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-11 20:22:46,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=1868, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 20:22:46,877 INFO L87 Difference]: Start difference. First operand 337 states and 357 transitions. Second operand 47 states. [2018-04-11 20:22:48,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:48,669 INFO L93 Difference]: Finished difference Result 338 states and 357 transitions. [2018-04-11 20:22:48,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-11 20:22:48,670 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 173 [2018-04-11 20:22:48,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:48,671 INFO L225 Difference]: With dead ends: 338 [2018-04-11 20:22:48,671 INFO L226 Difference]: Without dead ends: 337 [2018-04-11 20:22:48,673 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 [2018-04-11 20:22:48,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-11 20:22:48,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-04-11 20:22:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-04-11 20:22:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 356 transitions. [2018-04-11 20:22:48,704 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 356 transitions. Word has length 173 [2018-04-11 20:22:48,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:48,704 INFO L459 AbstractCegarLoop]: Abstraction has 337 states and 356 transitions. [2018-04-11 20:22:48,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-11 20:22:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 356 transitions. [2018-04-11 20:22:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-04-11 20:22:48,706 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:48,706 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] [2018-04-11 20:22:48,706 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]=== [2018-04-11 20:22:48,706 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 [2018-04-11 20:22:48,715 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:48,763 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 257 proven. 888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:49,129 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 257 proven. 888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:49,621 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:49,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 52 [2018-04-11 20:22:49,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-11 20:22:49,622 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-11 20:22:49,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=2294, Unknown=0, NotChecked=0, Total=2652 [2018-04-11 20:22:49,623 INFO L87 Difference]: Start difference. First operand 337 states and 356 transitions. Second operand 52 states. [2018-04-11 20:22:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:50,816 INFO L93 Difference]: Finished difference Result 711 states and 752 transitions. [2018-04-11 20:22:50,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-11 20:22:50,816 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 183 [2018-04-11 20:22:50,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:50,817 INFO L225 Difference]: With dead ends: 711 [2018-04-11 20:22:50,817 INFO L226 Difference]: Without dead ends: 409 [2018-04-11 20:22:50,819 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 296 SyntacticMatches, 20 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1460, Invalid=7282, Unknown=0, NotChecked=0, Total=8742 [2018-04-11 20:22:50,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-04-11 20:22:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 375. [2018-04-11 20:22:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-11 20:22:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 397 transitions. [2018-04-11 20:22:50,839 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 397 transitions. Word has length 183 [2018-04-11 20:22:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:50,840 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 397 transitions. [2018-04-11 20:22:50,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-11 20:22:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 397 transitions. [2018-04-11 20:22:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-04-11 20:22:50,841 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:50,841 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] [2018-04-11 20:22:50,842 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]=== [2018-04-11 20:22:50,842 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 [2018-04-11 20:22:50,848 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:50,894 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 373 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:51,435 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:51,896 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 [2018-04-11 20:22:51,896 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:51,900 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. [2018-04-11 20:22:51,900 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:22:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 307 proven. 994 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:52,076 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:52,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2018-04-11 20:22:52,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-04-11 20:22:52,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-04-11 20:22:52,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=2390, Unknown=0, NotChecked=0, Total=2756 [2018-04-11 20:22:52,078 INFO L87 Difference]: Start difference. First operand 375 states and 397 transitions. Second operand 53 states. [2018-04-11 20:22:54,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:54,014 INFO L93 Difference]: Finished difference Result 376 states and 397 transitions. [2018-04-11 20:22:54,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-11 20:22:54,015 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 193 [2018-04-11 20:22:54,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:54,017 INFO L225 Difference]: With dead ends: 376 [2018-04-11 20:22:54,017 INFO L226 Difference]: Without dead ends: 375 [2018-04-11 20:22:54,018 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 318 SyntacticMatches, 17 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3477 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1761, Invalid=8951, Unknown=0, NotChecked=0, Total=10712 [2018-04-11 20:22:54,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-04-11 20:22:54,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2018-04-11 20:22:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-04-11 20:22:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 396 transitions. [2018-04-11 20:22:54,038 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 396 transitions. Word has length 193 [2018-04-11 20:22:54,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:54,038 INFO L459 AbstractCegarLoop]: Abstraction has 375 states and 396 transitions. [2018-04-11 20:22:54,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-04-11 20:22:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 396 transitions. [2018-04-11 20:22:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-04-11 20:22:54,039 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:54,039 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] [2018-04-11 20:22:54,039 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]=== [2018-04-11 20:22:54,040 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 [2018-04-11 20:22:54,050 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:54,107 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 333 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:54,631 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 333 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:55,177 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:55,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 58 [2018-04-11 20:22:55,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-04-11 20:22:55,178 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-04-11 20:22:55,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=438, Invalid=2868, Unknown=0, NotChecked=0, Total=3306 [2018-04-11 20:22:55,178 INFO L87 Difference]: Start difference. First operand 375 states and 396 transitions. Second operand 58 states. [2018-04-11 20:22:56,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:22:56,512 INFO L93 Difference]: Finished difference Result 787 states and 832 transitions. [2018-04-11 20:22:56,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-11 20:22:56,512 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 203 [2018-04-11 20:22:56,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:22:56,514 INFO L225 Difference]: With dead ends: 787 [2018-04-11 20:22:56,514 INFO L226 Difference]: Without dead ends: 447 [2018-04-11 20:22:56,515 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 [2018-04-11 20:22:56,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-04-11 20:22:56,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 413. [2018-04-11 20:22:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-11 20:22:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 437 transitions. [2018-04-11 20:22:56,538 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 437 transitions. Word has length 203 [2018-04-11 20:22:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:22:56,539 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 437 transitions. [2018-04-11 20:22:56,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-04-11 20:22:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 437 transitions. [2018-04-11 20:22:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-04-11 20:22:56,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:22:56,540 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] [2018-04-11 20:22:56,540 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]=== [2018-04-11 20:22:56,540 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 [2018-04-11 20:22:56,546 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:22:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:22:56,597 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:22:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 465 proven. 1178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:57,216 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:22:57,730 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 [2018-04-11 20:22:57,730 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:22:57,733 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. [2018-04-11 20:22:57,733 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:22:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 390 proven. 1253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:22:57,998 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:22:57,998 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 58 [2018-04-11 20:22:57,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-11 20:22:57,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-11 20:22:57,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=446, Invalid=2976, Unknown=0, NotChecked=0, Total=3422 [2018-04-11 20:22:58,000 INFO L87 Difference]: Start difference. First operand 413 states and 437 transitions. Second operand 59 states. [2018-04-11 20:23:00,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:00,572 INFO L93 Difference]: Finished difference Result 414 states and 437 transitions. [2018-04-11 20:23:00,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-11 20:23:00,607 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 213 [2018-04-11 20:23:00,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:00,608 INFO L225 Difference]: With dead ends: 414 [2018-04-11 20:23:00,609 INFO L226 Difference]: Without dead ends: 413 [2018-04-11 20:23:00,610 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 [2018-04-11 20:23:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-04-11 20:23:00,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2018-04-11 20:23:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-04-11 20:23:00,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 436 transitions. [2018-04-11 20:23:00,639 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 436 transitions. Word has length 213 [2018-04-11 20:23:00,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:00,639 INFO L459 AbstractCegarLoop]: Abstraction has 413 states and 436 transitions. [2018-04-11 20:23:00,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-11 20:23:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 436 transitions. [2018-04-11 20:23:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-04-11 20:23:00,641 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:00,642 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] [2018-04-11 20:23:00,642 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]=== [2018-04-11 20:23:00,642 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 [2018-04-11 20:23:00,648 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:00,705 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 419 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:01,238 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 419 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:01,838 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:01,838 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 64 [2018-04-11 20:23:01,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-11 20:23:01,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-11 20:23:01,839 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=526, Invalid=3506, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 20:23:01,839 INFO L87 Difference]: Start difference. First operand 413 states and 436 transitions. Second operand 64 states. [2018-04-11 20:23:03,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:03,374 INFO L93 Difference]: Finished difference Result 863 states and 912 transitions. [2018-04-11 20:23:03,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-11 20:23:03,374 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 223 [2018-04-11 20:23:03,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:03,376 INFO L225 Difference]: With dead ends: 863 [2018-04-11 20:23:03,376 INFO L226 Difference]: Without dead ends: 485 [2018-04-11 20:23:03,377 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 [2018-04-11 20:23:03,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-04-11 20:23:03,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 451. [2018-04-11 20:23:03,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-04-11 20:23:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 477 transitions. [2018-04-11 20:23:03,402 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 477 transitions. Word has length 223 [2018-04-11 20:23:03,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:03,403 INFO L459 AbstractCegarLoop]: Abstraction has 451 states and 477 transitions. [2018-04-11 20:23:03,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-11 20:23:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 477 transitions. [2018-04-11 20:23:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-04-11 20:23:03,404 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:03,404 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] [2018-04-11 20:23:03,404 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]=== [2018-04-11 20:23:03,404 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 [2018-04-11 20:23:03,410 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:03,471 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 567 proven. 1458 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:04,656 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:05,399 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 [2018-04-11 20:23:05,400 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:23:05,402 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. [2018-04-11 20:23:05,402 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:23:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 483 proven. 1542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:05,659 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:05,673 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 64 [2018-04-11 20:23:05,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-11 20:23:05,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-11 20:23:05,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=3626, Unknown=0, NotChecked=0, Total=4160 [2018-04-11 20:23:05,675 INFO L87 Difference]: Start difference. First operand 451 states and 477 transitions. Second operand 65 states. [2018-04-11 20:23:08,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:08,673 INFO L93 Difference]: Finished difference Result 452 states and 477 transitions. [2018-04-11 20:23:08,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-04-11 20:23:08,673 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 233 [2018-04-11 20:23:08,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:08,676 INFO L225 Difference]: With dead ends: 452 [2018-04-11 20:23:08,676 INFO L226 Difference]: Without dead ends: 451 [2018-04-11 20:23:08,677 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 382 SyntacticMatches, 21 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5496 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2591, Invalid=13665, Unknown=0, NotChecked=0, Total=16256 [2018-04-11 20:23:08,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-04-11 20:23:08,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2018-04-11 20:23:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-04-11 20:23:08,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 476 transitions. [2018-04-11 20:23:08,721 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 476 transitions. Word has length 233 [2018-04-11 20:23:08,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:08,722 INFO L459 AbstractCegarLoop]: Abstraction has 451 states and 476 transitions. [2018-04-11 20:23:08,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-11 20:23:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 476 transitions. [2018-04-11 20:23:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-04-11 20:23:08,724 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:08,724 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] [2018-04-11 20:23:08,724 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]=== [2018-04-11 20:23:08,725 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 [2018-04-11 20:23:08,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:08,815 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 515 proven. 1716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:09,469 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 515 proven. 1716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:10,166 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:10,166 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 70 [2018-04-11 20:23:10,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-04-11 20:23:10,167 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-04-11 20:23:10,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=4208, Unknown=0, NotChecked=0, Total=4830 [2018-04-11 20:23:10,167 INFO L87 Difference]: Start difference. First operand 451 states and 476 transitions. Second operand 70 states. [2018-04-11 20:23:11,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:11,986 INFO L93 Difference]: Finished difference Result 939 states and 992 transitions. [2018-04-11 20:23:11,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-04-11 20:23:11,986 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 243 [2018-04-11 20:23:11,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:11,988 INFO L225 Difference]: With dead ends: 939 [2018-04-11 20:23:11,988 INFO L226 Difference]: Without dead ends: 523 [2018-04-11 20:23:11,989 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 392 SyntacticMatches, 26 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4690 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2582, Invalid=13420, Unknown=0, NotChecked=0, Total=16002 [2018-04-11 20:23:11,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2018-04-11 20:23:12,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 489. [2018-04-11 20:23:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-04-11 20:23:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 517 transitions. [2018-04-11 20:23:12,023 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 517 transitions. Word has length 243 [2018-04-11 20:23:12,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:12,023 INFO L459 AbstractCegarLoop]: Abstraction has 489 states and 517 transitions. [2018-04-11 20:23:12,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-04-11 20:23:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 517 transitions. [2018-04-11 20:23:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-04-11 20:23:12,025 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:12,025 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] [2018-04-11 20:23:12,026 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]=== [2018-04-11 20:23:12,026 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 [2018-04-11 20:23:12,034 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:12,089 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:12,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 679 proven. 1768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:12,903 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:13,658 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 [2018-04-11 20:23:13,659 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:23:13,662 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. [2018-04-11 20:23:13,662 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:23:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2447 backedges. 586 proven. 1861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:14,171 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:14,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 70 [2018-04-11 20:23:14,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-04-11 20:23:14,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-04-11 20:23:14,173 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=4340, Unknown=0, NotChecked=0, Total=4970 [2018-04-11 20:23:14,173 INFO L87 Difference]: Start difference. First operand 489 states and 517 transitions. Second operand 71 states. [2018-04-11 20:23:17,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:17,428 INFO L93 Difference]: Finished difference Result 490 states and 517 transitions. [2018-04-11 20:23:17,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-04-11 20:23:17,429 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 253 [2018-04-11 20:23:17,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:17,430 INFO L225 Difference]: With dead ends: 490 [2018-04-11 20:23:17,430 INFO L226 Difference]: Without dead ends: 489 [2018-04-11 20:23:17,431 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 [2018-04-11 20:23:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-11 20:23:17,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-04-11 20:23:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-04-11 20:23:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 516 transitions. [2018-04-11 20:23:17,476 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 516 transitions. Word has length 253 [2018-04-11 20:23:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:17,477 INFO L459 AbstractCegarLoop]: Abstraction has 489 states and 516 transitions. [2018-04-11 20:23:17,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-04-11 20:23:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 516 transitions. [2018-04-11 20:23:17,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-04-11 20:23:17,478 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:17,478 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] [2018-04-11 20:23:17,478 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]=== [2018-04-11 20:23:17,478 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 [2018-04-11 20:23:17,483 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:17,547 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2673 backedges. 621 proven. 2052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:18,261 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:19,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2673 backedges. 621 proven. 2052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:19,074 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:19,075 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53] total 76 [2018-04-11 20:23:19,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-04-11 20:23:19,075 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-04-11 20:23:19,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=4974, Unknown=0, NotChecked=0, Total=5700 [2018-04-11 20:23:19,076 INFO L87 Difference]: Start difference. First operand 489 states and 516 transitions. Second operand 76 states. [2018-04-11 20:23:21,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:21,063 INFO L93 Difference]: Finished difference Result 1015 states and 1072 transitions. [2018-04-11 20:23:21,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-04-11 20:23:21,064 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 263 [2018-04-11 20:23:21,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:21,065 INFO L225 Difference]: With dead ends: 1015 [2018-04-11 20:23:21,065 INFO L226 Difference]: Without dead ends: 561 [2018-04-11 20:23:21,067 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 [2018-04-11 20:23:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-04-11 20:23:21,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 527. [2018-04-11 20:23:21,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-04-11 20:23:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 557 transitions. [2018-04-11 20:23:21,099 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 557 transitions. Word has length 263 [2018-04-11 20:23:21,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:21,099 INFO L459 AbstractCegarLoop]: Abstraction has 527 states and 557 transitions. [2018-04-11 20:23:21,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-04-11 20:23:21,099 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 557 transitions. [2018-04-11 20:23:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-04-11 20:23:21,101 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:21,101 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] [2018-04-11 20:23:21,102 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]=== [2018-04-11 20:23:21,102 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 [2018-04-11 20:23:21,111 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:21,179 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2909 backedges. 801 proven. 2108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:22,115 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:22,893 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 [2018-04-11 20:23:22,893 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:23:22,896 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. [2018-04-11 20:23:22,896 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:23:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2909 backedges. 699 proven. 2210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:23,226 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:23,227 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 76 [2018-04-11 20:23:23,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-04-11 20:23:23,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-04-11 20:23:23,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=734, Invalid=5118, Unknown=0, NotChecked=0, Total=5852 [2018-04-11 20:23:23,228 INFO L87 Difference]: Start difference. First operand 527 states and 557 transitions. Second operand 77 states. [2018-04-11 20:23:26,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:26,726 INFO L93 Difference]: Finished difference Result 528 states and 557 transitions. [2018-04-11 20:23:26,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-04-11 20:23:26,726 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 273 [2018-04-11 20:23:26,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:26,728 INFO L225 Difference]: With dead ends: 528 [2018-04-11 20:23:26,728 INFO L226 Difference]: Without dead ends: 527 [2018-04-11 20:23:26,729 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 446 SyntacticMatches, 25 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7975 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=3581, Invalid=19371, Unknown=0, NotChecked=0, Total=22952 [2018-04-11 20:23:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2018-04-11 20:23:26,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2018-04-11 20:23:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-04-11 20:23:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 556 transitions. [2018-04-11 20:23:26,772 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 556 transitions. Word has length 273 [2018-04-11 20:23:26,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:26,773 INFO L459 AbstractCegarLoop]: Abstraction has 527 states and 556 transitions. [2018-04-11 20:23:26,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-04-11 20:23:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 556 transitions. [2018-04-11 20:23:26,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-04-11 20:23:26,775 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:26,775 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] [2018-04-11 20:23:26,776 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]=== [2018-04-11 20:23:26,776 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 [2018-04-11 20:23:26,784 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:26,886 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3155 backedges. 737 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:27,730 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3155 backedges. 737 proven. 2418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:28,663 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:28,664 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57] total 82 [2018-04-11 20:23:28,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-04-11 20:23:28,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-04-11 20:23:28,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=838, Invalid=5804, Unknown=0, NotChecked=0, Total=6642 [2018-04-11 20:23:28,665 INFO L87 Difference]: Start difference. First operand 527 states and 556 transitions. Second operand 82 states. [2018-04-11 20:23:30,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:30,863 INFO L93 Difference]: Finished difference Result 1091 states and 1152 transitions. [2018-04-11 20:23:30,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-04-11 20:23:30,863 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 283 [2018-04-11 20:23:30,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:30,865 INFO L225 Difference]: With dead ends: 1091 [2018-04-11 20:23:30,865 INFO L226 Difference]: Without dead ends: 599 [2018-04-11 20:23:30,867 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 [2018-04-11 20:23:30,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2018-04-11 20:23:30,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 565. [2018-04-11 20:23:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2018-04-11 20:23:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 597 transitions. [2018-04-11 20:23:30,908 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 597 transitions. Word has length 283 [2018-04-11 20:23:30,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:30,908 INFO L459 AbstractCegarLoop]: Abstraction has 565 states and 597 transitions. [2018-04-11 20:23:30,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-04-11 20:23:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 597 transitions. [2018-04-11 20:23:30,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-04-11 20:23:30,910 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:30,910 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] [2018-04-11 20:23:30,910 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]=== [2018-04-11 20:23:30,911 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 [2018-04-11 20:23:30,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:30,990 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3411 backedges. 933 proven. 2478 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:32,160 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:33,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-11 20:23:33,089 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:23:33,091 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. [2018-04-11 20:23:33,092 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:23:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3411 backedges. 822 proven. 2589 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:33,489 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:33,489 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 82 [2018-04-11 20:23:33,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-04-11 20:23:33,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-04-11 20:23:33,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806 [2018-04-11 20:23:33,491 INFO L87 Difference]: Start difference. First operand 565 states and 597 transitions. Second operand 83 states. [2018-04-11 20:23:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:37,923 INFO L93 Difference]: Finished difference Result 566 states and 597 transitions. [2018-04-11 20:23:37,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-04-11 20:23:37,923 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 293 [2018-04-11 20:23:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:37,925 INFO L225 Difference]: With dead ends: 566 [2018-04-11 20:23:37,925 INFO L226 Difference]: Without dead ends: 565 [2018-04-11 20:23:37,928 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 [2018-04-11 20:23:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-04-11 20:23:37,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 565. [2018-04-11 20:23:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2018-04-11 20:23:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 596 transitions. [2018-04-11 20:23:37,963 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 596 transitions. Word has length 293 [2018-04-11 20:23:37,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:37,963 INFO L459 AbstractCegarLoop]: Abstraction has 565 states and 596 transitions. [2018-04-11 20:23:37,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-04-11 20:23:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 596 transitions. [2018-04-11 20:23:37,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-04-11 20:23:37,964 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:37,965 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] [2018-04-11 20:23:37,965 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]=== [2018-04-11 20:23:37,965 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 [2018-04-11 20:23:37,970 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:38,041 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 863 proven. 2814 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:38,981 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3677 backedges. 863 proven. 2814 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:40,068 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:40,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61] total 88 [2018-04-11 20:23:40,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-04-11 20:23:40,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-04-11 20:23:40,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=6698, Unknown=0, NotChecked=0, Total=7656 [2018-04-11 20:23:40,071 INFO L87 Difference]: Start difference. First operand 565 states and 596 transitions. Second operand 88 states. [2018-04-11 20:23:42,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:42,357 INFO L93 Difference]: Finished difference Result 1167 states and 1232 transitions. [2018-04-11 20:23:42,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-04-11 20:23:42,357 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 303 [2018-04-11 20:23:42,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:42,359 INFO L225 Difference]: With dead ends: 1167 [2018-04-11 20:23:42,359 INFO L226 Difference]: Without dead ends: 637 [2018-04-11 20:23:42,362 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 [2018-04-11 20:23:42,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-04-11 20:23:42,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 603. [2018-04-11 20:23:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2018-04-11 20:23:42,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 637 transitions. [2018-04-11 20:23:42,394 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 637 transitions. Word has length 303 [2018-04-11 20:23:42,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:42,394 INFO L459 AbstractCegarLoop]: Abstraction has 603 states and 637 transitions. [2018-04-11 20:23:42,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-04-11 20:23:42,394 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 637 transitions. [2018-04-11 20:23:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-04-11 20:23:42,396 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:42,397 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] [2018-04-11 20:23:42,397 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]=== [2018-04-11 20:23:42,397 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 [2018-04-11 20:23:42,403 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:42,479 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3953 backedges. 1075 proven. 2878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:43,758 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:44,769 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 [2018-04-11 20:23:44,770 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:23:44,772 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. [2018-04-11 20:23:44,772 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:23:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3953 backedges. 955 proven. 2998 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:45,199 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:45,199 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 88 [2018-04-11 20:23:45,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-04-11 20:23:45,200 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-04-11 20:23:45,201 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=6866, Unknown=0, NotChecked=0, Total=7832 [2018-04-11 20:23:45,201 INFO L87 Difference]: Start difference. First operand 603 states and 637 transitions. Second operand 89 states. [2018-04-11 20:23:49,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:49,904 INFO L93 Difference]: Finished difference Result 604 states and 637 transitions. [2018-04-11 20:23:49,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-04-11 20:23:49,904 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 313 [2018-04-11 20:23:49,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:49,906 INFO L225 Difference]: With dead ends: 604 [2018-04-11 20:23:49,906 INFO L226 Difference]: Without dead ends: 603 [2018-04-11 20:23:49,907 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 510 SyntacticMatches, 29 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10914 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=4731, Invalid=26069, Unknown=0, NotChecked=0, Total=30800 [2018-04-11 20:23:49,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2018-04-11 20:23:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2018-04-11 20:23:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2018-04-11 20:23:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 636 transitions. [2018-04-11 20:23:49,941 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 636 transitions. Word has length 313 [2018-04-11 20:23:49,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:49,941 INFO L459 AbstractCegarLoop]: Abstraction has 603 states and 636 transitions. [2018-04-11 20:23:49,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-04-11 20:23:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 636 transitions. [2018-04-11 20:23:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-04-11 20:23:49,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:49,942 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] [2018-04-11 20:23:49,943 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]=== [2018-04-11 20:23:49,943 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 [2018-04-11 20:23:49,950 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:50,034 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4239 backedges. 999 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:51,140 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4239 backedges. 999 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:52,332 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:52,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65] total 94 [2018-04-11 20:23:52,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-04-11 20:23:52,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-04-11 20:23:52,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1086, Invalid=7656, Unknown=0, NotChecked=0, Total=8742 [2018-04-11 20:23:52,333 INFO L87 Difference]: Start difference. First operand 603 states and 636 transitions. Second operand 94 states. [2018-04-11 20:23:54,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:23:54,938 INFO L93 Difference]: Finished difference Result 1243 states and 1312 transitions. [2018-04-11 20:23:54,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-04-11 20:23:54,952 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 323 [2018-04-11 20:23:54,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:23:54,955 INFO L225 Difference]: With dead ends: 1243 [2018-04-11 20:23:54,955 INFO L226 Difference]: Without dead ends: 675 [2018-04-11 20:23:54,958 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 [2018-04-11 20:23:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2018-04-11 20:23:55,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 641. [2018-04-11 20:23:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2018-04-11 20:23:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 677 transitions. [2018-04-11 20:23:55,003 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 677 transitions. Word has length 323 [2018-04-11 20:23:55,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:23:55,004 INFO L459 AbstractCegarLoop]: Abstraction has 641 states and 677 transitions. [2018-04-11 20:23:55,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-04-11 20:23:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 677 transitions. [2018-04-11 20:23:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-04-11 20:23:55,005 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:23:55,005 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] [2018-04-11 20:23:55,005 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]=== [2018-04-11 20:23:55,005 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 [2018-04-11 20:23:55,011 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:23:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:23:55,079 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:23:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4535 backedges. 1227 proven. 3308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:56,469 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:23:57,636 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 [2018-04-11 20:23:57,636 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:23:57,638 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. [2018-04-11 20:23:57,638 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:23:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4535 backedges. 1098 proven. 3437 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:23:58,122 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:23:58,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 94 [2018-04-11 20:23:58,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-04-11 20:23:58,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-04-11 20:23:58,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1094, Invalid=7836, Unknown=0, NotChecked=0, Total=8930 [2018-04-11 20:23:58,123 INFO L87 Difference]: Start difference. First operand 641 states and 677 transitions. Second operand 95 states. [2018-04-11 20:24:02,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:24:02,837 INFO L93 Difference]: Finished difference Result 642 states and 677 transitions. [2018-04-11 20:24:02,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-04-11 20:24:02,837 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 333 [2018-04-11 20:24:02,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:24:02,839 INFO L225 Difference]: With dead ends: 642 [2018-04-11 20:24:02,840 INFO L226 Difference]: Without dead ends: 641 [2018-04-11 20:24:02,841 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 [2018-04-11 20:24:02,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2018-04-11 20:24:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 641. [2018-04-11 20:24:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2018-04-11 20:24:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 676 transitions. [2018-04-11 20:24:02,876 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 676 transitions. Word has length 333 [2018-04-11 20:24:02,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:24:02,877 INFO L459 AbstractCegarLoop]: Abstraction has 641 states and 676 transitions. [2018-04-11 20:24:02,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-04-11 20:24:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 676 transitions. [2018-04-11 20:24:02,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-04-11 20:24:02,878 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:24:02,878 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] [2018-04-11 20:24:02,878 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]=== [2018-04-11 20:24:02,878 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 [2018-04-11 20:24:02,884 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:24:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:24:02,955 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:24:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 1145 proven. 3696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:04,120 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:24:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 1145 proven. 3696 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:05,482 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:24:05,482 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69] total 100 [2018-04-11 20:24:05,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-04-11 20:24:05,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-04-11 20:24:05,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1222, Invalid=8678, Unknown=0, NotChecked=0, Total=9900 [2018-04-11 20:24:05,484 INFO L87 Difference]: Start difference. First operand 641 states and 676 transitions. Second operand 100 states. [2018-04-11 20:24:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:24:08,687 INFO L93 Difference]: Finished difference Result 1319 states and 1392 transitions. [2018-04-11 20:24:08,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-04-11 20:24:08,687 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 343 [2018-04-11 20:24:08,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:24:08,689 INFO L225 Difference]: With dead ends: 1319 [2018-04-11 20:24:08,689 INFO L226 Difference]: Without dead ends: 713 [2018-04-11 20:24:08,691 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 552 SyntacticMatches, 36 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9940 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=5152, Invalid=27790, Unknown=0, NotChecked=0, Total=32942 [2018-04-11 20:24:08,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2018-04-11 20:24:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 679. [2018-04-11 20:24:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2018-04-11 20:24:08,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 717 transitions. [2018-04-11 20:24:08,729 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 717 transitions. Word has length 343 [2018-04-11 20:24:08,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:24:08,729 INFO L459 AbstractCegarLoop]: Abstraction has 679 states and 717 transitions. [2018-04-11 20:24:08,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-04-11 20:24:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 717 transitions. [2018-04-11 20:24:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-04-11 20:24:08,731 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:24:08,731 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] [2018-04-11 20:24:08,731 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]=== [2018-04-11 20:24:08,731 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 [2018-04-11 20:24:08,737 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:24:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:24:08,812 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:24:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5157 backedges. 1389 proven. 3768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:10,376 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:24:11,639 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 [2018-04-11 20:24:11,640 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:24:11,643 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. [2018-04-11 20:24:11,643 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:24:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5157 backedges. 1251 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:12,190 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:24:12,190 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 100 [2018-04-11 20:24:12,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-04-11 20:24:12,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-04-11 20:24:12,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=8870, Unknown=0, NotChecked=0, Total=10100 [2018-04-11 20:24:12,191 INFO L87 Difference]: Start difference. First operand 679 states and 717 transitions. Second operand 101 states. [2018-04-11 20:24:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:24:17,184 INFO L93 Difference]: Finished difference Result 680 states and 717 transitions. [2018-04-11 20:24:17,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-04-11 20:24:17,185 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 353 [2018-04-11 20:24:17,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:24:17,187 INFO L225 Difference]: With dead ends: 680 [2018-04-11 20:24:17,187 INFO L226 Difference]: Without dead ends: 679 [2018-04-11 20:24:17,188 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 [2018-04-11 20:24:17,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2018-04-11 20:24:17,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 679. [2018-04-11 20:24:17,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2018-04-11 20:24:17,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 716 transitions. [2018-04-11 20:24:17,225 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 716 transitions. Word has length 353 [2018-04-11 20:24:17,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:24:17,226 INFO L459 AbstractCegarLoop]: Abstraction has 679 states and 716 transitions. [2018-04-11 20:24:17,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-04-11 20:24:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 716 transitions. [2018-04-11 20:24:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-04-11 20:24:17,227 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:24:17,227 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] [2018-04-11 20:24:17,227 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]=== [2018-04-11 20:24:17,227 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 [2018-04-11 20:24:17,233 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:24:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:24:17,303 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:24:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5483 backedges. 1301 proven. 4182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:18,618 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:24:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5483 backedges. 1301 proven. 4182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:20,158 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:24:20,158 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 73] total 106 [2018-04-11 20:24:20,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-04-11 20:24:20,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-04-11 20:24:20,159 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1366, Invalid=9764, Unknown=0, NotChecked=0, Total=11130 [2018-04-11 20:24:20,159 INFO L87 Difference]: Start difference. First operand 679 states and 716 transitions. Second operand 106 states. [2018-04-11 20:24:24,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:24:24,096 INFO L93 Difference]: Finished difference Result 1395 states and 1472 transitions. [2018-04-11 20:24:24,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-04-11 20:24:24,096 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 363 [2018-04-11 20:24:24,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:24:24,098 INFO L225 Difference]: With dead ends: 1395 [2018-04-11 20:24:24,098 INFO L226 Difference]: Without dead ends: 751 [2018-04-11 20:24:24,100 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 [2018-04-11 20:24:24,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2018-04-11 20:24:24,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 717. [2018-04-11 20:24:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-04-11 20:24:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 757 transitions. [2018-04-11 20:24:24,141 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 757 transitions. Word has length 363 [2018-04-11 20:24:24,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:24:24,141 INFO L459 AbstractCegarLoop]: Abstraction has 717 states and 757 transitions. [2018-04-11 20:24:24,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-04-11 20:24:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 757 transitions. [2018-04-11 20:24:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-04-11 20:24:24,143 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:24:24,143 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] [2018-04-11 20:24:24,143 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]=== [2018-04-11 20:24:24,143 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 [2018-04-11 20:24:24,153 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:24:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:24:24,233 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:24:26,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5819 backedges. 1561 proven. 4258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:26,014 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:24:27,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-11 20:24:27,402 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:24:27,405 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. [2018-04-11 20:24:27,405 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:24:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5819 backedges. 1414 proven. 4405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:27,991 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:24:27,991 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71] total 106 [2018-04-11 20:24:27,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-04-11 20:24:27,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-04-11 20:24:27,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1374, Invalid=9968, Unknown=0, NotChecked=0, Total=11342 [2018-04-11 20:24:27,993 INFO L87 Difference]: Start difference. First operand 717 states and 757 transitions. Second operand 107 states. [2018-04-11 20:24:34,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:24:34,111 INFO L93 Difference]: Finished difference Result 718 states and 757 transitions. [2018-04-11 20:24:34,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-04-11 20:24:34,112 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 373 [2018-04-11 20:24:34,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:24:34,114 INFO L225 Difference]: With dead ends: 718 [2018-04-11 20:24:34,114 INFO L226 Difference]: Without dead ends: 717 [2018-04-11 20:24:34,116 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 851 GetRequests, 606 SyntacticMatches, 35 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16185 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=6756, Invalid=37976, Unknown=0, NotChecked=0, Total=44732 [2018-04-11 20:24:34,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-04-11 20:24:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2018-04-11 20:24:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2018-04-11 20:24:34,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 756 transitions. [2018-04-11 20:24:34,157 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 756 transitions. Word has length 373 [2018-04-11 20:24:34,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:24:34,157 INFO L459 AbstractCegarLoop]: Abstraction has 717 states and 756 transitions. [2018-04-11 20:24:34,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-04-11 20:24:34,157 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 756 transitions. [2018-04-11 20:24:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-04-11 20:24:34,159 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:24:34,159 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] [2018-04-11 20:24:34,159 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]=== [2018-04-11 20:24:34,159 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 [2018-04-11 20:24:34,165 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:24:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:24:34,248 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:24:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 6165 backedges. 1467 proven. 4698 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:35,676 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:24:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6165 backedges. 1467 proven. 4698 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:37,378 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:24:37,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77] total 112 [2018-04-11 20:24:37,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-04-11 20:24:37,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-04-11 20:24:37,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1518, Invalid=10914, Unknown=0, NotChecked=0, Total=12432 [2018-04-11 20:24:37,380 INFO L87 Difference]: Start difference. First operand 717 states and 756 transitions. Second operand 112 states. [2018-04-11 20:24:41,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:24:41,587 INFO L93 Difference]: Finished difference Result 1471 states and 1552 transitions. [2018-04-11 20:24:41,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-04-11 20:24:41,587 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 383 [2018-04-11 20:24:41,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:24:41,589 INFO L225 Difference]: With dead ends: 1471 [2018-04-11 20:24:41,589 INFO L226 Difference]: Without dead ends: 789 [2018-04-11 20:24:41,592 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 616 SyntacticMatches, 40 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12586 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=6425, Invalid=34987, Unknown=0, NotChecked=0, Total=41412 [2018-04-11 20:24:41,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2018-04-11 20:24:41,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 755. [2018-04-11 20:24:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-04-11 20:24:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 797 transitions. [2018-04-11 20:24:41,635 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 797 transitions. Word has length 383 [2018-04-11 20:24:41,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:24:41,636 INFO L459 AbstractCegarLoop]: Abstraction has 755 states and 797 transitions. [2018-04-11 20:24:41,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-04-11 20:24:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 797 transitions. [2018-04-11 20:24:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-04-11 20:24:41,637 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:24:41,637 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] [2018-04-11 20:24:41,637 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]=== [2018-04-11 20:24:41,638 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 [2018-04-11 20:24:41,643 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:24:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:24:41,722 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:24:43,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6521 backedges. 1743 proven. 4778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:43,643 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:24:45,185 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 [2018-04-11 20:24:45,185 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:24:45,188 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. [2018-04-11 20:24:45,188 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:24:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6521 backedges. 1587 proven. 4934 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:45,847 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:24:45,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75] total 112 [2018-04-11 20:24:45,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-04-11 20:24:45,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-04-11 20:24:45,849 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1526, Invalid=11130, Unknown=0, NotChecked=0, Total=12656 [2018-04-11 20:24:45,849 INFO L87 Difference]: Start difference. First operand 755 states and 797 transitions. Second operand 113 states. [2018-04-11 20:24:51,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:24:51,899 INFO L93 Difference]: Finished difference Result 756 states and 797 transitions. [2018-04-11 20:24:51,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-04-11 20:24:51,900 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 393 [2018-04-11 20:24:51,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:24:51,902 INFO L225 Difference]: With dead ends: 756 [2018-04-11 20:24:51,902 INFO L226 Difference]: Without dead ends: 755 [2018-04-11 20:24:51,904 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 897 GetRequests, 638 SyntacticMatches, 37 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18172 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=7511, Invalid=42441, Unknown=0, NotChecked=0, Total=49952 [2018-04-11 20:24:51,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-04-11 20:24:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2018-04-11 20:24:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-04-11 20:24:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 796 transitions. [2018-04-11 20:24:51,947 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 796 transitions. Word has length 393 [2018-04-11 20:24:51,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:24:51,948 INFO L459 AbstractCegarLoop]: Abstraction has 755 states and 796 transitions. [2018-04-11 20:24:51,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-04-11 20:24:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 796 transitions. [2018-04-11 20:24:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-04-11 20:24:51,949 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:24:51,949 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] [2018-04-11 20:24:51,949 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]=== [2018-04-11 20:24:51,950 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 [2018-04-11 20:24:51,955 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:24:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:24:52,039 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:24:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6887 backedges. 1643 proven. 5244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:53,638 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:24:55,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6887 backedges. 1643 proven. 5244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:24:55,513 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:24:55,513 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81] total 118 [2018-04-11 20:24:55,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-04-11 20:24:55,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-04-11 20:24:55,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1678, Invalid=12128, Unknown=0, NotChecked=0, Total=13806 [2018-04-11 20:24:55,515 INFO L87 Difference]: Start difference. First operand 755 states and 796 transitions. Second operand 118 states. [2018-04-11 20:24:59,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:24:59,767 INFO L93 Difference]: Finished difference Result 1547 states and 1632 transitions. [2018-04-11 20:24:59,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-04-11 20:24:59,767 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 403 [2018-04-11 20:24:59,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:24:59,769 INFO L225 Difference]: With dead ends: 1547 [2018-04-11 20:24:59,770 INFO L226 Difference]: Without dead ends: 827 [2018-04-11 20:24:59,772 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 648 SyntacticMatches, 42 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14026 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=7114, Invalid=38896, Unknown=0, NotChecked=0, Total=46010 [2018-04-11 20:24:59,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2018-04-11 20:24:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 793. [2018-04-11 20:24:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-04-11 20:24:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 837 transitions. [2018-04-11 20:24:59,821 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 837 transitions. Word has length 403 [2018-04-11 20:24:59,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:24:59,821 INFO L459 AbstractCegarLoop]: Abstraction has 793 states and 837 transitions. [2018-04-11 20:24:59,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-04-11 20:24:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 837 transitions. [2018-04-11 20:24:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-04-11 20:24:59,823 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:24:59,823 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] [2018-04-11 20:24:59,823 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]=== [2018-04-11 20:24:59,823 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 [2018-04-11 20:24:59,828 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:24:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:24:59,916 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:25:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 7263 backedges. 1935 proven. 5328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:02,088 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:25:03,799 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 [2018-04-11 20:25:03,800 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:25:03,802 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. [2018-04-11 20:25:03,802 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:25:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 7263 backedges. 1770 proven. 5493 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:04,549 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:25:04,549 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 79] total 118 [2018-04-11 20:25:04,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-04-11 20:25:04,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-04-11 20:25:04,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1686, Invalid=12356, Unknown=0, NotChecked=0, Total=14042 [2018-04-11 20:25:04,551 INFO L87 Difference]: Start difference. First operand 793 states and 837 transitions. Second operand 119 states. [2018-04-11 20:25:11,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:25:11,537 INFO L93 Difference]: Finished difference Result 794 states and 837 transitions. [2018-04-11 20:25:11,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-04-11 20:25:11,537 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 413 [2018-04-11 20:25:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:25:11,539 INFO L225 Difference]: With dead ends: 794 [2018-04-11 20:25:11,539 INFO L226 Difference]: Without dead ends: 793 [2018-04-11 20:25:11,541 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 670 SyntacticMatches, 39 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20274 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=8306, Invalid=47154, Unknown=0, NotChecked=0, Total=55460 [2018-04-11 20:25:11,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-04-11 20:25:11,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2018-04-11 20:25:11,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-04-11 20:25:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 836 transitions. [2018-04-11 20:25:11,589 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 836 transitions. Word has length 413 [2018-04-11 20:25:11,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:25:11,589 INFO L459 AbstractCegarLoop]: Abstraction has 793 states and 836 transitions. [2018-04-11 20:25:11,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-04-11 20:25:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 836 transitions. [2018-04-11 20:25:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-04-11 20:25:11,591 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:25:11,591 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] [2018-04-11 20:25:11,591 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]=== [2018-04-11 20:25:11,591 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 [2018-04-11 20:25:11,597 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:25:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:25:11,682 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:25:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 7649 backedges. 1829 proven. 5820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:13,433 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:25:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7649 backedges. 1829 proven. 5820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:15,462 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:25:15,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85] total 124 [2018-04-11 20:25:15,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-04-11 20:25:15,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-04-11 20:25:15,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1846, Invalid=13406, Unknown=0, NotChecked=0, Total=15252 [2018-04-11 20:25:15,464 INFO L87 Difference]: Start difference. First operand 793 states and 836 transitions. Second operand 124 states. [2018-04-11 20:25:20,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:25:20,455 INFO L93 Difference]: Finished difference Result 1623 states and 1712 transitions. [2018-04-11 20:25:20,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-04-11 20:25:20,456 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 423 [2018-04-11 20:25:20,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:25:20,458 INFO L225 Difference]: With dead ends: 1623 [2018-04-11 20:25:20,458 INFO L226 Difference]: Without dead ends: 865 [2018-04-11 20:25:20,462 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 [2018-04-11 20:25:20,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-04-11 20:25:20,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 831. [2018-04-11 20:25:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-04-11 20:25:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 877 transitions. [2018-04-11 20:25:20,515 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 877 transitions. Word has length 423 [2018-04-11 20:25:20,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:25:20,515 INFO L459 AbstractCegarLoop]: Abstraction has 831 states and 877 transitions. [2018-04-11 20:25:20,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-04-11 20:25:20,515 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 877 transitions. [2018-04-11 20:25:20,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2018-04-11 20:25:20,517 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:25:20,517 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] [2018-04-11 20:25:20,517 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]=== [2018-04-11 20:25:20,517 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 [2018-04-11 20:25:20,523 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:25:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:25:20,611 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:25:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8045 backedges. 2137 proven. 5908 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:22,991 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:25:24,864 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 [2018-04-11 20:25:24,864 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:25:24,867 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. [2018-04-11 20:25:24,867 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:25:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8045 backedges. 1963 proven. 6082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:25,677 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:25:25,677 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83] total 124 [2018-04-11 20:25:25,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-04-11 20:25:25,678 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-04-11 20:25:25,678 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1854, Invalid=13646, Unknown=0, NotChecked=0, Total=15500 [2018-04-11 20:25:25,679 INFO L87 Difference]: Start difference. First operand 831 states and 877 transitions. Second operand 125 states. [2018-04-11 20:25:32,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:25:32,738 INFO L93 Difference]: Finished difference Result 832 states and 877 transitions. [2018-04-11 20:25:32,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-04-11 20:25:32,738 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 433 [2018-04-11 20:25:32,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:25:32,740 INFO L225 Difference]: With dead ends: 832 [2018-04-11 20:25:32,740 INFO L226 Difference]: Without dead ends: 831 [2018-04-11 20:25:32,744 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 989 GetRequests, 702 SyntacticMatches, 41 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22491 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=9141, Invalid=52115, Unknown=0, NotChecked=0, Total=61256 [2018-04-11 20:25:32,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-04-11 20:25:32,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2018-04-11 20:25:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-04-11 20:25:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 876 transitions. [2018-04-11 20:25:32,798 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 876 transitions. Word has length 433 [2018-04-11 20:25:32,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:25:32,798 INFO L459 AbstractCegarLoop]: Abstraction has 831 states and 876 transitions. [2018-04-11 20:25:32,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-04-11 20:25:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 876 transitions. [2018-04-11 20:25:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2018-04-11 20:25:32,801 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:25:32,802 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] [2018-04-11 20:25:32,802 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]=== [2018-04-11 20:25:32,802 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 [2018-04-11 20:25:32,812 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:25:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:25:32,911 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:25:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8451 backedges. 2025 proven. 6426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:34,823 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:25:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8451 backedges. 2025 proven. 6426 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:37,143 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:25:37,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 89] total 130 [2018-04-11 20:25:37,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-04-11 20:25:37,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-04-11 20:25:37,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2022, Invalid=14748, Unknown=0, NotChecked=0, Total=16770 [2018-04-11 20:25:37,145 INFO L87 Difference]: Start difference. First operand 831 states and 876 transitions. Second operand 130 states. [2018-04-11 20:25:42,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:25:42,724 INFO L93 Difference]: Finished difference Result 1699 states and 1792 transitions. [2018-04-11 20:25:42,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-04-11 20:25:42,724 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 443 [2018-04-11 20:25:42,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:25:42,727 INFO L225 Difference]: With dead ends: 1699 [2018-04-11 20:25:42,727 INFO L226 Difference]: Without dead ends: 903 [2018-04-11 20:25:42,729 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 993 GetRequests, 712 SyntacticMatches, 46 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17140 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=8597, Invalid=47335, Unknown=0, NotChecked=0, Total=55932 [2018-04-11 20:25:42,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-04-11 20:25:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 869. [2018-04-11 20:25:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-04-11 20:25:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 917 transitions. [2018-04-11 20:25:42,780 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 917 transitions. Word has length 443 [2018-04-11 20:25:42,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:25:42,780 INFO L459 AbstractCegarLoop]: Abstraction has 869 states and 917 transitions. [2018-04-11 20:25:42,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-04-11 20:25:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 917 transitions. [2018-04-11 20:25:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2018-04-11 20:25:42,782 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:25:42,782 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] [2018-04-11 20:25:42,782 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]=== [2018-04-11 20:25:42,782 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 [2018-04-11 20:25:42,788 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:25:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:25:42,881 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:25:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8867 backedges. 2349 proven. 6518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:45,338 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:25:47,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 20:25:47,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:25:47,260 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. [2018-04-11 20:25:47,260 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:25:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8867 backedges. 2166 proven. 6701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:48,134 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:25:48,135 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87] total 130 [2018-04-11 20:25:48,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-04-11 20:25:48,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-04-11 20:25:48,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2030, Invalid=15000, Unknown=0, NotChecked=0, Total=17030 [2018-04-11 20:25:48,136 INFO L87 Difference]: Start difference. First operand 869 states and 917 transitions. Second operand 131 states. [2018-04-11 20:25:55,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:25:55,645 INFO L93 Difference]: Finished difference Result 870 states and 917 transitions. [2018-04-11 20:25:55,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-04-11 20:25:55,645 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 453 [2018-04-11 20:25:55,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:25:55,648 INFO L225 Difference]: With dead ends: 870 [2018-04-11 20:25:55,648 INFO L226 Difference]: Without dead ends: 869 [2018-04-11 20:25:55,650 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 734 SyntacticMatches, 43 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24823 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=10016, Invalid=57324, Unknown=0, NotChecked=0, Total=67340 [2018-04-11 20:25:55,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2018-04-11 20:25:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 869. [2018-04-11 20:25:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-04-11 20:25:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 916 transitions. [2018-04-11 20:25:55,702 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 916 transitions. Word has length 453 [2018-04-11 20:25:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:25:55,702 INFO L459 AbstractCegarLoop]: Abstraction has 869 states and 916 transitions. [2018-04-11 20:25:55,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-04-11 20:25:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 916 transitions. [2018-04-11 20:25:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-04-11 20:25:55,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:25:55,704 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] [2018-04-11 20:25:55,704 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]=== [2018-04-11 20:25:55,705 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 [2018-04-11 20:25:55,710 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:25:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:25:55,801 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:25:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 9293 backedges. 2231 proven. 7062 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:25:57,850 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:26:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9293 backedges. 2231 proven. 7062 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:26:00,358 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:26:00,358 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 93] total 136 [2018-04-11 20:26:00,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-04-11 20:26:00,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-04-11 20:26:00,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2206, Invalid=16154, Unknown=0, NotChecked=0, Total=18360 [2018-04-11 20:26:00,360 INFO L87 Difference]: Start difference. First operand 869 states and 916 transitions. Second operand 136 states. [2018-04-11 20:26:06,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:26:06,490 INFO L93 Difference]: Finished difference Result 1775 states and 1872 transitions. [2018-04-11 20:26:06,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-04-11 20:26:06,491 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 463 [2018-04-11 20:26:06,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:26:06,493 INFO L225 Difference]: With dead ends: 1775 [2018-04-11 20:26:06,494 INFO L226 Difference]: Without dead ends: 941 [2018-04-11 20:26:06,496 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1038 GetRequests, 744 SyntacticMatches, 48 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18814 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=9391, Invalid=51865, Unknown=0, NotChecked=0, Total=61256 [2018-04-11 20:26:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-04-11 20:26:06,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 907. [2018-04-11 20:26:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-04-11 20:26:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 957 transitions. [2018-04-11 20:26:06,553 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 957 transitions. Word has length 463 [2018-04-11 20:26:06,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:26:06,553 INFO L459 AbstractCegarLoop]: Abstraction has 907 states and 957 transitions. [2018-04-11 20:26:06,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-04-11 20:26:06,554 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 957 transitions. [2018-04-11 20:26:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2018-04-11 20:26:06,555 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:26:06,556 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] [2018-04-11 20:26:06,556 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]=== [2018-04-11 20:26:06,556 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 [2018-04-11 20:26:06,563 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:26:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:26:06,662 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:26:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 2571 proven. 7158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:26:09,449 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:26:11,614 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 [2018-04-11 20:26:11,615 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:26:11,617 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. [2018-04-11 20:26:11,617 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:13 [2018-04-11 20:26:12,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 2379 proven. 7350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:26:12,555 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:26:12,555 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91, 91] total 136 [2018-04-11 20:26:12,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-04-11 20:26:12,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-04-11 20:26:12,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2214, Invalid=16418, Unknown=0, NotChecked=0, Total=18632 [2018-04-11 20:26:12,557 INFO L87 Difference]: Start difference. First operand 907 states and 957 transitions. Second operand 137 states. [2018-04-11 20:26:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:26:20,793 INFO L93 Difference]: Finished difference Result 908 states and 957 transitions. [2018-04-11 20:26:20,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-04-11 20:26:20,793 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 473 [2018-04-11 20:26:20,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:26:20,796 INFO L225 Difference]: With dead ends: 908 [2018-04-11 20:26:20,796 INFO L226 Difference]: Without dead ends: 907 [2018-04-11 20:26:20,798 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 766 SyntacticMatches, 45 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27270 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=10931, Invalid=62781, Unknown=0, NotChecked=0, Total=73712 [2018-04-11 20:26:20,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-04-11 20:26:20,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 907. [2018-04-11 20:26:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-04-11 20:26:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 956 transitions. [2018-04-11 20:26:20,855 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 956 transitions. Word has length 473 [2018-04-11 20:26:20,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:26:20,855 INFO L459 AbstractCegarLoop]: Abstraction has 907 states and 956 transitions. [2018-04-11 20:26:20,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-04-11 20:26:20,855 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 956 transitions. [2018-04-11 20:26:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2018-04-11 20:26:20,857 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:26:20,857 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] [2018-04-11 20:26:20,857 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]=== [2018-04-11 20:26:20,858 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 [2018-04-11 20:26:20,863 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:26:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:26:20,961 INFO L270 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2018-04-11 20:26:21,834 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-11 20:26:21,835 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 20:26:21,838 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 20:26:21,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:26:21 BoogieIcfgContainer [2018-04-11 20:26:21,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:26:21,839 INFO L168 Benchmark]: Toolchain (without parser) took 236290.01 ms. Allocated memory was 306.2 MB in the beginning and 958.4 MB in the end (delta: 652.2 MB). Free memory was 242.3 MB in the beginning and 307.4 MB in the end (delta: -65.2 MB). Peak memory consumption was 587.1 MB. Max. memory is 5.3 GB. [2018-04-11 20:26:21,840 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 306.2 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:26:21,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.67 ms. Allocated memory is still 306.2 MB. Free memory was 242.3 MB in the beginning and 218.4 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:26:21,840 INFO L168 Benchmark]: Boogie Preprocessor took 55.49 ms. Allocated memory is still 306.2 MB. Free memory was 218.4 MB in the beginning and 216.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:26:21,840 INFO L168 Benchmark]: RCFGBuilder took 524.99 ms. Allocated memory was 306.2 MB in the beginning and 469.8 MB in the end (delta: 163.6 MB). Free memory was 216.3 MB in the beginning and 406.6 MB in the end (delta: -190.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-04-11 20:26:21,841 INFO L168 Benchmark]: TraceAbstraction took 235391.11 ms. Allocated memory was 469.8 MB in the beginning and 958.4 MB in the end (delta: 488.6 MB). Free memory was 406.6 MB in the beginning and 307.4 MB in the end (delta: 99.2 MB). Peak memory consumption was 587.8 MB. Max. memory is 5.3 GB. [2018-04-11 20:26:21,842 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 306.2 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 313.67 ms. Allocated memory is still 306.2 MB. Free memory was 242.3 MB in the beginning and 218.4 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.49 ms. Allocated memory is still 306.2 MB. Free memory was 218.4 MB in the beginning and 216.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 524.99 ms. Allocated memory was 306.2 MB in the beginning and 469.8 MB in the end (delta: 163.6 MB). Free memory was 216.3 MB in the beginning and 406.6 MB in the end (delta: -190.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 235391.11 ms. Allocated memory was 469.8 MB in the beginning and 958.4 MB in the end (delta: 488.6 MB). Free memory was 406.6 MB in the beginning and 307.4 MB in the end (delta: 99.2 MB). Peak memory consumption was 587.8 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 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 forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 65 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 76 locations, 13 error locations. TIMEOUT Result, 235.3s OverallTime, 51 OverallIterations, 47 TraceHistogramMax, 135.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10023 SDtfs, 44080 SDslu, 143509 SDs, 0 SdLazy, 124162 SolverSat, 3451 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25961 GetRequests, 18717 SyntacticMatches, 1120 SemanticMatches, 6124 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 359311 ImplicationChecksByTransitivity, 146.4s 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, 93.1s 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-0-2018-04-11_20-26-21-848.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-0-2018-04-11_20-26-21-848.csv Completed graceful shutdown