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/memsafety/test-0235_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 21:07:35,092 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 21:07:35,094 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 21:07:35,110 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 21:07:35,110 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 21:07:35,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 21:07:35,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 21:07:35,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 21:07:35,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 21:07:35,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 21:07:35,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 21:07:35,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 21:07:35,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 21:07:35,120 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 21:07:35,121 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 21:07:35,123 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 21:07:35,125 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 21:07:35,127 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 21:07:35,128 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 21:07:35,129 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 21:07:35,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 21:07:35,137 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 21:07:35,138 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 21:07:35,138 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 21:07:35,162 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 21:07:35,163 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 21:07:35,163 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 21:07:35,163 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 21:07:35,164 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 21:07:35,164 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 21:07:35,164 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 21:07:35,164 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 21:07:35,165 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 21:07:35,165 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 21:07:35,165 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 21:07:35,165 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 21:07:35,166 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 21:07:35,166 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 21:07:35,166 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 21:07:35,166 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 21:07:35,166 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 21:07:35,167 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 21:07:35,167 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 21:07:35,167 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 21:07:35,167 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 21:07:35,167 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 21:07:35,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 21:07:35,168 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 21:07:35,168 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 21:07:35,168 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 21:07:35,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:07:35,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 21:07:35,169 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 21:07:35,169 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 21:07:35,169 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 21:07:35,169 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 21:07:35,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:07:35,170 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 21:07:35,171 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 21:07:35,171 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 21:07:35,171 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 21:07:35,171 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 21:07:35,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 21:07:35,218 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 21:07:35,221 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 21:07:35,223 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 21:07:35,224 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 21:07:35,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0235_false-valid-deref.i [2018-04-11 21:07:35,539 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc478268a3 [2018-04-11 21:07:35,753 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 21:07:35,753 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 21:07:35,754 INFO L168 CDTParser]: Scanning test-0235_false-valid-deref.i [2018-04-11 21:07:35,767 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 21:07:35,767 INFO L215 ultiparseSymbolTable]: [2018-04-11 21:07:35,767 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 21:07:35,768 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l2_destroy ('l2_destroy') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,768 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l1_destroy ('l1_destroy') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,768 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l3_destroy ('l3_destroy') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,768 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l0_destroy ('l0_destroy') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,768 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l4_destroy ('l4_destroy') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,768 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__zalloc_or_die ('zalloc_or_die') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,768 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__calloc_model ('calloc_model') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,769 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l4_insert ('l4_insert') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,769 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l2_insert ('l2_insert') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,769 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l1_insert ('l1_insert') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,769 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l0_insert ('l0_insert') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,769 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,769 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_deref_i__l3_insert ('l3_insert') in test-0235_false-valid-deref.i [2018-04-11 21:07:35,769 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 21:07:35,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_rwlock_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__fd_set in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____id_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__uid_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__lldiv_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____qaddr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____rlim64_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____fsblkcnt_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__int16_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_key_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____u_char in test-0235_false-valid-deref.i [2018-04-11 21:07:35,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____dev_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____caddr_t in 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__U_MULTI_ftest______false_valid_deref_i__sigset_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____pthread_list_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_barrierattr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__u_char in test-0235_false-valid-deref.i [2018-04-11 21:07:35,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__blkcnt_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__caddr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__time_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__div_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____intptr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__size_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____mode_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__blksize_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____u_long in test-0235_false-valid-deref.i [2018-04-11 21:07:35,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____int16_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____uint32_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____socklen_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__int32_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____ssize_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____quad_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____ino64_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____nlink_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____u_quad_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_rwlockattr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____blkcnt64_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____off_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__fd_mask in test-0235_false-valid-deref.i [2018-04-11 21:07:35,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_barrier_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__fsfilcnt_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__u_int32_t in 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ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__wchar_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__uint in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__nlink_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__u_int8_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____u_int in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__loff_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____fd_mask in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____uint8_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_attr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____sig_atomic_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____uid_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____key_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____int64_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____useconds_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____uint64_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____blkcnt_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_cond_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____sigset_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__u_int16_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__ssize_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__quad_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,778 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____clockid_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____ino_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__off_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_once_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_spinlock_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__id_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__dev_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__clock_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____uint16_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__daddr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____fsid_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,779 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__int8_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__u_int64_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__u_short in test-0235_false-valid-deref.i [2018-04-11 21:07:35,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____time_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__gid_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__ushort in test-0235_false-valid-deref.i [2018-04-11 21:07:35,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__ulong in test-0235_false-valid-deref.i [2018-04-11 21:07:35,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__register_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,780 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__ldiv_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____fsfilcnt64_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__u_long in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_mutex_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__ino_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__locale_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____swblk_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pid_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__fsid_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,781 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____u_short in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__int64_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__mode_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__suseconds_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____int8_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____fsfilcnt_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____loff_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____daddr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____blksize_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____clock_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i____WAIT_STATUS in test-0235_false-valid-deref.i [2018-04-11 21:07:35,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_deref_i__pthread_condattr_t in test-0235_false-valid-deref.i [2018-04-11 21:07:35,816 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc478268a3 [2018-04-11 21:07:35,821 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 21:07:35,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 21:07:35,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 21:07:35,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 21:07:35,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 21:07:35,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:07:35" (1/1) ... [2018-04-11 21:07:35,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db503b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:35, skipping insertion in model container [2018-04-11 21:07:35,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:07:35" (1/1) ... [2018-04-11 21:07:35,846 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:07:35,884 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:07:36,093 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:07:36,160 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:07:36,169 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 170 non ball SCCs. Number of states in SCCs 170. [2018-04-11 21:07:36,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36 WrapperNode [2018-04-11 21:07:36,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 21:07:36,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 21:07:36,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 21:07:36,253 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 21:07:36,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (1/1) ... [2018-04-11 21:07:36,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (1/1) ... [2018-04-11 21:07:36,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (1/1) ... [2018-04-11 21:07:36,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (1/1) ... [2018-04-11 21:07:36,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (1/1) ... [2018-04-11 21:07:36,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (1/1) ... [2018-04-11 21:07:36,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (1/1) ... [2018-04-11 21:07:36,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 21:07:36,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 21:07:36,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 21:07:36,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 21:07:36,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:07:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 21:07:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 21:07:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__calloc_model [2018-04-11 21:07:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__zalloc_or_die [2018-04-11 21:07:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l4_insert [2018-04-11 21:07:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l3_insert [2018-04-11 21:07:36,440 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l2_insert [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l1_insert [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l0_insert [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l4_destroy [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l3_destroy [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l2_destroy [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l1_destroy [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_deref_i__l0_destroy [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 21:07:36,441 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-11 21:07:36,441 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 21:07:36,441 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 21:07:36,442 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 21:07:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 21:07:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 21:07:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 21:07:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 21:07:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 21:07:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 21:07:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 21:07:36,443 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 21:07:36,444 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 21:07:36,445 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 21:07:36,445 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 21:07:36,445 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 21:07:36,445 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 21:07:36,445 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 21:07:36,445 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 21:07:36,445 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 21:07:36,445 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 21:07:36,446 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 21:07:36,447 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 21:07:36,448 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 21:07:36,448 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 21:07:36,448 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 21:07:36,448 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 21:07:36,448 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 21:07:36,448 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 21:07:36,448 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 21:07:36,448 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 21:07:36,449 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 21:07:36,450 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 21:07:36,450 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 21:07:36,450 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 21:07:36,450 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 21:07:36,450 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 21:07:36,450 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 21:07:36,450 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 21:07:36,450 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 21:07:36,451 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 21:07:36,452 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-11 21:07:36,453 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-11 21:07:36,454 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-11 21:07:36,454 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-11 21:07:36,454 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-11 21:07:36,454 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-11 21:07:36,454 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-11 21:07:36,454 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-11 21:07:36,454 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-11 21:07:36,454 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-11 21:07:36,455 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-11 21:07:36,456 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-11 21:07:36,457 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-11 21:07:36,458 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__calloc_model [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__zalloc_or_die [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l4_insert [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l3_insert [2018-04-11 21:07:36,459 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l2_insert [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l1_insert [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l0_insert [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l4_destroy [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l3_destroy [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l2_destroy [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l1_destroy [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_deref_i__l0_destroy [2018-04-11 21:07:36,460 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 21:07:36,461 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 21:07:36,461 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 21:07:36,830 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-11 21:07:37,397 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 21:07:37,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:07:37 BoogieIcfgContainer [2018-04-11 21:07:37,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 21:07:37,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 21:07:37,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 21:07:37,401 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 21:07:37,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:07:35" (1/3) ... [2018-04-11 21:07:37,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2818a965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:07:37, skipping insertion in model container [2018-04-11 21:07:37,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:07:36" (2/3) ... [2018-04-11 21:07:37,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2818a965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:07:37, skipping insertion in model container [2018-04-11 21:07:37,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:07:37" (3/3) ... [2018-04-11 21:07:37,404 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0235_false-valid-deref.i [2018-04-11 21:07:37,412 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 21:07:37,420 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 85 error locations. [2018-04-11 21:07:37,468 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 21:07:37,468 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 21:07:37,468 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 21:07:37,468 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 21:07:37,468 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 21:07:37,468 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 21:07:37,469 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 21:07:37,469 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 21:07:37,469 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 21:07:37,469 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 21:07:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states. [2018-04-11 21:07:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-04-11 21:07:37,491 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:07:37,492 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-04-11 21:07:37,492 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest______false_valid_deref_i__l0_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr2RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr7RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr3AssertViolationMEMORY_FREE]=== [2018-04-11 21:07:37,496 INFO L82 PathProgramCache]: Analyzing trace with hash 511508523, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:07:37,507 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:07:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:07:37,538 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:07:37,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:07:37,593 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:07:37,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:07:37,606 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:07:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:07:37,617 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:07:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:07:37,656 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:07:37,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-11 21:07:37,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 21:07:37,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 21:07:37,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:07:37,676 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 3 states. [2018-04-11 21:07:38,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:07:38,146 INFO L93 Difference]: Finished difference Result 775 states and 923 transitions. [2018-04-11 21:07:38,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 21:07:38,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2018-04-11 21:07:38,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:07:38,165 INFO L225 Difference]: With dead ends: 775 [2018-04-11 21:07:38,166 INFO L226 Difference]: Without dead ends: 458 [2018-04-11 21:07:38,173 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:07:38,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2018-04-11 21:07:38,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 400. [2018-04-11 21:07:38,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-04-11 21:07:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 481 transitions. [2018-04-11 21:07:38,248 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 481 transitions. Word has length 5 [2018-04-11 21:07:38,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:07:38,249 INFO L459 AbstractCegarLoop]: Abstraction has 400 states and 481 transitions. [2018-04-11 21:07:38,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 21:07:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 481 transitions. [2018-04-11 21:07:38,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-04-11 21:07:38,250 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:07:38,250 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-04-11 21:07:38,250 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest______false_valid_deref_i__l0_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr2RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr7RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr3AssertViolationMEMORY_FREE]=== [2018-04-11 21:07:38,250 INFO L82 PathProgramCache]: Analyzing trace with hash 511508524, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:07:38,257 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:07:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:07:38,269 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:07:38,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:07:38,278 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:07:38,285 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:07:38,285 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 21:07:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:07:38,290 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:07:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:07:38,319 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:07:38,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-04-11 21:07:38,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 21:07:38,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 21:07:38,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:07:38,322 INFO L87 Difference]: Start difference. First operand 400 states and 481 transitions. Second operand 4 states. [2018-04-11 21:07:38,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:07:38,577 INFO L93 Difference]: Finished difference Result 409 states and 493 transitions. [2018-04-11 21:07:38,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 21:07:38,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-04-11 21:07:38,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:07:38,580 INFO L225 Difference]: With dead ends: 409 [2018-04-11 21:07:38,581 INFO L226 Difference]: Without dead ends: 401 [2018-04-11 21:07:38,581 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:07:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-04-11 21:07:38,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 392. [2018-04-11 21:07:38,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2018-04-11 21:07:38,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 466 transitions. [2018-04-11 21:07:38,608 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 466 transitions. Word has length 5 [2018-04-11 21:07:38,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:07:38,608 INFO L459 AbstractCegarLoop]: Abstraction has 392 states and 466 transitions. [2018-04-11 21:07:38,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 21:07:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 466 transitions. [2018-04-11 21:07:38,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 21:07:38,609 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:07:38,609 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:07:38,609 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest______false_valid_deref_i__l0_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr2RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr7RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr3AssertViolationMEMORY_FREE]=== [2018-04-11 21:07:38,609 INFO L82 PathProgramCache]: Analyzing trace with hash 118444948, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:07:38,615 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:07:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:07:38,640 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:07:38,646 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 [2018-04-11 21:07:38,646 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:07:38,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:07:38,648 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:07:38,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:07:38,654 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:07:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:07:38,692 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:07:38,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 21:07:38,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 21:07:38,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 21:07:38,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:07:38,693 INFO L87 Difference]: Start difference. First operand 392 states and 466 transitions. Second operand 4 states. [2018-04-11 21:07:38,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:07:38,894 INFO L93 Difference]: Finished difference Result 392 states and 466 transitions. [2018-04-11 21:07:38,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 21:07:38,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-11 21:07:38,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:07:38,896 INFO L225 Difference]: With dead ends: 392 [2018-04-11 21:07:38,896 INFO L226 Difference]: Without dead ends: 391 [2018-04-11 21:07:38,897 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:07:38,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-04-11 21:07:38,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2018-04-11 21:07:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-04-11 21:07:38,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 465 transitions. [2018-04-11 21:07:38,921 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 465 transitions. Word has length 19 [2018-04-11 21:07:38,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:07:38,922 INFO L459 AbstractCegarLoop]: Abstraction has 391 states and 465 transitions. [2018-04-11 21:07:38,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 21:07:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 465 transitions. [2018-04-11 21:07:38,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 21:07:38,922 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:07:38,922 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:07:38,923 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest______false_valid_deref_i__l0_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr2RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr7RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr3AssertViolationMEMORY_FREE]=== [2018-04-11 21:07:38,923 INFO L82 PathProgramCache]: Analyzing trace with hash 118444949, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:07:38,931 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:07:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:07:38,953 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:07:38,962 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 24 treesize of output 23 [2018-04-11 21:07:38,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:07:39,006 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 21 treesize of output 20 [2018-04-11 21:07:39,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:07:39,027 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 21:07:39,027 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:46, output treesize:44 [2018-04-11 21:07:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:07:39,073 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:07:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:07:39,159 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:07:39,159 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-11 21:07:39,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 21:07:39,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 21:07:39,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 21:07:39,160 INFO L87 Difference]: Start difference. First operand 391 states and 465 transitions. Second operand 6 states. [2018-04-11 21:07:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:07:39,497 INFO L93 Difference]: Finished difference Result 391 states and 465 transitions. [2018-04-11 21:07:39,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 21:07:39,497 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-04-11 21:07:39,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:07:39,500 INFO L225 Difference]: With dead ends: 391 [2018-04-11 21:07:39,500 INFO L226 Difference]: Without dead ends: 390 [2018-04-11 21:07:39,501 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:07:39,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-04-11 21:07:39,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2018-04-11 21:07:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-04-11 21:07:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 464 transitions. [2018-04-11 21:07:39,523 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 464 transitions. Word has length 19 [2018-04-11 21:07:39,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:07:39,523 INFO L459 AbstractCegarLoop]: Abstraction has 390 states and 464 transitions. [2018-04-11 21:07:39,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 21:07:39,524 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 464 transitions. [2018-04-11 21:07:39,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-04-11 21:07:39,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:07:39,529 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:07:39,529 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest______false_valid_deref_i__l0_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l0_destroyErr3RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr16EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l2_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l1_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_insertErr2RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l3_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__calloc_modelErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr6RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_insertErr7RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l2_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l1_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr2RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr3RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l0_insertErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr1RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr0RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr2AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr6AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr4RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr5RequiresViolation, __U_MULTI_ftest______false_valid_deref_i__l4_destroyErr3AssertViolationMEMORY_FREE]=== [2018-04-11 21:07:39,530 INFO L82 PathProgramCache]: Analyzing trace with hash 173729290, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:07:39,538 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:07:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:07:39,667 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:07:39,681 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:07:39,681 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:07:39,690 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:07:39,690 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:07:39,974 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_ftest______false_valid_deref_i__calloc_model_#t~malloc0.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_ftest______false_valid_deref_i__calloc_model_#t~malloc0.base| 1)) (= 0 (select |c_old(#valid)| |__U_MULTI_ftest______false_valid_deref_i__calloc_model_#t~malloc0.base|)))) is different from true [2018-04-11 21:07:39,980 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:07:39,981 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-04-11 21:07:39,981 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:07:39,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:07:39,985 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-04-11 21:07:40,050 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:07:40,053 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:07:40,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 21:07:40,054 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:07:40,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:07:40,066 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-11 21:07:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 169 proven. 10 refuted. 0 times theorem prover too weak. 164 trivial. 2 not checked. [2018-04-11 21:07:40,175 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:07:40,397 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-04-11 21:07:40,429 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 13422 column 11: unknown constant v_prenex_3 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:146) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:200) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.IncrementalPlicationChecker.checkPlication(IncrementalPlicationChecker.java:120) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.checkEqualityStatus(Elim1Store.java:667) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.analyzeIndexEqualities(Elim1Store.java:759) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:300) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-11 21:07:40,432 INFO L168 Benchmark]: Toolchain (without parser) took 4611.50 ms. Allocated memory was 307.2 MB in the beginning and 466.1 MB in the end (delta: 158.9 MB). Free memory was 242.9 MB in the beginning and 400.9 MB in the end (delta: -157.9 MB). Peak memory consumption was 920.6 kB. Max. memory is 5.3 GB. [2018-04-11 21:07:40,434 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:07:40,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.25 ms. Allocated memory is still 307.2 MB. Free memory was 242.9 MB in the beginning and 197.1 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 5.3 GB. [2018-04-11 21:07:40,435 INFO L168 Benchmark]: Boogie Preprocessor took 57.29 ms. Allocated memory is still 307.2 MB. Free memory was 197.1 MB in the beginning and 192.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 5.3 GB. [2018-04-11 21:07:40,436 INFO L168 Benchmark]: RCFGBuilder took 1087.07 ms. Allocated memory was 307.2 MB in the beginning and 434.1 MB in the end (delta: 126.9 MB). Free memory was 192.7 MB in the beginning and 320.9 MB in the end (delta: -128.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:07:40,436 INFO L168 Benchmark]: TraceAbstraction took 3033.35 ms. Allocated memory was 434.1 MB in the beginning and 466.1 MB in the end (delta: 32.0 MB). Free memory was 320.9 MB in the beginning and 400.9 MB in the end (delta: -79.9 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:07:40,439 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 268.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 429.25 ms. Allocated memory is still 307.2 MB. Free memory was 242.9 MB in the beginning and 197.1 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.29 ms. Allocated memory is still 307.2 MB. Free memory was 197.1 MB in the beginning and 192.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1087.07 ms. Allocated memory was 307.2 MB in the beginning and 434.1 MB in the end (delta: 126.9 MB). Free memory was 192.7 MB in the beginning and 320.9 MB in the end (delta: -128.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3033.35 ms. Allocated memory was 434.1 MB in the beginning and 466.1 MB in the end (delta: 32.0 MB). Free memory was 320.9 MB in the beginning and 400.9 MB in the end (delta: -79.9 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 13422 column 11: unknown constant v_prenex_3 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 13422 column 11: unknown constant v_prenex_3: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0235_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_21-07-40-449.csv Received shutdown request...