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/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 20:28:09,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 20:28:09,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 20:28:09,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-03-29 20:28:09,701 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 20:28:09,727 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 20:28:09,727 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 20:28:09,728 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 20:28:09,728 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 20:28:09,729 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 20:28:09,729 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 20:28:09,729 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 20:28:09,729 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 20:28:09,729 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 20:28:09,730 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 20:28:09,730 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 20:28:09,730 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 20:28:09,730 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 20:28:09,731 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 20:28:09,731 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 20:28:09,731 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 20:28:09,731 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 20:28:09,731 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 20:28:09,732 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 20:28:09,732 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 20:28:09,732 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 20:28:09,732 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 20:28:09,732 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 20:28:09,732 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 20:28:09,733 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 20:28:09,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 20:28:09,733 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 20:28:09,733 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 20:28:09,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 20:28:09,734 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 20:28:09,734 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 20:28:09,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:09,734 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 20:28:09,735 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 20:28:09,735 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 20:28:09,735 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 20:28:09,736 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 20:28:09,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 20:28:09,784 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 20:28:09,788 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 20:28:09,790 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 20:28:09,791 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 20:28:09,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,169 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd1f9a7cf1 [2018-03-29 20:28:10,333 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 20:28:10,333 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 20:28:10,334 INFO L168 CDTParser]: Scanning openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,345 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 20:28:10,345 INFO L215 ultiparseSymbolTable]: [2018-03-29 20:28:10,345 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 20:28:10,346 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero ('cbzero') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,346 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,346 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,346 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,346 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 20:28:10,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,351 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,352 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,353 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,354 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,355 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,356 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,357 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:10,384 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd1f9a7cf1 [2018-03-29 20:28:10,388 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 20:28:10,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 20:28:10,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 20:28:10,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 20:28:10,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 20:28:10,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f90853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10, skipping insertion in model container [2018-03-29 20:28:10,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,415 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:28:10,445 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:28:10,614 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:28:10,665 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:28:10,672 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-29 20:28:10,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10 WrapperNode [2018-03-29 20:28:10,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 20:28:10,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 20:28:10,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 20:28:10,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 20:28:10,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (1/1) ... [2018-03-29 20:28:10,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 20:28:10,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 20:28:10,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 20:28:10,762 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 20:28:10,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 20:28:10,900 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 20:28:10,901 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 20:28:10,901 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-29 20:28:10,901 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-29 20:28:10,901 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-03-29 20:28:10,901 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 20:28:10,901 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-29 20:28:10,902 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-29 20:28:10,902 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 20:28:10,902 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 20:28:10,902 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 20:28:10,902 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 20:28:10,902 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 20:28:10,902 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 20:28:10,903 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 20:28:10,903 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 20:28:10,903 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 20:28:10,903 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 20:28:10,903 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 20:28:10,903 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 20:28:10,904 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 20:28:10,904 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 20:28:10,904 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 20:28:10,904 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 20:28:10,904 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 20:28:10,904 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 20:28:10,904 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 20:28:10,905 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 20:28:10,905 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 20:28:10,905 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 20:28:10,905 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 20:28:10,905 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 20:28:10,905 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 20:28:10,906 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 20:28:10,907 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 20:28:10,907 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 20:28:10,907 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 20:28:10,907 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 20:28:10,907 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 20:28:10,907 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 20:28:10,907 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 20:28:10,907 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 20:28:10,908 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 20:28:10,909 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 20:28:10,910 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 20:28:10,911 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 20:28:10,911 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 20:28:10,911 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 20:28:10,911 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 20:28:10,911 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 20:28:10,911 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 20:28:10,911 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 20:28:10,911 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 20:28:10,912 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 20:28:10,912 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 20:28:10,912 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 20:28:10,912 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 20:28:10,912 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 20:28:10,912 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 20:28:10,912 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 20:28:10,912 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 20:28:10,913 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 20:28:10,913 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 20:28:10,913 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 20:28:10,913 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 20:28:10,913 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 20:28:10,913 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 20:28:10,913 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 20:28:10,913 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 20:28:10,914 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 20:28:10,914 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 20:28:10,914 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzero [2018-03-29 20:28:10,914 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 20:28:10,914 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 20:28:10,914 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 20:28:10,914 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 20:28:10,914 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 20:28:10,915 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 20:28:10,915 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 20:28:10,915 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 20:28:11,212 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 20:28:11,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:28:11 BoogieIcfgContainer [2018-03-29 20:28:11,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 20:28:11,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 20:28:11,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 20:28:11,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 20:28:11,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 08:28:10" (1/3) ... [2018-03-29 20:28:11,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610c2de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:28:11, skipping insertion in model container [2018-03-29 20:28:11,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:10" (2/3) ... [2018-03-29 20:28:11,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610c2de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:28:11, skipping insertion in model container [2018-03-29 20:28:11,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:28:11" (3/3) ... [2018-03-29 20:28:11,218 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:11,226 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 20:28:11,232 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-03-29 20:28:11,282 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 20:28:11,282 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 20:28:11,282 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 20:28:11,282 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 20:28:11,282 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 20:28:11,283 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 20:28:11,283 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 20:28:11,283 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 20:28:11,283 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 20:28:11,283 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 20:28:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2018-03-29 20:28:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-29 20:28:11,300 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:11,301 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:11,301 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:11,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1086325694, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:11,319 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:11,349 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:11,373 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:11,402 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:11,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-29 20:28:11,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 20:28:11,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 20:28:11,413 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 20:28:11,415 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 3 states. [2018-03-29 20:28:11,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:11,465 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-03-29 20:28:11,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 20:28:11,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-03-29 20:28:11,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:11,474 INFO L225 Difference]: With dead ends: 58 [2018-03-29 20:28:11,475 INFO L226 Difference]: Without dead ends: 43 [2018-03-29 20:28:11,477 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 20:28:11,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-03-29 20:28:11,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-03-29 20:28:11,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-03-29 20:28:11,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2018-03-29 20:28:11,510 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 17 [2018-03-29 20:28:11,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:11,510 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2018-03-29 20:28:11,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 20:28:11,510 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-03-29 20:28:11,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-29 20:28:11,511 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:11,511 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:11,511 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:11,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1335632741, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:11,520 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:11,543 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:11,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:11,570 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:11,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:11,572 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 20:28:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:11,628 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:11,674 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:11,674 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-03-29 20:28:11,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:11,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:11,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-03-29 20:28:11,677 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 8 states. [2018-03-29 20:28:11,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:11,793 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-03-29 20:28:11,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 20:28:11,793 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2018-03-29 20:28:11,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:11,794 INFO L225 Difference]: With dead ends: 43 [2018-03-29 20:28:11,794 INFO L226 Difference]: Without dead ends: 42 [2018-03-29 20:28:11,795 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-03-29 20:28:11,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-03-29 20:28:11,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-03-29 20:28:11,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-03-29 20:28:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2018-03-29 20:28:11,802 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 30 [2018-03-29 20:28:11,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:11,802 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2018-03-29 20:28:11,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:11,803 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-03-29 20:28:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-29 20:28:11,804 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:11,804 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:11,804 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:11,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1335632740, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:11,811 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:11,838 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:11,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:11,855 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:11,874 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:11,874 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-03-29 20:28:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:11,967 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:12,157 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:12,157 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2018-03-29 20:28:12,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-03-29 20:28:12,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-03-29 20:28:12,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-03-29 20:28:12,159 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 15 states. [2018-03-29 20:28:12,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:12,421 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-03-29 20:28:12,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 20:28:12,422 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-03-29 20:28:12,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:12,425 INFO L225 Difference]: With dead ends: 55 [2018-03-29 20:28:12,425 INFO L226 Difference]: Without dead ends: 54 [2018-03-29 20:28:12,426 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-03-29 20:28:12,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-03-29 20:28:12,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2018-03-29 20:28:12,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-03-29 20:28:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-03-29 20:28:12,434 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 30 [2018-03-29 20:28:12,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:12,434 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-03-29 20:28:12,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-03-29 20:28:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-03-29 20:28:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-03-29 20:28:12,435 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:12,436 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:12,436 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:12,436 INFO L82 PathProgramCache]: Analyzing trace with hash -221577364, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:12,442 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:12,459 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:12,471 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:28:12,472 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 [2018-03-29 20:28:12,472 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:12,473 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:28:12,473 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:28:12,500 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-03-29 20:28:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:12,504 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:12,521 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc6.base_8| Int)) (or (= (store |c_#valid| |v_main_#t~malloc6.base_8| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc6.base_8|))))) is different from false [2018-03-29 20:28:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:12,558 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:12,559 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:28:12,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:12,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:12,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:28:12,561 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 8 states. [2018-03-29 20:28:12,575 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc6.base_8| Int)) (or (= (store |c_#valid| |v_main_#t~malloc6.base_8| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc6.base_8|))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-03-29 20:28:12,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:12,680 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-03-29 20:28:12,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:28:12,681 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-03-29 20:28:12,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:12,682 INFO L225 Difference]: With dead ends: 60 [2018-03-29 20:28:12,682 INFO L226 Difference]: Without dead ends: 55 [2018-03-29 20:28:12,683 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:28:12,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-03-29 20:28:12,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-03-29 20:28:12,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-03-29 20:28:12,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-03-29 20:28:12,692 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 33 [2018-03-29 20:28:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:12,693 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-03-29 20:28:12,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-03-29 20:28:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-29 20:28:12,694 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:12,694 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:12,695 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:12,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1614557617, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:12,700 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:12,714 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:12,725 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:28:12,726 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 [2018-03-29 20:28:12,726 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:12,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:28:12,727 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:28:12,744 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-03-29 20:28:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:12,748 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:12,764 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc6.base_10| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc6.base_10|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc6.base_10| 0)))) is different from false [2018-03-29 20:28:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:12,808 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:12,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:28:12,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:12,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:12,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:28:12,810 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 8 states. [2018-03-29 20:28:12,819 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc6.base_10| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc6.base_10|) 0)) (= |c_old(#valid)| (store |c_#valid| |v_main_#t~malloc6.base_10| 0))))) is different from false [2018-03-29 20:28:12,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:12,950 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-03-29 20:28:12,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:28:12,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-03-29 20:28:12,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:12,951 INFO L225 Difference]: With dead ends: 64 [2018-03-29 20:28:12,951 INFO L226 Difference]: Without dead ends: 59 [2018-03-29 20:28:12,952 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:28:12,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-03-29 20:28:12,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2018-03-29 20:28:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-03-29 20:28:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-03-29 20:28:12,960 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 34 [2018-03-29 20:28:12,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:12,961 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-03-29 20:28:12,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-03-29 20:28:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-29 20:28:12,962 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:12,962 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:12,962 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:12,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1881109974, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:12,969 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:12,988 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:13,002 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:28:13,003 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 [2018-03-29 20:28:13,003 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:13,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:28:13,005 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:28:13,027 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-03-29 20:28:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:13,032 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:13,047 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc6.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc6.base_12|) 0)) (= (store |c_#valid| |v_main_#t~malloc6.base_12| 0) |c_old(#valid)|))) is different from false [2018-03-29 20:28:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:13,084 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:13,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:28:13,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:13,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:13,085 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:28:13,085 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 8 states. [2018-03-29 20:28:13,093 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc6.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc6.base_12|) 0)) (= (store |c_#valid| |v_main_#t~malloc6.base_12| 0) |c_old(#valid)|))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-03-29 20:28:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:13,251 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2018-03-29 20:28:13,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:28:13,251 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-03-29 20:28:13,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:13,252 INFO L225 Difference]: With dead ends: 65 [2018-03-29 20:28:13,252 INFO L226 Difference]: Without dead ends: 60 [2018-03-29 20:28:13,252 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:28:13,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-03-29 20:28:13,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2018-03-29 20:28:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-03-29 20:28:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-03-29 20:28:13,261 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 34 [2018-03-29 20:28:13,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:13,262 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-03-29 20:28:13,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-03-29 20:28:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-29 20:28:13,263 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:13,263 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:13,263 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:13,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1328247759, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:13,271 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:13,288 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:13,301 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:28:13,302 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 [2018-03-29 20:28:13,302 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:13,303 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:28:13,303 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:28:13,317 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc6.base| Int)) (and (= 0 (select |c_old(#valid)| |main_#t~malloc6.base|)) (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc6.base| 0)))) is different from true [2018-03-29 20:28:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:13,319 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:13,328 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc6.base_14| Int)) (or (= (store |c_#valid| |v_main_#t~malloc6.base_14| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc6.base_14|) 0)))) is different from false [2018-03-29 20:28:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:13,361 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:13,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:28:13,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:13,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:13,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:28:13,362 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 8 states. [2018-03-29 20:28:13,369 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc6.base_14| Int)) (or (= (store |c_#valid| |v_main_#t~malloc6.base_14| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc6.base_14|) 0))))) is different from false [2018-03-29 20:28:13,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:13,437 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2018-03-29 20:28:13,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:28:13,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-03-29 20:28:13,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:13,438 INFO L225 Difference]: With dead ends: 56 [2018-03-29 20:28:13,438 INFO L226 Difference]: Without dead ends: 48 [2018-03-29 20:28:13,438 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:28:13,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-03-29 20:28:13,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2018-03-29 20:28:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-03-29 20:28:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2018-03-29 20:28:13,445 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 35 [2018-03-29 20:28:13,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:13,445 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2018-03-29 20:28:13,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:13,445 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-03-29 20:28:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-03-29 20:28:13,446 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:13,446 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:13,446 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:13,446 INFO L82 PathProgramCache]: Analyzing trace with hash 940626699, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:13,452 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:13,470 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:13,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:13,492 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:13,497 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:13,497 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-03-29 20:28:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:13,696 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:14,283 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:28:14,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2018-03-29 20:28:14,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-03-29 20:28:14,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-03-29 20:28:14,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2018-03-29 20:28:14,284 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 34 states. [2018-03-29 20:28:15,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:15,365 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-03-29 20:28:15,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-03-29 20:28:15,365 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 39 [2018-03-29 20:28:15,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:15,366 INFO L225 Difference]: With dead ends: 55 [2018-03-29 20:28:15,366 INFO L226 Difference]: Without dead ends: 54 [2018-03-29 20:28:15,368 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=332, Invalid=2638, Unknown=0, NotChecked=0, Total=2970 [2018-03-29 20:28:15,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-03-29 20:28:15,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2018-03-29 20:28:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-03-29 20:28:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2018-03-29 20:28:15,377 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 39 [2018-03-29 20:28:15,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:15,377 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2018-03-29 20:28:15,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-03-29 20:28:15,378 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-03-29 20:28:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-03-29 20:28:15,378 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:15,379 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-03-29 20:28:15,379 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:15,379 INFO L82 PathProgramCache]: Analyzing trace with hash 275818876, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:15,388 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:15,411 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:15,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:15,438 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:15,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:15,443 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-03-29 20:28:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:15,832 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:16,783 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:28:16,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2018-03-29 20:28:16,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-03-29 20:28:16,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-03-29 20:28:16,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1753, Unknown=0, NotChecked=0, Total=1892 [2018-03-29 20:28:16,797 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 44 states. [2018-03-29 20:28:19,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:19,352 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2018-03-29 20:28:19,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-03-29 20:28:19,352 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 48 [2018-03-29 20:28:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:19,353 INFO L225 Difference]: With dead ends: 72 [2018-03-29 20:28:19,353 INFO L226 Difference]: Without dead ends: 71 [2018-03-29 20:28:19,354 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=612, Invalid=5240, Unknown=0, NotChecked=0, Total=5852 [2018-03-29 20:28:19,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-03-29 20:28:19,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2018-03-29 20:28:19,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-03-29 20:28:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2018-03-29 20:28:19,362 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 48 [2018-03-29 20:28:19,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:19,363 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2018-03-29 20:28:19,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-03-29 20:28:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2018-03-29 20:28:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-03-29 20:28:19,364 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:19,364 INFO L355 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:19,364 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:19,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1065877924, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:19,374 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:19,402 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:19,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:19,429 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:19,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:19,434 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-03-29 20:28:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:20,333 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:24,370 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:24,390 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:28:24,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 63 [2018-03-29 20:28:24,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-03-29 20:28:24,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-03-29 20:28:24,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=3755, Unknown=0, NotChecked=0, Total=4032 [2018-03-29 20:28:24,392 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand 64 states. [2018-03-29 20:28:29,016 WARN L151 SmtUtils]: Spent 173ms on a formula simplification. DAG size of input: 74 DAG size of output 42 [2018-03-29 20:28:30,431 WARN L151 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 70 DAG size of output 63 [2018-03-29 20:28:31,177 WARN L151 SmtUtils]: Spent 347ms on a formula simplification. DAG size of input: 90 DAG size of output 77 [2018-03-29 20:28:31,519 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 73 DAG size of output 66 [2018-03-29 20:28:33,319 WARN L151 SmtUtils]: Spent 1487ms on a formula simplification. DAG size of input: 97 DAG size of output 83 [2018-03-29 20:28:33,759 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 91 DAG size of output 80 [2018-03-29 20:28:35,314 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 58 DAG size of output 50 [2018-03-29 20:28:35,620 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 55 DAG size of output 49 [2018-03-29 20:28:37,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:37,388 INFO L93 Difference]: Finished difference Result 108 states and 113 transitions. [2018-03-29 20:28:37,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-03-29 20:28:37,389 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 66 [2018-03-29 20:28:37,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:37,389 INFO L225 Difference]: With dead ends: 108 [2018-03-29 20:28:37,389 INFO L226 Difference]: Without dead ends: 107 [2018-03-29 20:28:37,392 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3221 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=1579, Invalid=13921, Unknown=0, NotChecked=0, Total=15500 [2018-03-29 20:28:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-03-29 20:28:37,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2018-03-29 20:28:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-03-29 20:28:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 107 transitions. [2018-03-29 20:28:37,403 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 107 transitions. Word has length 66 [2018-03-29 20:28:37,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:37,404 INFO L459 AbstractCegarLoop]: Abstraction has 105 states and 107 transitions. [2018-03-29 20:28:37,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-03-29 20:28:37,404 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 107 transitions. [2018-03-29 20:28:37,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-03-29 20:28:37,405 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:37,406 INFO L355 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:37,406 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr0RequiresViolation, __U_MULTI_fopenbsd_cbzero_alloca_true_valid_memsafety_true_termination_i__cbzeroErr1RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:37,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1230094308, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:37,412 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:37,475 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:37,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:37,483 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:37,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:37,488 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:12 [2018-03-29 20:28:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:44,656 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:29:15,208 WARN L151 SmtUtils]: Spent 262ms on a formula simplification. DAG size of input: 46 DAG size of output 42 [2018-03-29 20:29:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:29:20,737 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:29:20,737 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 103 [2018-03-29 20:29:20,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-03-29 20:29:20,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-03-29 20:29:20,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=745, Invalid=9965, Unknown=2, NotChecked=0, Total=10712 [2018-03-29 20:29:20,741 INFO L87 Difference]: Start difference. First operand 105 states and 107 transitions. Second operand 104 states. [2018-03-29 20:29:21,479 WARN L148 SmtUtils]: Spent 496ms on a formula simplification that was a NOOP. DAG size: 57 [2018-03-29 20:29:22,155 WARN L148 SmtUtils]: Spent 149ms on a formula simplification that was a NOOP. DAG size: 56 [2018-03-29 20:29:26,365 WARN L151 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 69 DAG size of output 65 [2018-03-29 20:29:31,459 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 82 DAG size of output 39 [2018-03-29 20:29:34,928 WARN L151 SmtUtils]: Spent 170ms on a formula simplification. DAG size of input: 91 DAG size of output 42 [2018-03-29 20:29:44,329 WARN L151 SmtUtils]: Spent 360ms on a formula simplification. DAG size of input: 100 DAG size of output 46 [2018-03-29 20:29:56,474 WARN L151 SmtUtils]: Spent 6232ms on a formula simplification. DAG size of input: 109 DAG size of output 52 [2018-03-29 20:30:03,772 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 75 [2018-03-29 20:30:15,357 WARN L151 SmtUtils]: Spent 3659ms on a formula simplification. DAG size of input: 118 DAG size of output 56 [2018-03-29 20:30:21,456 WARN L148 SmtUtils]: Spent 154ms on a formula simplification that was a NOOP. DAG size: 84 Received shutdown request... [2018-03-29 20:30:50,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-03-29 20:30:50,462 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-29 20:30:50,466 WARN L197 ceAbstractionStarter]: Timeout [2018-03-29 20:30:50,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 08:30:50 BoogieIcfgContainer [2018-03-29 20:30:50,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 20:30:50,467 INFO L168 Benchmark]: Toolchain (without parser) took 160077.82 ms. Allocated memory was 307.8 MB in the beginning and 580.4 MB in the end (delta: 272.6 MB). Free memory was 244.7 MB in the beginning and 490.8 MB in the end (delta: -246.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 5.3 GB. [2018-03-29 20:30:50,468 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 307.8 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 20:30:50,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.99 ms. Allocated memory is still 307.8 MB. Free memory was 244.7 MB in the beginning and 220.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. [2018-03-29 20:30:50,468 INFO L168 Benchmark]: Boogie Preprocessor took 48.80 ms. Allocated memory is still 307.8 MB. Free memory was 220.5 MB in the beginning and 218.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 20:30:50,469 INFO L168 Benchmark]: RCFGBuilder took 451.03 ms. Allocated memory was 307.8 MB in the beginning and 468.7 MB in the end (delta: 161.0 MB). Free memory was 218.5 MB in the beginning and 409.1 MB in the end (delta: -190.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. [2018-03-29 20:30:50,469 INFO L168 Benchmark]: TraceAbstraction took 159253.23 ms. Allocated memory was 468.7 MB in the beginning and 580.4 MB in the end (delta: 111.7 MB). Free memory was 407.7 MB in the beginning and 490.8 MB in the end (delta: -83.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 5.3 GB. [2018-03-29 20:30:50,471 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 307.8 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 318.99 ms. Allocated memory is still 307.8 MB. Free memory was 244.7 MB in the beginning and 220.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 48.80 ms. Allocated memory is still 307.8 MB. Free memory was 220.5 MB in the beginning and 218.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 451.03 ms. Allocated memory was 307.8 MB in the beginning and 468.7 MB in the end (delta: 161.0 MB). Free memory was 218.5 MB in the beginning and 409.1 MB in the end (delta: -190.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 159253.23 ms. Allocated memory was 468.7 MB in the beginning and 580.4 MB in the end (delta: 111.7 MB). Free memory was 407.7 MB in the beginning and 490.8 MB in the end (delta: -83.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was constructing difference of abstraction (105states) and interpolant automaton (currently 63 states, 104 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 126. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was constructing difference of abstraction (105states) and interpolant automaton (currently 63 states, 104 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 126. - TimeoutResultAtElement [Line: 547]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 547). Cancelled while BasicCegarLoop was constructing difference of abstraction (105states) and interpolant automaton (currently 63 states, 104 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 126. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 57 locations, 3 error locations. TIMEOUT Result, 159.1s OverallTime, 11 OverallIterations, 9 TraceHistogramMax, 107.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 372 SDtfs, 1150 SDslu, 5075 SDs, 0 SdLazy, 6108 SolverSat, 470 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 25.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1131 GetRequests, 643 SyntacticMatches, 4 SemanticMatches, 483 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 9800 ImplicationChecksByTransitivity, 106.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 26 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 51.0s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 914 ConstructedInterpolants, 112 QuantifiedInterpolants, 1146433 SizeOfPredicates, 169 NumberOfNonLiveVariables, 1222 ConjunctsInSsa, 366 ConjunctsInUnsatCore, 22 InterpolantComputations, 14 PerfectInterpolantSequences, 0/870 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/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_20-30-50-482.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cbzero-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_20-30-50-482.csv Completed graceful shutdown