java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 21:44:29,353 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 21:44:29,355 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 21:44:29,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-09 21:44:29,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-09 21:44:29,371 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-09 21:44:29,372 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-09 21:44:29,374 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-09 21:44:29,376 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-09 21:44:29,377 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-09 21:44:29,378 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-09 21:44:29,378 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-09 21:44:29,379 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-09 21:44:29,380 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-09 21:44:29,381 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-09 21:44:29,383 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-09 21:44:29,385 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-09 21:44:29,387 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-09 21:44:29,388 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-09 21:44:29,390 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-09 21:44:29,392 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-09 21:44:29,392 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-09 21:44:29,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-09 21:44:29,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-09 21:44:29,394 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-09 21:44:29,396 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-09 21:44:29,396 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-09 21:44:29,397 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-09 21:44:29,397 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-09 21:44:29,398 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-09 21:44:29,398 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-09 21:44:29,398 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 21:44:29,422 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 21:44:29,422 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 21:44:29,423 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 21:44:29,423 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 21:44:29,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 21:44:29,424 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 21:44:29,424 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 21:44:29,424 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 21:44:29,424 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 21:44:29,425 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 21:44:29,425 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 21:44:29,425 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 21:44:29,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 21:44:29,426 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 21:44:29,426 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 21:44:29,426 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 21:44:29,426 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 21:44:29,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 21:44:29,426 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 21:44:29,427 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 21:44:29,427 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 21:44:29,427 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 21:44:29,427 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 21:44:29,427 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 21:44:29,428 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 21:44:29,428 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 21:44:29,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 21:44:29,428 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 21:44:29,428 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 21:44:29,428 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 21:44:29,429 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 21:44:29,429 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 21:44:29,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:44:29,429 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 21:44:29,430 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 21:44:29,430 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 21:44:29,430 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 21:44:29,431 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 21:44:29,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 21:44:29,477 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 21:44:29,482 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 21:44:29,484 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 21:44:29,484 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 21:44:29,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_false-valid-free.i [2018-04-09 21:44:29,805 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG00fd93bd8 [2018-04-09 21:44:29,998 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 21:44:29,998 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 21:44:29,999 INFO L168 CDTParser]: Scanning test-0158_1_false-valid-free.i [2018-04-09 21:44:30,008 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 21:44:30,009 INFO L215 ultiparseSymbolTable]: [2018-04-09 21:44:30,009 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 21:44:30,009 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,009 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 21:44:30,009 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____mode_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__int8_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____ssize_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fsfilcnt_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____intptr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____socklen_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__int32_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____timer_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ino_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,010 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsfilcnt64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____blkcnt64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsfilcnt_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__gid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_mutexattr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ldiv_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____time_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_short in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_int64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__register_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,011 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__div_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__caddr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____swblk_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_mutex_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____rlim_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_once_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uint32_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__uid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__time_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,012 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_rwlock_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__size_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__off_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__int16_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____id_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____sig_atomic_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__wchar_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_attr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,013 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__lldiv_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__id_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uint64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ssize_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsblkcnt64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__nlink_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,014 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__uint in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_char in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____off64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____suseconds_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__clockid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____int32_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__timer_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____nlink_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,015 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_int in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fsblkcnt_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_int8_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__key_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_int32_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fd_mask in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____ino64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____off_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_long in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,016 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_quad_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__clock_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_barrier_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____WAIT_STATUS in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uint16_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____gid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_rwlockattr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fd_mask in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ushort in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____ino_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,017 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____sigset_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____pid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____quad_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_int16_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____clockid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_long in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____pthread_list_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_barrierattr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____int16_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__sigset_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_spinlock_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__dev_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____blkcnt_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_cond_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,018 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__quad_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_int in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__blkcnt_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_key_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_char in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____dev_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____blksize_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsblkcnt_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__blksize_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____int64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____qaddr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____caddr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,019 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fd_set in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____useconds_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____rlim64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uint8_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____key_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_quad_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__loff_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ulong in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____int8_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,020 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____daddr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__mode_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____clock_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_short in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__int64_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__suseconds_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_condattr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____loff_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fsid_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,021 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__daddr_t in test-0158_1_false-valid-free.i [2018-04-09 21:44:30,038 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG00fd93bd8 [2018-04-09 21:44:30,043 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 21:44:30,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 21:44:30,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 21:44:30,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 21:44:30,052 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 21:44:30,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9dcd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30, skipping insertion in model container [2018-04-09 21:44:30,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,069 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 21:44:30,098 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 21:44:30,259 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 21:44:30,305 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 21:44:30,317 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-09 21:44:30,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30 WrapperNode [2018-04-09 21:44:30,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 21:44:30,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 21:44:30,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 21:44:30,356 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 21:44:30,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (1/1) ... [2018-04-09 21:44:30,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 21:44:30,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 21:44:30,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 21:44:30,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 21:44:30,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (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 21:44:30,543 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 21:44:30,543 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 21:44:30,543 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 21:44:30,543 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-09 21:44:30,543 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 21:44:30,543 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 21:44:30,544 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 21:44:30,544 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 21:44:30,544 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 21:44:30,544 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 21:44:30,544 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 21:44:30,544 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 21:44:30,544 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 21:44:30,544 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 21:44:30,545 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 21:44:30,545 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 21:44:30,545 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 21:44:30,545 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 21:44:30,545 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 21:44:30,545 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 21:44:30,545 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 21:44:30,545 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 21:44:30,546 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 21:44:30,546 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 21:44:30,546 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 21:44:30,546 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 21:44:30,546 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 21:44:30,546 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 21:44:30,547 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 21:44:30,548 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 21:44:30,549 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 21:44:30,549 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 21:44:30,549 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 21:44:30,549 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 21:44:30,549 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 21:44:30,549 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 21:44:30,549 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 21:44:30,549 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 21:44:30,550 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 21:44:30,551 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 21:44:30,552 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 21:44:30,553 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 21:44:30,553 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 21:44:30,553 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 21:44:30,553 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 21:44:30,553 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 21:44:30,553 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 21:44:30,553 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 21:44:30,553 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 21:44:30,554 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 21:44:30,554 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 21:44:30,554 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 21:44:30,554 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 21:44:30,554 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 21:44:30,554 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 21:44:30,554 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 21:44:30,554 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 21:44:30,555 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-09 21:44:30,555 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-09 21:44:30,555 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 21:44:30,555 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 21:44:30,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 21:44:30,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 21:44:30,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 21:44:30,555 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 21:44:30,888 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 21:44:30,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 09:44:30 BoogieIcfgContainer [2018-04-09 21:44:30,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 21:44:30,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 21:44:30,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 21:44:30,893 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 21:44:30,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 09:44:30" (1/3) ... [2018-04-09 21:44:30,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530fd9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 09:44:30, skipping insertion in model container [2018-04-09 21:44:30,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:30" (2/3) ... [2018-04-09 21:44:30,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530fd9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 09:44:30, skipping insertion in model container [2018-04-09 21:44:30,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 09:44:30" (3/3) ... [2018-04-09 21:44:30,897 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-free.i [2018-04-09 21:44:30,906 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 21:44:30,914 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-09 21:44:30,962 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 21:44:30,962 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 21:44:30,963 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 21:44:30,963 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 21:44:30,963 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 21:44:30,963 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 21:44:30,963 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 21:44:30,963 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 21:44:30,963 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 21:44:30,964 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 21:44:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-04-09 21:44:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-09 21:44:30,987 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:30,988 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:30,988 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr15AssertViolationMEMORY_FREE]=== [2018-04-09 21:44:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1097277922, 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 21:44:31,006 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:31,043 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:31,081 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 21:44:31,083 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,089 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:44:31,114 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 21:44:31,114 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,119 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 21:44:31,119 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-09 21:44:31,135 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 21:44:31,136 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:31,148 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 21:44:31,178 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:31,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-09 21:44:31,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-09 21:44:31,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-09 21:44:31,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 21:44:31,192 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 3 states. [2018-04-09 21:44:31,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:31,293 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-04-09 21:44:31,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-09 21:44:31,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-04-09 21:44:31,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:31,304 INFO L225 Difference]: With dead ends: 57 [2018-04-09 21:44:31,304 INFO L226 Difference]: Without dead ends: 47 [2018-04-09 21:44:31,308 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 21:44:31,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-09 21:44:31,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-09 21:44:31,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-09 21:44:31,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-04-09 21:44:31,339 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 9 [2018-04-09 21:44:31,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:31,339 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-04-09 21:44:31,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-09 21:44:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-04-09 21:44:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-09 21:44:31,340 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:31,340 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:31,340 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr15AssertViolationMEMORY_FREE]=== [2018-04-09 21:44:31,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1097277923, 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 21:44:31,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:31,370 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:31,382 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 21:44:31,383 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,390 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 21:44:31,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,396 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-09 21:44:31,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:31,414 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:31,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 11 treesize of output 4 [2018-04-09 21:44:31,416 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,426 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:31,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-09 21:44:31,427 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:31,442 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-09 21:44:31,454 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 21:44:31,455 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:31,542 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 21:44:31,578 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:31,578 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-09 21:44:31,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 21:44:31,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 21:44:31,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-09 21:44:31,581 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 6 states. [2018-04-09 21:44:31,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:31,674 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2018-04-09 21:44:31,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 21:44:31,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-09 21:44:31,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:31,676 INFO L225 Difference]: With dead ends: 47 [2018-04-09 21:44:31,676 INFO L226 Difference]: Without dead ends: 40 [2018-04-09 21:44:31,677 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-09 21:44:31,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-09 21:44:31,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-09 21:44:31,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-09 21:44:31,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2018-04-09 21:44:31,682 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 9 [2018-04-09 21:44:31,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:31,682 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2018-04-09 21:44:31,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 21:44:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-04-09 21:44:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-09 21:44:31,683 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:31,683 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] [2018-04-09 21:44:31,684 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr15AssertViolationMEMORY_FREE]=== [2018-04-09 21:44:31,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1545403756, 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 21:44:31,696 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:31,721 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:31,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:31,737 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 21:44:31,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,746 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,749 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-09 21:44:31,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:44:31,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 21:44:31,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,777 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-09 21:44:31,786 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 21:44:31,786 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:31,793 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 21:44:31,827 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:31,827 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 21:44:31,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 21:44:31,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 21:44:31,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 21:44:31,828 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 5 states. [2018-04-09 21:44:31,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:31,874 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-04-09 21:44:31,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 21:44:31,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-09 21:44:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:31,875 INFO L225 Difference]: With dead ends: 40 [2018-04-09 21:44:31,875 INFO L226 Difference]: Without dead ends: 39 [2018-04-09 21:44:31,875 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-09 21:44:31,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-09 21:44:31,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-09 21:44:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-09 21:44:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-04-09 21:44:31,879 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 21 [2018-04-09 21:44:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:31,879 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-04-09 21:44:31,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 21:44:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-04-09 21:44:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-09 21:44:31,880 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:31,880 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] [2018-04-09 21:44:31,880 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr15AssertViolationMEMORY_FREE]=== [2018-04-09 21:44:31,880 INFO L82 PathProgramCache]: Analyzing trace with hash -662876102, 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 21:44:31,891 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:31,912 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:31,924 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 21:44:31,925 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,944 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:44:31,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:31,971 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 21:44:31,971 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,976 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,977 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-09 21:44:31,985 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-09 21:44:31,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-09 21:44:31,988 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:31,991 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-09 21:44:31,995 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 21:44:31,995 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:32,014 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 21:44:32,034 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:32,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 21:44:32,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 21:44:32,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 21:44:32,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 21:44:32,036 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 5 states. [2018-04-09 21:44:32,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:32,133 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-04-09 21:44:32,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 21:44:32,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-09 21:44:32,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:32,135 INFO L225 Difference]: With dead ends: 39 [2018-04-09 21:44:32,135 INFO L226 Difference]: Without dead ends: 38 [2018-04-09 21:44:32,135 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-09 21:44:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-09 21:44:32,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-09 21:44:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-09 21:44:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-09 21:44:32,140 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 22 [2018-04-09 21:44:32,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:32,140 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-09 21:44:32,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 21:44:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-09 21:44:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-09 21:44:32,141 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:32,141 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] [2018-04-09 21:44:32,141 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr15AssertViolationMEMORY_FREE]=== [2018-04-09 21:44:32,142 INFO L82 PathProgramCache]: Analyzing trace with hash 517750807, 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 21:44:32,153 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:32,174 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:32,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:32,201 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 21:44:32,202 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,204 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,212 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,212 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-09 21:44:32,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:44:32,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 21:44:32,226 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,229 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,229 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-04-09 21:44:32,248 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 21:44:32,248 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:32,256 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 21:44:32,290 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:32,290 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 21:44:32,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 21:44:32,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 21:44:32,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 21:44:32,291 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 6 states. [2018-04-09 21:44:32,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:32,370 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-04-09 21:44:32,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-09 21:44:32,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-09 21:44:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:32,371 INFO L225 Difference]: With dead ends: 38 [2018-04-09 21:44:32,371 INFO L226 Difference]: Without dead ends: 37 [2018-04-09 21:44:32,371 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-04-09 21:44:32,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-09 21:44:32,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-09 21:44:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-09 21:44:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-04-09 21:44:32,375 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 25 [2018-04-09 21:44:32,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:32,375 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-04-09 21:44:32,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 21:44:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-04-09 21:44:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 21:44:32,376 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:32,377 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 21:44:32,377 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr15AssertViolationMEMORY_FREE]=== [2018-04-09 21:44:32,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1129594083, 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 21:44:32,389 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:32,407 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:32,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:32,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:32,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,472 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,486 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,487 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-04-09 21:44:32,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:44:32,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-09 21:44:32,498 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,499 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:32,501 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-09 21:44:32,523 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 21:44:32,523 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:32,544 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 21:44:32,579 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:32,579 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-09 21:44:32,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 21:44:32,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 21:44:32,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 21:44:32,580 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 6 states. [2018-04-09 21:44:32,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:32,623 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-04-09 21:44:32,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 21:44:32,623 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-04-09 21:44:32,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:32,624 INFO L225 Difference]: With dead ends: 68 [2018-04-09 21:44:32,624 INFO L226 Difference]: Without dead ends: 53 [2018-04-09 21:44:32,625 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-09 21:44:32,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-09 21:44:32,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 39. [2018-04-09 21:44:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-09 21:44:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-04-09 21:44:32,630 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 26 [2018-04-09 21:44:32,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:32,630 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-04-09 21:44:32,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 21:44:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-04-09 21:44:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 21:44:32,631 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:32,631 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 21:44:32,631 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr17AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr15AssertViolationMEMORY_FREE]=== [2018-04-09 21:44:32,631 INFO L82 PathProgramCache]: Analyzing trace with hash -12322077, 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 21:44:32,638 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-09 21:44:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-09 21:44:32,714 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-09 21:44:32,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 09:44:32 BoogieIcfgContainer [2018-04-09 21:44:32,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 21:44:32,737 INFO L168 Benchmark]: Toolchain (without parser) took 2693.45 ms. Allocated memory was 305.7 MB in the beginning and 487.6 MB in the end (delta: 181.9 MB). Free memory was 243.0 MB in the beginning and 377.2 MB in the end (delta: -134.1 MB). Peak memory consumption was 47.8 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:32,738 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 21:44:32,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.78 ms. Allocated memory is still 305.7 MB. Free memory was 243.0 MB in the beginning and 219.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:32,738 INFO L168 Benchmark]: Boogie Preprocessor took 51.80 ms. Allocated memory is still 305.7 MB. Free memory was 219.0 MB in the beginning and 217.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:32,739 INFO L168 Benchmark]: RCFGBuilder took 481.04 ms. Allocated memory was 305.7 MB in the beginning and 470.8 MB in the end (delta: 165.2 MB). Free memory was 217.0 MB in the beginning and 410.3 MB in the end (delta: -193.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:32,739 INFO L168 Benchmark]: TraceAbstraction took 1846.46 ms. Allocated memory was 470.8 MB in the beginning and 487.6 MB in the end (delta: 16.8 MB). Free memory was 408.9 MB in the beginning and 377.2 MB in the end (delta: 31.8 MB). Peak memory consumption was 48.5 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:32,742 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 308.78 ms. Allocated memory is still 305.7 MB. Free memory was 243.0 MB in the beginning and 219.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 51.80 ms. Allocated memory is still 305.7 MB. Free memory was 219.0 MB in the beginning and 217.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 481.04 ms. Allocated memory was 305.7 MB in the beginning and 470.8 MB in the end (delta: 165.2 MB). Free memory was 217.0 MB in the beginning and 410.3 MB in the end (delta: -193.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1846.46 ms. Allocated memory was 470.8 MB in the beginning and 487.6 MB in the end (delta: 16.8 MB). Free memory was 408.9 MB in the beginning and 377.2 MB in the end (delta: 31.8 MB). Peak memory consumption was 48.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 641]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; VAL [data={5:0}] [L630] EXPR, FCALL malloc(37U) VAL [data={5:0}, malloc(37U)={7:0}] [L630] FCALL data.p0 = malloc(37U) VAL [data={5:0}, malloc(37U)={7:0}] [L631] EXPR, FCALL data.p0 VAL [data={5:0}, data.p0={7:0}, malloc(37U)={7:0}] [L631] void *ptr = data.p0; VAL [data={5:0}, data.p0={7:0}, malloc(37U)={7:0}, ptr={7:0}] [L632] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, data={5:0}, malloc(37U)={7:0}, ptr={7:0}] [L635] FCALL data.str.p2 = 30 VAL [data={5:0}, malloc(37U)={7:0}, ptr={7:0}] [L637] EXPR, FCALL data.str.p2 VAL [data={5:0}, data.str.p2=30, malloc(37U)={7:0}, ptr={7:0}] [L637] COND FALSE !(25 > data.str.p2) VAL [data={5:0}, data.str.p2=30, malloc(37U)={7:0}, ptr={7:0}] [L640] EXPR, FCALL data.p0 VAL [data={5:0}, data.p0={7:0}, malloc(37U)={7:0}, ptr={7:0}] [L640] free(data.p0) VAL [data={5:0}, data.p0={7:0}, malloc(37U)={7:0}, ptr={7:0}] [L640] free(data.p0) VAL [data={5:0}, data.p0={7:0}, malloc(37U)={7:0}, ptr={7:0}] [L640] FCALL free(data.p0) VAL [data={5:0}, data.p0={7:0}, malloc(37U)={7:0}, ptr={7:0}] [L641] free(ptr) VAL [data={5:0}, malloc(37U)={7:0}, ptr={7:0}] [L641] free(ptr) VAL [data={5:0}, malloc(37U)={7:0}, ptr={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 57 locations, 19 error locations. UNSAFE Result, 1.7s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 201 SDtfs, 327 SDslu, 276 SDs, 0 SdLazy, 153 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 197 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 212 ConstructedInterpolants, 2 QuantifiedInterpolants, 14320 SizeOfPredicates, 21 NumberOfNonLiveVariables, 464 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_21-44-32-753.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-09_21-44-32-753.csv Received shutdown request...