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 0.1.23-1cf7e2d-m [2018-03-29 21:14:29,151 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:14:29,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:14:29,167 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 21:14:29,168 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 21:14:29,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 21:14:29,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 21:14:29,172 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 21:14:29,174 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 21:14:29,175 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 21:14:29,176 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 21:14:29,176 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 21:14:29,177 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 21:14:29,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 21:14:29,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 21:14:29,182 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 21:14:29,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 21:14:29,186 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 21:14:29,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 21:14:29,189 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 21:14:29,192 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 21:14:29,192 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 21:14:29,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 21:14:29,193 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 21:14:29,194 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 21:14:29,196 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 21:14:29,196 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 21:14:29,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 21:14:29,198 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 21:14:29,198 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 21:14:29,199 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 21:14:29,199 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 21:14:29,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:14:29,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:14:29,225 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:14:29,225 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:14:29,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:14:29,226 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:14:29,226 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:14:29,226 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:14:29,227 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:14:29,227 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:14:29,227 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:14:29,227 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:14:29,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:14:29,228 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:14:29,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:14:29,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:14:29,228 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:14:29,228 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:14:29,229 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:14:29,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:14:29,229 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:14:29,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:14:29,229 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:14:29,230 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:14:29,230 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:14:29,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:14:29,230 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:14:29,230 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:14:29,230 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:14:29,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:14:29,231 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:14:29,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:29,231 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:14:29,232 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:14:29,232 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:14:29,232 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:14:29,233 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:14:29,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:14:29,282 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:14:29,286 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:14:29,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:14:29,288 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:14:29,289 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 [2018-03-29 21:14:29,608 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG423e2f671 [2018-03-29 21:14:29,809 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:14:29,809 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:14:29,810 INFO L168 CDTParser]: Scanning test-0158_1_false-valid-free.i [2018-03-29 21:14:29,821 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:14:29,822 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:14:29,822 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:14:29,822 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,822 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:14:29,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____mode_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__int8_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____ssize_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fsfilcnt_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____intptr_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____socklen_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__int32_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____timer_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ino_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsfilcnt64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____blkcnt64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsfilcnt_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__gid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,824 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 [2018-03-29 21:14:29,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ldiv_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____time_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_short in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,825 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 [2018-03-29 21:14:29,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__register_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__div_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__caddr_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____swblk_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,825 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 [2018-03-29 21:14:29,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____rlim_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,826 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 [2018-03-29 21:14:29,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uint32_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__uid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__time_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,826 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 [2018-03-29 21:14:29,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__size_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__off_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__int16_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__pthread_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____id_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,827 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 [2018-03-29 21:14:29,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__wchar_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,827 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 [2018-03-29 21:14:29,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__lldiv_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__id_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uint64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ssize_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsblkcnt64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__nlink_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__uint in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_char in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____off64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____suseconds_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,828 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__clockid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,829 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____int32_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,829 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__timer_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,829 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____nlink_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,829 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_int in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,829 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fsblkcnt_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,829 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 [2018-03-29 21:14:29,829 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__key_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,829 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 [2018-03-29 21:14:29,830 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fd_mask in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,830 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____ino64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,830 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____off_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,830 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_long in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,830 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 [2018-03-29 21:14:29,830 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__clock_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,830 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 [2018-03-29 21:14:29,830 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____WAIT_STATUS in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uint16_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____gid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 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 [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fd_mask in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ushort in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____ino_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____sigset_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____pid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____quad_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 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 [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____clockid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_long in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,831 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 [2018-03-29 21:14:29,832 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 [2018-03-29 21:14:29,832 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____int16_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,832 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__sigset_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,832 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 [2018-03-29 21:14:29,832 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__dev_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,832 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____blkcnt_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,832 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 [2018-03-29 21:14:29,832 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__quad_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,832 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_int in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,832 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__blkcnt_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,832 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 [2018-03-29 21:14:29,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__u_char in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____dev_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____blksize_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____fsblkcnt_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__blksize_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____int64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____qaddr_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,833 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____caddr_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fd_set in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____useconds_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____rlim64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____uint8_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____key_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,834 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 [2018-03-29 21:14:29,834 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__loff_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__ulong in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____int8_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____daddr_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__mode_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____clock_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____u_short in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__int64_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__suseconds_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,835 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 [2018-03-29 21:14:29,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i____loff_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__fsid_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,836 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_free_i__daddr_t in test-0158_1_false-valid-free.i [2018-03-29 21:14:29,853 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG423e2f671 [2018-03-29 21:14:29,857 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:14:29,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:14:29,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:14:29,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:14:29,867 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:14:29,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:14:29" (1/1) ... [2018-03-29 21:14:29,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1007c202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:29, skipping insertion in model container [2018-03-29 21:14:29,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:14:29" (1/1) ... [2018-03-29 21:14:29,883 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:14:29,913 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:14:30,072 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:14:30,115 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:14:30,127 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-03-29 21:14:30,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30 WrapperNode [2018-03-29 21:14:30,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:14:30,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:14:30,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:14:30,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:14:30,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (1/1) ... [2018-03-29 21:14:30,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (1/1) ... [2018-03-29 21:14:30,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (1/1) ... [2018-03-29 21:14:30,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (1/1) ... [2018-03-29 21:14:30,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (1/1) ... [2018-03-29 21:14:30,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (1/1) ... [2018-03-29 21:14:30,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (1/1) ... [2018-03-29 21:14:30,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:14:30,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:14:30,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:14:30,236 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:14:30,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (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 [2018-03-29 21:14:30,362 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:14:30,362 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:14:30,362 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:14:30,363 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-29 21:14:30,363 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 21:14:30,363 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 21:14:30,363 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 21:14:30,363 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 21:14:30,363 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 21:14:30,363 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 21:14:30,364 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 21:14:30,364 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 21:14:30,364 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 21:14:30,364 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 21:14:30,364 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 21:14:30,364 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 21:14:30,365 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 21:14:30,365 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 21:14:30,365 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 21:14:30,365 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 21:14:30,365 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 21:14:30,365 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 21:14:30,365 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 21:14:30,366 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 21:14:30,366 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 21:14:30,366 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 21:14:30,366 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 21:14:30,366 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 21:14:30,366 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 21:14:30,367 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 21:14:30,367 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 21:14:30,367 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 21:14:30,367 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 21:14:30,367 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 21:14:30,367 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 21:14:30,368 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 21:14:30,368 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 21:14:30,368 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 21:14:30,368 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 21:14:30,368 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 21:14:30,368 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 21:14:30,369 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 21:14:30,369 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 21:14:30,369 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 21:14:30,369 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 21:14:30,369 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 21:14:30,369 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 21:14:30,369 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 21:14:30,370 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 21:14:30,370 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 21:14:30,370 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 21:14:30,370 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 21:14:30,370 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 21:14:30,370 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 21:14:30,370 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:14:30,370 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 21:14:30,371 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 21:14:30,371 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:14:30,371 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 21:14:30,371 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 21:14:30,371 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 21:14:30,371 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 21:14:30,371 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 21:14:30,372 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 21:14:30,372 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 21:14:30,372 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 21:14:30,372 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 21:14:30,372 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 21:14:30,372 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-29 21:14:30,372 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 21:14:30,372 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 21:14:30,373 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 21:14:30,373 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 21:14:30,373 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 21:14:30,373 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 21:14:30,373 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 21:14:30,373 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 21:14:30,373 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 21:14:30,374 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 21:14:30,374 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 21:14:30,374 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 21:14:30,374 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 21:14:30,374 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 21:14:30,374 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 21:14:30,374 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 21:14:30,374 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 21:14:30,375 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 21:14:30,375 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 21:14:30,375 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 21:14:30,375 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 21:14:30,375 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 21:14:30,375 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 21:14:30,375 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 21:14:30,375 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 21:14:30,376 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 21:14:30,376 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 21:14:30,376 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 21:14:30,376 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 21:14:30,376 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 21:14:30,376 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 21:14:30,376 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 21:14:30,377 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 21:14:30,377 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 21:14:30,377 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 21:14:30,377 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 21:14:30,377 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 21:14:30,377 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:14:30,377 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:14:30,377 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-29 21:14:30,378 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-29 21:14:30,378 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 21:14:30,378 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 21:14:30,378 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:14:30,378 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:14:30,378 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:14:30,378 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 21:14:30,732 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:14:30,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:14:30 BoogieIcfgContainer [2018-03-29 21:14:30,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:14:30,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:14:30,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:14:30,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:14:30,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:14:29" (1/3) ... [2018-03-29 21:14:30,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7188b345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:14:30, skipping insertion in model container [2018-03-29 21:14:30,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:30" (2/3) ... [2018-03-29 21:14:30,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7188b345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:14:30, skipping insertion in model container [2018-03-29 21:14:30,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:14:30" (3/3) ... [2018-03-29 21:14:30,740 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-free.i [2018-03-29 21:14:30,749 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:14:30,756 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-03-29 21:14:30,798 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:14:30,799 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:14:30,799 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:14:30,799 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:14:30,799 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:14:30,799 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:14:30,799 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:14:30,799 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:14:30,800 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:14:30,800 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:14:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-03-29 21:14:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-29 21:14:30,816 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:30,816 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:30,816 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]=== [2018-03-29 21:14:30,819 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 [2018-03-29 21:14:30,831 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:30,865 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:30,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:30,906 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:30,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:30,910 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:14:30,932 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 [2018-03-29 21:14:30,933 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:30,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:30,937 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-29 21:14:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:30,945 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:30,989 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:30,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-29 21:14:30,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-29 21:14:31,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-29 21:14:31,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-29 21:14:31,002 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 3 states. [2018-03-29 21:14:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:31,069 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-03-29 21:14:31,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-29 21:14:31,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-03-29 21:14:31,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:31,085 INFO L225 Difference]: With dead ends: 57 [2018-03-29 21:14:31,086 INFO L226 Difference]: Without dead ends: 47 [2018-03-29 21:14:31,089 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 [2018-03-29 21:14:31,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-03-29 21:14:31,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-03-29 21:14:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-03-29 21:14:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-03-29 21:14:31,128 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 9 [2018-03-29 21:14:31,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:31,129 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-03-29 21:14:31,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-29 21:14:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-03-29 21:14:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-29 21:14:31,130 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:31,130 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:31,130 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]=== [2018-03-29 21:14:31,130 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 [2018-03-29 21:14:31,139 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:31,150 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:31,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:31,156 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:31,167 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,172 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,172 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-29 21:14:31,183 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:31,184 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:31,185 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 [2018-03-29 21:14:31,185 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,193 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:31,194 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 [2018-03-29 21:14:31,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,206 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. [2018-03-29 21:14:31,207 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-03-29 21:14:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:31,234 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:31,331 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:31,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-29 21:14:31,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:14:31,334 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:14:31,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:14:31,334 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 6 states. [2018-03-29 21:14:31,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:31,409 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2018-03-29 21:14:31,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:14:31,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-03-29 21:14:31,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:31,410 INFO L225 Difference]: With dead ends: 47 [2018-03-29 21:14:31,410 INFO L226 Difference]: Without dead ends: 40 [2018-03-29 21:14:31,411 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 [2018-03-29 21:14:31,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-03-29 21:14:31,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-03-29 21:14:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-03-29 21:14:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2018-03-29 21:14:31,417 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 9 [2018-03-29 21:14:31,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:31,417 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2018-03-29 21:14:31,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:14:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-03-29 21:14:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-03-29 21:14:31,419 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:31,419 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] [2018-03-29 21:14:31,419 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]=== [2018-03-29 21:14:31,419 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 [2018-03-29 21:14:31,427 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:31,455 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:31,465 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 [2018-03-29 21:14:31,467 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 [2018-03-29 21:14:31,467 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,482 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-29 21:14:31,495 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 [2018-03-29 21:14:31,498 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 11 treesize of output 3 [2018-03-29 21:14:31,499 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,500 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,502 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-03-29 21:14:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:31,510 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:31,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:31,546 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:31,546 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:14:31,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:14:31,547 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:14:31,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:14:31,547 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 5 states. [2018-03-29 21:14:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:31,601 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-03-29 21:14:31,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:14:31,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-03-29 21:14:31,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:31,603 INFO L225 Difference]: With dead ends: 40 [2018-03-29 21:14:31,603 INFO L226 Difference]: Without dead ends: 39 [2018-03-29 21:14:31,604 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 [2018-03-29 21:14:31,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-03-29 21:14:31,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-03-29 21:14:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-03-29 21:14:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-03-29 21:14:31,609 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 21 [2018-03-29 21:14:31,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:31,609 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-03-29 21:14:31,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:14:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-03-29 21:14:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-03-29 21:14:31,611 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:31,611 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] [2018-03-29 21:14:31,611 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]=== [2018-03-29 21:14:31,611 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 [2018-03-29 21:14:31,622 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:31,643 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:31,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:31,646 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,656 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,656 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:14:31,672 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 [2018-03-29 21:14:31,674 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 [2018-03-29 21:14:31,674 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,679 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,679 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-29 21:14:31,697 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 [2018-03-29 21:14:31,705 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 [2018-03-29 21:14:31,706 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,715 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,715 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-03-29 21:14:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:31,730 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:31,768 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:31,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:14:31,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:14:31,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:14:31,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:14:31,770 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 5 states. [2018-03-29 21:14:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:31,836 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2018-03-29 21:14:31,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:14:31,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-03-29 21:14:31,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:31,837 INFO L225 Difference]: With dead ends: 39 [2018-03-29 21:14:31,838 INFO L226 Difference]: Without dead ends: 38 [2018-03-29 21:14:31,838 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 [2018-03-29 21:14:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-03-29 21:14:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-03-29 21:14:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-03-29 21:14:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-03-29 21:14:31,842 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 22 [2018-03-29 21:14:31,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:31,843 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-03-29 21:14:31,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:14:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-03-29 21:14:31,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-29 21:14:31,844 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:31,844 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] [2018-03-29 21:14:31,844 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]=== [2018-03-29 21:14:31,844 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 [2018-03-29 21:14:31,850 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:31,871 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:31,894 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 [2018-03-29 21:14:31,896 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 [2018-03-29 21:14:31,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,898 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,902 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-29 21:14:31,910 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 [2018-03-29 21:14:31,913 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 [2018-03-29 21:14:31,913 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:31,917 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-03-29 21:14:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:31,937 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:31,964 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:31,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-29 21:14:31,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:14:31,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:14:31,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:14:31,965 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 6 states. [2018-03-29 21:14:32,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:32,023 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-03-29 21:14:32,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 21:14:32,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-03-29 21:14:32,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:32,024 INFO L225 Difference]: With dead ends: 38 [2018-03-29 21:14:32,024 INFO L226 Difference]: Without dead ends: 37 [2018-03-29 21:14:32,025 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 [2018-03-29 21:14:32,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-03-29 21:14:32,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-03-29 21:14:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-03-29 21:14:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-03-29 21:14:32,027 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 25 [2018-03-29 21:14:32,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:32,028 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-03-29 21:14:32,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:14:32,028 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-03-29 21:14:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-03-29 21:14:32,028 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:32,028 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] [2018-03-29 21:14:32,028 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]=== [2018-03-29 21:14:32,029 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 [2018-03-29 21:14:32,036 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:32,054 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:32,073 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 [2018-03-29 21:14:32,075 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 [2018-03-29 21:14:32,075 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:32,076 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:32,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:32,078 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-03-29 21:14:32,083 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 [2018-03-29 21:14:32,091 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 [2018-03-29 21:14:32,091 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:32,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:32,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:32,093 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-03-29 21:14:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:32,100 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:32,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:32,139 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:32,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-29 21:14:32,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-29 21:14:32,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-29 21:14:32,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-29 21:14:32,140 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 6 states. [2018-03-29 21:14:32,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:32,168 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-03-29 21:14:32,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:14:32,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-03-29 21:14:32,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:32,169 INFO L225 Difference]: With dead ends: 68 [2018-03-29 21:14:32,169 INFO L226 Difference]: Without dead ends: 53 [2018-03-29 21:14:32,169 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 [2018-03-29 21:14:32,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-03-29 21:14:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 39. [2018-03-29 21:14:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-03-29 21:14:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-03-29 21:14:32,173 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 26 [2018-03-29 21:14:32,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:32,173 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-03-29 21:14:32,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-29 21:14:32,173 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-03-29 21:14:32,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-03-29 21:14:32,173 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:32,174 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] [2018-03-29 21:14:32,174 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]=== [2018-03-29 21:14:32,174 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 [2018-03-29 21:14:32,180 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 21:14:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 21:14:32,236 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-29 21:14:32,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 09:14:32 BoogieIcfgContainer [2018-03-29 21:14:32,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 21:14:32,261 INFO L168 Benchmark]: Toolchain (without parser) took 2403.79 ms. Allocated memory was 303.6 MB in the beginning and 483.4 MB in the end (delta: 179.8 MB). Free memory was 239.1 MB in the beginning and 373.0 MB in the end (delta: -133.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:32,262 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 303.6 MB. Free memory is still 265.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:14:32,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.68 ms. Allocated memory is still 303.6 MB. Free memory was 239.1 MB in the beginning and 215.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:32,263 INFO L168 Benchmark]: Boogie Preprocessor took 56.14 ms. Allocated memory is still 303.6 MB. Free memory was 215.0 MB in the beginning and 213.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:32,263 INFO L168 Benchmark]: RCFGBuilder took 496.91 ms. Allocated memory was 303.6 MB in the beginning and 465.0 MB in the end (delta: 161.5 MB). Free memory was 213.0 MB in the beginning and 403.7 MB in the end (delta: -190.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:32,264 INFO L168 Benchmark]: TraceAbstraction took 1527.53 ms. Allocated memory was 465.0 MB in the beginning and 483.4 MB in the end (delta: 18.4 MB). Free memory was 403.7 MB in the beginning and 373.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 49.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:32,267 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 303.6 MB. Free memory is still 265.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 316.68 ms. Allocated memory is still 303.6 MB. Free memory was 239.1 MB in the beginning and 215.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 56.14 ms. Allocated memory is still 303.6 MB. Free memory was 215.0 MB in the beginning and 213.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 496.91 ms. Allocated memory was 303.6 MB in the beginning and 465.0 MB in the end (delta: 161.5 MB). Free memory was 213.0 MB in the beginning and 403.7 MB in the end (delta: -190.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1527.53 ms. Allocated memory was 465.0 MB in the beginning and 483.4 MB in the end (delta: 18.4 MB). Free memory was 403.7 MB in the beginning and 373.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 49.0 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, 1.4s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 201 SDtfs, 327 SDslu, 276 SDs, 0 SdLazy, 153 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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, 0.5s 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-0-2018-03-29_21-14-32-276.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-0-2018-03-29_21-14-32-276.csv Received shutdown request...