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/lis_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 19:45:13,454 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 19:45:13,457 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 19:45:13,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-09 19:45:13,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-09 19:45:13,472 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-09 19:45:13,473 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-09 19:45:13,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-09 19:45:13,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-09 19:45:13,478 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-09 19:45:13,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-09 19:45:13,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-09 19:45:13,480 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-09 19:45:13,482 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-09 19:45:13,483 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-09 19:45:13,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-09 19:45:13,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-09 19:45:13,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-09 19:45:13,490 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-09 19:45:13,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-09 19:45:13,494 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-09 19:45:13,501 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 19:45:13,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 19:45:13,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 19:45:13,528 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 19:45:13,528 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 19:45:13,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 19:45:13,529 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 19:45:13,530 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 19:45:13,530 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 19:45:13,530 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 19:45:13,530 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 19:45:13,530 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 19:45:13,531 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 19:45:13,531 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 19:45:13,531 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 19:45:13,531 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 19:45:13,532 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 19:45:13,532 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 19:45:13,532 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 19:45:13,532 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 19:45:13,532 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 19:45:13,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 19:45:13,533 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 19:45:13,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 19:45:13,533 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 19:45:13,533 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 19:45:13,533 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 19:45:13,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 19:45:13,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 19:45:13,534 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 19:45:13,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 19:45:13,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 19:45:13,535 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 19:45:13,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:13,535 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 19:45:13,536 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 19:45:13,536 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 19:45:13,536 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 19:45:13,537 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 19:45:13,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 19:45:13,585 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 19:45:13,590 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 19:45:13,592 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 19:45:13,592 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 19:45:13,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/lis_unsafe_false-valid-deref.i [2018-04-09 19:45:13,919 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf30a1aa66 [2018-04-09 19:45:14,073 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 19:45:14,073 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 19:45:14,074 INFO L168 CDTParser]: Scanning lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,084 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 19:45:14,084 INFO L215 ultiparseSymbolTable]: [2018-04-09 19:45:14,084 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 19:45:14,084 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,085 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,085 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,085 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flis_unsafe_false_valid_deref_i__lis ('lis') in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,085 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 19:45:14,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__quad_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,085 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int16_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,086 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_cond_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,086 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_spinlock_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,086 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____loff_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,086 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,086 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____daddr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,086 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__clockid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,086 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____clockid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,086 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__suseconds_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____sigset_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ushort in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint8_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____useconds_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__loff_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_long in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fd_mask in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_barrier_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,087 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____key_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_quad_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__nlink_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__wchar_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__uint in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ino64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ino_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____syscall_slong_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__dev_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,088 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int16_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__id_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_int in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_long in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_once_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__sigset_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__timer_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____pthread_list_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int32_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,089 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_char in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__blkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsblkcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____nlink_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_attr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____off64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ssize_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_rwlockattr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blkcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,090 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsword_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____ssize_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____quad_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____off_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsfilcnt_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int32_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_char in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____gid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,091 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fd_mask in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____pid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____sig_atomic_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_mutexattr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fsblkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____timer_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int8_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int32_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____syscall_ulong_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,092 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____id_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__caddr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__mode_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____rlim_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____u_short in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsfilcnt_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__key_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____time_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,093 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____suseconds_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,094 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_mutex_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,094 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__lldiv_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,094 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____mode_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,094 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__blksize_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,094 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_rwlock_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,094 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_key_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,094 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____socklen_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,094 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__uid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int16_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsblkcnt_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__size_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__time_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__off_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____intptr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint32_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__div_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,095 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_barrierattr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int8_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__register_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_quad_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_short in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__gid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____caddr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____fsfilcnt64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,096 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ino_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pid_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____int64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ulong in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__ldiv_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____qaddr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____blksize_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__int8_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,097 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__clock_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__fd_set in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____uint16_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__daddr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__u_int64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____rlim64_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____dev_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____WAIT_STATUS in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i__pthread_condattr_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,098 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flis_unsafe_false_valid_deref_i____clock_t in lis_unsafe_false-valid-deref.i [2018-04-09 19:45:14,116 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf30a1aa66 [2018-04-09 19:45:14,121 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 19:45:14,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 19:45:14,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 19:45:14,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 19:45:14,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 19:45:14,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e04d774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14, skipping insertion in model container [2018-04-09 19:45:14,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,146 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 19:45:14,177 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 19:45:14,355 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 19:45:14,406 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 19:45:14,414 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-09 19:45:14,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14 WrapperNode [2018-04-09 19:45:14,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 19:45:14,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 19:45:14,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 19:45:14,464 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 19:45:14,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (1/1) ... [2018-04-09 19:45:14,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 19:45:14,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 19:45:14,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 19:45:14,524 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 19:45:14,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 19:45:14,640 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 19:45:14,640 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 19:45:14,640 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_32 [2018-04-09 19:45:14,640 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_64 [2018-04-09 19:45:14,640 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flis_unsafe_false_valid_deref_i__lis [2018-04-09 19:45:14,640 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 19:45:14,641 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_32 [2018-04-09 19:45:14,641 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i____bswap_64 [2018-04-09 19:45:14,641 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 19:45:14,641 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 19:45:14,641 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 19:45:14,641 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 19:45:14,642 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 19:45:14,642 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 19:45:14,642 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 19:45:14,642 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 19:45:14,642 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 19:45:14,642 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 19:45:14,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 19:45:14,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 19:45:14,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 19:45:14,643 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 19:45:14,643 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 19:45:14,644 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 19:45:14,644 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 19:45:14,644 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 19:45:14,644 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 19:45:14,644 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 19:45:14,644 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 19:45:14,645 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 19:45:14,645 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 19:45:14,645 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 19:45:14,645 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 19:45:14,645 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 19:45:14,645 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 19:45:14,645 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 19:45:14,646 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 19:45:14,646 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 19:45:14,646 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 19:45:14,646 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 19:45:14,646 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 19:45:14,646 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 19:45:14,646 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 19:45:14,646 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 19:45:14,647 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 19:45:14,647 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 19:45:14,647 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 19:45:14,647 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 19:45:14,647 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 19:45:14,647 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 19:45:14,647 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 19:45:14,648 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 19:45:14,648 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 19:45:14,648 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 19:45:14,648 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 19:45:14,648 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 19:45:14,648 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 19:45:14,648 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 19:45:14,648 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 19:45:14,649 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 19:45:14,649 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 19:45:14,649 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 19:45:14,649 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 19:45:14,649 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 19:45:14,649 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 19:45:14,649 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 19:45:14,650 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 19:45:14,650 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 19:45:14,650 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 19:45:14,650 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 19:45:14,650 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 19:45:14,650 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 19:45:14,650 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 19:45:14,650 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 19:45:14,651 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 19:45:14,651 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 19:45:14,651 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 19:45:14,651 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 19:45:14,651 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 19:45:14,651 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 19:45:14,651 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 19:45:14,651 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 19:45:14,652 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 19:45:14,652 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 19:45:14,652 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 19:45:14,652 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 19:45:14,652 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 19:45:14,652 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 19:45:14,652 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 19:45:14,653 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 19:45:14,653 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 19:45:14,653 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 19:45:14,653 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 19:45:14,653 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 19:45:14,653 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 19:45:14,653 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 19:45:14,653 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 19:45:14,654 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 19:45:14,654 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 19:45:14,654 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 19:45:14,654 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 19:45:14,654 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 19:45:14,654 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 19:45:14,654 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 19:45:14,654 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 19:45:14,655 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 19:45:14,655 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 19:45:14,655 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 19:45:14,655 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 19:45:14,655 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flis_unsafe_false_valid_deref_i__lis [2018-04-09 19:45:14,655 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 19:45:14,655 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 19:45:14,656 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 19:45:14,656 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 19:45:14,656 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 19:45:14,656 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 19:45:14,656 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 19:45:14,656 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 19:45:15,124 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 19:45:15,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 07:45:15 BoogieIcfgContainer [2018-04-09 19:45:15,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 19:45:15,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 19:45:15,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 19:45:15,128 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 19:45:15,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 07:45:14" (1/3) ... [2018-04-09 19:45:15,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b89113d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 07:45:15, skipping insertion in model container [2018-04-09 19:45:15,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:45:14" (2/3) ... [2018-04-09 19:45:15,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b89113d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 07:45:15, skipping insertion in model container [2018-04-09 19:45:15,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 07:45:15" (3/3) ... [2018-04-09 19:45:15,131 INFO L107 eAbstractionObserver]: Analyzing ICFG lis_unsafe_false-valid-deref.i [2018-04-09 19:45:15,138 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 19:45:15,143 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-04-09 19:45:15,190 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 19:45:15,190 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 19:45:15,190 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 19:45:15,190 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 19:45:15,190 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 19:45:15,190 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 19:45:15,190 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 19:45:15,191 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 19:45:15,191 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 19:45:15,191 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 19:45:15,205 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2018-04-09 19:45:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 19:45:15,210 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:15,210 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:15,210 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:15,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1411525669, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:15,232 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:15,276 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:15,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:45:15,331 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:15,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:15,342 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 19:45:15,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-09 19:45:15,363 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:15,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:45:15,372 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-09 19:45:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:15,386 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:15,459 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:45:15,460 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:45:15,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 19:45:15,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 19:45:15,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 19:45:15,474 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 4 states. [2018-04-09 19:45:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:15,587 INFO L93 Difference]: Finished difference Result 199 states and 224 transitions. [2018-04-09 19:45:15,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 19:45:15,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-04-09 19:45:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:15,599 INFO L225 Difference]: With dead ends: 199 [2018-04-09 19:45:15,600 INFO L226 Difference]: Without dead ends: 109 [2018-04-09 19:45:15,604 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:45:15,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-04-09 19:45:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-04-09 19:45:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-04-09 19:45:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 115 transitions. [2018-04-09 19:45:15,652 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 115 transitions. Word has length 26 [2018-04-09 19:45:15,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:15,653 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 115 transitions. [2018-04-09 19:45:15,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 19:45:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2018-04-09 19:45:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 19:45:15,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:15,654 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:15,655 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:15,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1411525668, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:15,665 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:15,692 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:15,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 19:45:15,699 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:15,724 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:15,724 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-09 19:45:15,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 19:45:15,769 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:15,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:45:15,778 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:18 [2018-04-09 19:45:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:15,837 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:16,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:16,594 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:45:16,594 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 10 [2018-04-09 19:45:16,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-09 19:45:16,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-09 19:45:16,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=80, Unknown=1, NotChecked=0, Total=110 [2018-04-09 19:45:16,597 INFO L87 Difference]: Start difference. First operand 109 states and 115 transitions. Second operand 11 states. [2018-04-09 19:45:16,907 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 25 DAG size of output 22 [2018-04-09 19:45:17,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:17,078 INFO L93 Difference]: Finished difference Result 165 states and 178 transitions. [2018-04-09 19:45:17,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 19:45:17,078 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-04-09 19:45:17,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:17,083 INFO L225 Difference]: With dead ends: 165 [2018-04-09 19:45:17,083 INFO L226 Difference]: Without dead ends: 159 [2018-04-09 19:45:17,084 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=139, Unknown=1, NotChecked=0, Total=210 [2018-04-09 19:45:17,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-04-09 19:45:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 139. [2018-04-09 19:45:17,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-04-09 19:45:17,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 156 transitions. [2018-04-09 19:45:17,101 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 156 transitions. Word has length 26 [2018-04-09 19:45:17,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:17,101 INFO L459 AbstractCegarLoop]: Abstraction has 139 states and 156 transitions. [2018-04-09 19:45:17,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-09 19:45:17,101 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 156 transitions. [2018-04-09 19:45:17,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 19:45:17,102 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:17,102 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:17,103 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:17,103 INFO L82 PathProgramCache]: Analyzing trace with hash -807622768, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:17,114 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:17,133 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:17,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:45:17,148 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:17,158 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:17,158 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 19:45:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:17,200 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:17,231 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:45:17,232 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:45:17,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 19:45:17,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 19:45:17,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 19:45:17,232 INFO L87 Difference]: Start difference. First operand 139 states and 156 transitions. Second operand 4 states. [2018-04-09 19:45:17,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:17,284 INFO L93 Difference]: Finished difference Result 139 states and 156 transitions. [2018-04-09 19:45:17,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 19:45:17,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-04-09 19:45:17,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:17,285 INFO L225 Difference]: With dead ends: 139 [2018-04-09 19:45:17,285 INFO L226 Difference]: Without dead ends: 137 [2018-04-09 19:45:17,286 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:45:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-09 19:45:17,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-04-09 19:45:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-09 19:45:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 154 transitions. [2018-04-09 19:45:17,295 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 154 transitions. Word has length 27 [2018-04-09 19:45:17,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:17,295 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 154 transitions. [2018-04-09 19:45:17,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 19:45:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 154 transitions. [2018-04-09 19:45:17,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 19:45:17,296 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:17,296 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:17,296 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:17,296 INFO L82 PathProgramCache]: Analyzing trace with hash -807622767, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:17,302 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:17,319 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:17,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 19:45:17,325 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:17,342 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:17,342 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-09 19:45:17,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:17,395 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:17,480 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:45:17,480 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-09 19:45:17,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-09 19:45:17,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-09 19:45:17,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-09 19:45:17,481 INFO L87 Difference]: Start difference. First operand 137 states and 154 transitions. Second operand 10 states. [2018-04-09 19:45:17,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:17,773 INFO L93 Difference]: Finished difference Result 195 states and 217 transitions. [2018-04-09 19:45:17,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 19:45:17,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-09 19:45:17,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:17,775 INFO L225 Difference]: With dead ends: 195 [2018-04-09 19:45:17,775 INFO L226 Difference]: Without dead ends: 192 [2018-04-09 19:45:17,776 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-04-09 19:45:17,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-04-09 19:45:17,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 164. [2018-04-09 19:45:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-04-09 19:45:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 190 transitions. [2018-04-09 19:45:17,790 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 190 transitions. Word has length 27 [2018-04-09 19:45:17,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:17,791 INFO L459 AbstractCegarLoop]: Abstraction has 164 states and 190 transitions. [2018-04-09 19:45:17,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-09 19:45:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 190 transitions. [2018-04-09 19:45:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-09 19:45:17,792 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:17,792 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] [2018-04-09 19:45:17,793 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:17,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1573555020, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:17,799 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:17,815 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:17,836 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:17,901 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:45:17,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-09 19:45:17,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 19:45:17,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 19:45:17,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:45:17,902 INFO L87 Difference]: Start difference. First operand 164 states and 190 transitions. Second operand 8 states. [2018-04-09 19:45:18,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:18,116 INFO L93 Difference]: Finished difference Result 377 states and 435 transitions. [2018-04-09 19:45:18,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 19:45:18,118 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-04-09 19:45:18,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:18,120 INFO L225 Difference]: With dead ends: 377 [2018-04-09 19:45:18,121 INFO L226 Difference]: Without dead ends: 252 [2018-04-09 19:45:18,122 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-04-09 19:45:18,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-04-09 19:45:18,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 170. [2018-04-09 19:45:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-09 19:45:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 196 transitions. [2018-04-09 19:45:18,136 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 196 transitions. Word has length 32 [2018-04-09 19:45:18,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:18,137 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 196 transitions. [2018-04-09 19:45:18,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 19:45:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 196 transitions. [2018-04-09 19:45:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-09 19:45:18,138 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:18,138 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:18,138 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:18,138 INFO L82 PathProgramCache]: Analyzing trace with hash -2021218396, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:18,149 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:18,168 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:18,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 19:45:18,173 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:18,176 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:18,177 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-09 19:45:18,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-09 19:45:18,189 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:18,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:18,194 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2018-04-09 19:45:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:18,251 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:19,009 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:45:19,009 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2018-04-09 19:45:19,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-09 19:45:19,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-09 19:45:19,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-04-09 19:45:19,010 INFO L87 Difference]: Start difference. First operand 170 states and 196 transitions. Second operand 16 states. [2018-04-09 19:45:19,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:19,507 INFO L93 Difference]: Finished difference Result 225 states and 249 transitions. [2018-04-09 19:45:19,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-09 19:45:19,508 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 33 [2018-04-09 19:45:19,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:19,509 INFO L225 Difference]: With dead ends: 225 [2018-04-09 19:45:19,510 INFO L226 Difference]: Without dead ends: 224 [2018-04-09 19:45:19,511 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2018-04-09 19:45:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-04-09 19:45:19,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 169. [2018-04-09 19:45:19,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-04-09 19:45:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 195 transitions. [2018-04-09 19:45:19,524 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 195 transitions. Word has length 33 [2018-04-09 19:45:19,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:19,525 INFO L459 AbstractCegarLoop]: Abstraction has 169 states and 195 transitions. [2018-04-09 19:45:19,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-09 19:45:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 195 transitions. [2018-04-09 19:45:19,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-09 19:45:19,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:19,527 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:19,527 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:19,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1766739145, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:19,534 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:19,565 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:19,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 19:45:19,575 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:19,579 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:19,580 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-09 19:45:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:19,644 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:19,812 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:45:19,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2018-04-09 19:45:19,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 19:45:19,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 19:45:19,813 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-04-09 19:45:19,813 INFO L87 Difference]: Start difference. First operand 169 states and 195 transitions. Second operand 14 states. [2018-04-09 19:45:20,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:20,433 INFO L93 Difference]: Finished difference Result 233 states and 257 transitions. [2018-04-09 19:45:20,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-09 19:45:20,433 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2018-04-09 19:45:20,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:20,434 INFO L225 Difference]: With dead ends: 233 [2018-04-09 19:45:20,434 INFO L226 Difference]: Without dead ends: 232 [2018-04-09 19:45:20,435 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2018-04-09 19:45:20,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-09 19:45:20,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 166. [2018-04-09 19:45:20,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-04-09 19:45:20,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 192 transitions. [2018-04-09 19:45:20,442 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 192 transitions. Word has length 34 [2018-04-09 19:45:20,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:20,443 INFO L459 AbstractCegarLoop]: Abstraction has 166 states and 192 transitions. [2018-04-09 19:45:20,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 19:45:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 192 transitions. [2018-04-09 19:45:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-09 19:45:20,443 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:20,444 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:20,444 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:20,444 INFO L82 PathProgramCache]: Analyzing trace with hash -560730452, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:20,452 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:20,468 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:20,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:45:20,482 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:20,483 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:20,483 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 19:45:20,489 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:45:20,490 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:45:20,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 19:45:20,491 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:20,495 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:45:20,495 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-04-09 19:45:20,511 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:45:20,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-04-09 19:45:20,512 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:45:20,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:45:20,517 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:11 [2018-04-09 19:45:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:20,530 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:20,604 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:45:20,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-04-09 19:45:20,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 19:45:20,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 19:45:20,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-04-09 19:45:20,605 INFO L87 Difference]: Start difference. First operand 166 states and 192 transitions. Second operand 12 states. [2018-04-09 19:45:20,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:20,716 INFO L93 Difference]: Finished difference Result 166 states and 192 transitions. [2018-04-09 19:45:20,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 19:45:20,716 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-04-09 19:45:20,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:20,717 INFO L225 Difference]: With dead ends: 166 [2018-04-09 19:45:20,717 INFO L226 Difference]: Without dead ends: 165 [2018-04-09 19:45:20,718 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2018-04-09 19:45:20,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-04-09 19:45:20,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-04-09 19:45:20,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-04-09 19:45:20,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 191 transitions. [2018-04-09 19:45:20,725 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 191 transitions. Word has length 36 [2018-04-09 19:45:20,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:20,726 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 191 transitions. [2018-04-09 19:45:20,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 19:45:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 191 transitions. [2018-04-09 19:45:20,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-09 19:45:20,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:20,727 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:20,727 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:20,727 INFO L82 PathProgramCache]: Analyzing trace with hash 915559036, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:20,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:20,748 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:20,767 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:20,805 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:45:20,805 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-04-09 19:45:20,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 19:45:20,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 19:45:20,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:45:20,806 INFO L87 Difference]: Start difference. First operand 165 states and 191 transitions. Second operand 8 states. [2018-04-09 19:45:20,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:45:20,992 INFO L93 Difference]: Finished difference Result 382 states and 440 transitions. [2018-04-09 19:45:20,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-09 19:45:20,993 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2018-04-09 19:45:20,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:45:20,994 INFO L225 Difference]: With dead ends: 382 [2018-04-09 19:45:20,995 INFO L226 Difference]: Without dead ends: 258 [2018-04-09 19:45:20,996 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2018-04-09 19:45:20,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-04-09 19:45:21,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 175. [2018-04-09 19:45:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-04-09 19:45:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 202 transitions. [2018-04-09 19:45:21,004 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 202 transitions. Word has length 39 [2018-04-09 19:45:21,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:45:21,004 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 202 transitions. [2018-04-09 19:45:21,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 19:45:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 202 transitions. [2018-04-09 19:45:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-09 19:45:21,005 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:45:21,006 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:45:21,006 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr5RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr25AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr11RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr0RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr16RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr14RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr3RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr8RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr19RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr22AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr7RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr21RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr4RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr18RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr23AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr15RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr20RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr1RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr10RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr6RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr12RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr13RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr24AssertViolationMEMORY_FREE, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr17RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr2RequiresViolation, __U_MULTI_flis_unsafe_false_valid_deref_i__lisErr9RequiresViolation]=== [2018-04-09 19:45:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash -304864710, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:45:21,013 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:45:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:45:21,037 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:45:21,104 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base Int)) (let ((.cse0 (store |c_old(#valid)| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base 1))) (and (= (select .cse0 c___U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base) 0) (= (select |c_old(#valid)| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base) 0) (= (store (store .cse0 c___U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base 1) __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base 0) |c_#valid|)))) is different from true [2018-04-09 19:45:21,111 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base Int) (__U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base Int)) (let ((.cse0 (store |c_old(#valid)| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base 1))) (and (= (select .cse0 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base) 0) (= |c_#valid| (store (store (store .cse0 __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base 1) __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base 0) __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~prev~0.base 0)) (= (select |c_old(#valid)| __U_MULTI_flis_unsafe_false_valid_deref_i__lis_~best~0.base) 0)))) is different from true [2018-04-09 19:45:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:45:21,123 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:45:21,166 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v___U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.base_12| Int) (|v___U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base_9| Int)) (let ((.cse0 (store |c_#valid| |v___U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base_9| 1))) (or (= (store (store (store .cse0 |v___U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.base_12| 1) |v___U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base_9| 0) |v___U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.base_12| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v___U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc2.base_9|))) (not (= (select .cse0 |v___U_MULTI_flis_unsafe_false_valid_deref_i__lis_#t~malloc3.base_12|) 0))))) is different from false [2018-04-09 19:45:21,172 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 24 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-09 19:45:21,175 INFO L168 Benchmark]: Toolchain (without parser) took 7053.82 ms. Allocated memory was 301.5 MB in the beginning and 542.6 MB in the end (delta: 241.2 MB). Free memory was 237.4 MB in the beginning and 414.5 MB in the end (delta: -177.1 MB). Peak memory consumption was 64.1 MB. Max. memory is 5.3 GB. [2018-04-09 19:45:21,176 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 301.5 MB. Free memory is still 263.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 19:45:21,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.64 ms. Allocated memory is still 301.5 MB. Free memory was 237.4 MB in the beginning and 213.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-09 19:45:21,177 INFO L168 Benchmark]: Boogie Preprocessor took 59.53 ms. Allocated memory is still 301.5 MB. Free memory was 213.3 MB in the beginning and 210.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-09 19:45:21,177 INFO L168 Benchmark]: RCFGBuilder took 600.82 ms. Allocated memory was 301.5 MB in the beginning and 459.3 MB in the end (delta: 157.8 MB). Free memory was 210.3 MB in the beginning and 385.2 MB in the end (delta: -174.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 5.3 GB. [2018-04-09 19:45:21,178 INFO L168 Benchmark]: TraceAbstraction took 6049.22 ms. Allocated memory was 459.3 MB in the beginning and 542.6 MB in the end (delta: 83.4 MB). Free memory was 385.2 MB in the beginning and 414.5 MB in the end (delta: -29.3 MB). Peak memory consumption was 54.0 MB. Max. memory is 5.3 GB. [2018-04-09 19:45:21,181 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 301.5 MB. Free memory is still 263.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 339.64 ms. Allocated memory is still 301.5 MB. Free memory was 237.4 MB in the beginning and 213.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 59.53 ms. Allocated memory is still 301.5 MB. Free memory was 213.3 MB in the beginning and 210.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 600.82 ms. Allocated memory was 301.5 MB in the beginning and 459.3 MB in the end (delta: 157.8 MB). Free memory was 210.3 MB in the beginning and 385.2 MB in the end (delta: -174.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6049.22 ms. Allocated memory was 459.3 MB in the beginning and 542.6 MB in the end (delta: 83.4 MB). Free memory was 385.2 MB in the beginning and 414.5 MB in the end (delta: -29.3 MB). Peak memory consumption was 54.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 24 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 24: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lis_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_19-45-21-189.csv Received shutdown request...