java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 21:14:34,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 21:14:34,154 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 21:14:34,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 21:14:34,169 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 21:14:34,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 21:14:34,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 21:14:34,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 21:14:34,175 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 21:14:34,176 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 21:14:34,177 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 21:14:34,177 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 21:14:34,178 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 21:14:34,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 21:14:34,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 21:14:34,182 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 21:14:34,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 21:14:34,187 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 21:14:34,188 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 21:14:34,189 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 21:14:34,191 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 21:14:34,192 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 21:14:34,192 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 21:14:34,193 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 21:14:34,194 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 21:14:34,195 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 21:14:34,195 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 21:14:34,196 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 21:14:34,197 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 21:14:34,197 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 21:14:34,198 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 21:14:34,198 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 21:14:34,222 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 21:14:34,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 21:14:34,222 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 21:14:34,222 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 21:14:34,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 21:14:34,223 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 21:14:34,223 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 21:14:34,224 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 21:14:34,224 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 21:14:34,224 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 21:14:34,224 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 21:14:34,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 21:14:34,225 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 21:14:34,225 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 21:14:34,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 21:14:34,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 21:14:34,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 21:14:34,226 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 21:14:34,226 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 21:14:34,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 21:14:34,226 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 21:14:34,226 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 21:14:34,227 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 21:14:34,227 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 21:14:34,227 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 21:14:34,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:14:34,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 21:14:34,228 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 21:14:34,228 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 21:14:34,228 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 21:14:34,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 21:14:34,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:34,228 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 21:14:34,229 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 21:14:34,230 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 21:14:34,230 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 21:14:34,230 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 21:14:34,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 21:14:34,277 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 21:14:34,281 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 21:14:34,283 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 21:14:34,283 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 21:14:34,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,637 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5a22cfc01 [2018-03-29 21:14:34,847 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 21:14:34,847 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 21:14:34,848 INFO L168 CDTParser]: Scanning test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,860 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 21:14:34,860 INFO L215 ultiparseSymbolTable]: [2018-03-29 21:14:34,860 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 21:14:34,860 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_data ('free_data') in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,860 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_data ('alloc_data') in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,861 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,861 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 21:14:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____gid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____ino64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____off_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____fsid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,861 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____quad_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____uint16_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__clock_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____ino_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____pid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____WAIT_STATUS in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__int64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____loff_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__daddr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____blkcnt_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_cond_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,862 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____int16_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____u_long in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____daddr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_int16_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____clockid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__quad_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_char in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__blkcnt_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____pthread_list_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_barrierattr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__ushort in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_quad_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____useconds_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,863 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__loff_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__wchar_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____uint8_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_barrier_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____key_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____u_quad_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____int64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____blksize_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__blksize_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____qaddr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__lldiv_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_attr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__uid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__int16_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,864 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____dev_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____rlim64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_once_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____uint32_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_condattr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__div_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____clock_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____int8_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__ulong in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_spinlock_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__mode_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__fsid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_short in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,865 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__caddr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____sigset_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__gid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__suseconds_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____u_short in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____caddr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__fd_set in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,866 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_long in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____mode_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__int8_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____time_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____socklen_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__int32_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____ssize_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_mutexattr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____fsfilcnt_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,867 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__off_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____timer_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__size_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____intptr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__register_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____rlim_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____suseconds_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__time_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_int in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,868 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__TData in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____fsfilcnt64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____fsblkcnt64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_int64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_mutex_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__ino_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____swblk_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__ldiv_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__nlink_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,869 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_key_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____u_char in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____off64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____fd_mask in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____fsblkcnt_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____sig_atomic_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__id_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_int8_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____u_int in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,870 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_rwlock_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__fsblkcnt_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__dev_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____int32_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____id_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__clockid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,871 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__sigset_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____nlink_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__u_int32_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__timer_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__key_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____uint64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__pthread_rwlockattr_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____blkcnt64_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__fd_mask in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,872 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__ssize_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__uint in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i____uid_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,873 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest________false_valid_memtrack_true_termination_i__fsfilcnt_t in test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:34,896 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5a22cfc01 [2018-03-29 21:14:34,900 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 21:14:34,904 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 21:14:34,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 21:14:34,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 21:14:34,910 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 21:14:34,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:14:34" (1/1) ... [2018-03-29 21:14:34,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f937b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:34, skipping insertion in model container [2018-03-29 21:14:34,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 09:14:34" (1/1) ... [2018-03-29 21:14:34,935 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:14:34,972 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 21:14:35,212 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:14:35,271 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 21:14:35,279 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 114 non ball SCCs. Number of states in SCCs 114. [2018-03-29 21:14:35,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35 WrapperNode [2018-03-29 21:14:35,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 21:14:35,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 21:14:35,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 21:14:35,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 21:14:35,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (1/1) ... [2018-03-29 21:14:35,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (1/1) ... [2018-03-29 21:14:35,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (1/1) ... [2018-03-29 21:14:35,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (1/1) ... [2018-03-29 21:14:35,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (1/1) ... [2018-03-29 21:14:35,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (1/1) ... [2018-03-29 21:14:35,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (1/1) ... [2018-03-29 21:14:35,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 21:14:35,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 21:14:35,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 21:14:35,393 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 21:14:35,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 21:14:35,521 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 21:14:35,522 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 21:14:35,522 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_data [2018-03-29 21:14:35,522 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_data [2018-03-29 21:14:35,522 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 21:14:35,522 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-29 21:14:35,522 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 21:14:35,522 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 21:14:35,522 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 21:14:35,522 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 21:14:35,523 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 21:14:35,523 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 21:14:35,523 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 21:14:35,523 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 21:14:35,523 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 21:14:35,523 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 21:14:35,523 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 21:14:35,524 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 21:14:35,524 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 21:14:35,524 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 21:14:35,524 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 21:14:35,524 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 21:14:35,524 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 21:14:35,525 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 21:14:35,525 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 21:14:35,525 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 21:14:35,525 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 21:14:35,525 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 21:14:35,525 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 21:14:35,526 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 21:14:35,526 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 21:14:35,526 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 21:14:35,526 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 21:14:35,526 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 21:14:35,526 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 21:14:35,526 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 21:14:35,527 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 21:14:35,527 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 21:14:35,527 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 21:14:35,527 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 21:14:35,527 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 21:14:35,527 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 21:14:35,527 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 21:14:35,528 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 21:14:35,528 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 21:14:35,528 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 21:14:35,528 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 21:14:35,528 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 21:14:35,528 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 21:14:35,528 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 21:14:35,528 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 21:14:35,529 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 21:14:35,529 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 21:14:35,529 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 21:14:35,529 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 21:14:35,529 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 21:14:35,529 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 21:14:35,529 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 21:14:35,530 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 21:14:35,530 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 21:14:35,530 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 21:14:35,530 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 21:14:35,530 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 21:14:35,530 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 21:14:35,530 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 21:14:35,530 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 21:14:35,531 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 21:14:35,531 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 21:14:35,531 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 21:14:35,531 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 21:14:35,531 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-29 21:14:35,531 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 21:14:35,531 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 21:14:35,531 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 21:14:35,532 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 21:14:35,532 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 21:14:35,532 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 21:14:35,532 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 21:14:35,532 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 21:14:35,532 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 21:14:35,532 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 21:14:35,532 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 21:14:35,533 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 21:14:35,533 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 21:14:35,533 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 21:14:35,533 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 21:14:35,533 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 21:14:35,533 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 21:14:35,533 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 21:14:35,533 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 21:14:35,534 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 21:14:35,534 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 21:14:35,534 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 21:14:35,534 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 21:14:35,534 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 21:14:35,534 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 21:14:35,534 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 21:14:35,534 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 21:14:35,535 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 21:14:35,535 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 21:14:35,535 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 21:14:35,535 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 21:14:35,535 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 21:14:35,535 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 21:14:35,535 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 21:14:35,535 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 21:14:35,536 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 21:14:35,536 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_data [2018-03-29 21:14:35,536 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 21:14:35,536 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-29 21:14:35,536 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-29 21:14:35,536 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 21:14:35,536 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_data [2018-03-29 21:14:35,536 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 21:14:35,537 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 21:14:35,537 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 21:14:35,537 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 21:14:35,537 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 21:14:35,537 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 21:14:36,055 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 21:14:36,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:14:36 BoogieIcfgContainer [2018-03-29 21:14:36,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 21:14:36,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 21:14:36,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 21:14:36,060 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 21:14:36,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 09:14:34" (1/3) ... [2018-03-29 21:14:36,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149ce2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:14:36, skipping insertion in model container [2018-03-29 21:14:36,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 09:14:35" (2/3) ... [2018-03-29 21:14:36,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149ce2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 09:14:36, skipping insertion in model container [2018-03-29 21:14:36,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 09:14:36" (3/3) ... [2018-03-29 21:14:36,064 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_false-valid-memtrack_true-termination.i [2018-03-29 21:14:36,073 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 21:14:36,079 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2018-03-29 21:14:36,128 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 21:14:36,128 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 21:14:36,129 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 21:14:36,129 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 21:14:36,129 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 21:14:36,129 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 21:14:36,129 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 21:14:36,129 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 21:14:36,129 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 21:14:36,130 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 21:14:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-03-29 21:14:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-03-29 21:14:36,155 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:36,156 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:36,156 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:36,161 INFO L82 PathProgramCache]: Analyzing trace with hash 21286001, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:36,173 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:36,212 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:36,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:36,255 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:36,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:36,262 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:14:36,334 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:36,340 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:36,341 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 [2018-03-29 21:14:36,342 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:36,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:36,405 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-03-29 21:14:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:36,429 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:36,519 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:36,519 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-03-29 21:14:36,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-29 21:14:36,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-29 21:14:36,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-03-29 21:14:36,533 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 9 states. [2018-03-29 21:14:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:36,958 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-03-29 21:14:36,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-29 21:14:36,960 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-03-29 21:14:36,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:36,970 INFO L225 Difference]: With dead ends: 82 [2018-03-29 21:14:36,971 INFO L226 Difference]: Without dead ends: 75 [2018-03-29 21:14:36,975 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:14:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-03-29 21:14:37,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-03-29 21:14:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-03-29 21:14:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-03-29 21:14:37,031 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 11 [2018-03-29 21:14:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:37,031 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-03-29 21:14:37,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-29 21:14:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-03-29 21:14:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-03-29 21:14:37,032 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:37,033 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:37,034 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:37,035 INFO L82 PathProgramCache]: Analyzing trace with hash 21286002, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:37,047 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:37,066 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:37,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:37,073 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:37,083 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,091 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,091 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-29 21:14:37,164 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:37,165 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:37,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-29 21:14:37,167 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,179 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:37,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-29 21:14:37,181 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:37,192 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-03-29 21:14:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:37,222 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:37,391 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:37,391 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-29 21:14:37,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-29 21:14:37,392 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-29 21:14:37,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-03-29 21:14:37,393 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 10 states. [2018-03-29 21:14:37,667 WARN L148 SmtUtils]: Spent 136ms on a formula simplification that was a NOOP. DAG size: 25 [2018-03-29 21:14:37,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:37,936 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-03-29 21:14:37,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:14:37,936 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-03-29 21:14:37,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:37,938 INFO L225 Difference]: With dead ends: 75 [2018-03-29 21:14:37,938 INFO L226 Difference]: Without dead ends: 71 [2018-03-29 21:14:37,938 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-03-29 21:14:37,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-03-29 21:14:37,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-03-29 21:14:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-03-29 21:14:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-03-29 21:14:37,944 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 11 [2018-03-29 21:14:37,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:37,945 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-03-29 21:14:37,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-29 21:14:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-03-29 21:14:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-03-29 21:14:37,945 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:37,945 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:37,945 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:37,946 INFO L82 PathProgramCache]: Analyzing trace with hash 3185845, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:37,952 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:37,971 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:37,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:37,980 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,985 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,985 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:14:37,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:14:37,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:14:37,993 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:37,998 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-29 21:14:38,004 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:38,005 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:38,006 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 21 treesize of output 33 [2018-03-29 21:14:38,007 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,012 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,013 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:23 [2018-03-29 21:14:38,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-03-29 21:14:38,028 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:38,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-03-29 21:14:38,030 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,035 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,041 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-03-29 21:14:38,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-03-29 21:14:38,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2018-03-29 21:14:38,058 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:38,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:38,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:38,067 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:15 [2018-03-29 21:14:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:38,076 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:38,130 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:38,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2018-03-29 21:14:38,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-29 21:14:38,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-29 21:14:38,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-03-29 21:14:38,131 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 10 states. [2018-03-29 21:14:38,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:38,409 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-03-29 21:14:38,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:14:38,409 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-03-29 21:14:38,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:38,411 INFO L225 Difference]: With dead ends: 71 [2018-03-29 21:14:38,411 INFO L226 Difference]: Without dead ends: 70 [2018-03-29 21:14:38,412 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-03-29 21:14:38,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-03-29 21:14:38,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-03-29 21:14:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-03-29 21:14:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-03-29 21:14:38,419 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 15 [2018-03-29 21:14:38,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:38,420 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-03-29 21:14:38,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-29 21:14:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-03-29 21:14:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-03-29 21:14:38,420 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:38,421 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:38,421 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:38,421 INFO L82 PathProgramCache]: Analyzing trace with hash 3185846, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:38,433 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:38,451 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:38,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:38,462 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:38,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-29 21:14:38,520 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:14:38,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:14:38,523 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,534 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:14:38,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:14:38,546 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,547 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,553 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,554 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:26 [2018-03-29 21:14:38,565 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:38,566 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 16 treesize of output 23 [2018-03-29 21:14:38,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,576 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:38,577 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:38,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-03-29 21:14:38,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,586 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2018-03-29 21:14:38,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-03-29 21:14:38,609 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:38,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-03-29 21:14:38,610 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,616 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:14:38,632 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:38,634 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 16 treesize of output 23 [2018-03-29 21:14:38,634 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,639 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,648 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,648 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:42 [2018-03-29 21:14:38,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 32 [2018-03-29 21:14:38,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2018-03-29 21:14:38,685 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:38,693 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:38,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-29 21:14:38,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-29 21:14:38,703 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,704 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:38,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:38,709 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:18 [2018-03-29 21:14:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:38,737 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:38,874 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:38,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2018-03-29 21:14:38,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-29 21:14:38,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-29 21:14:38,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:14:38,875 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 11 states. [2018-03-29 21:14:39,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:39,193 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-03-29 21:14:39,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:14:39,193 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-03-29 21:14:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:39,194 INFO L225 Difference]: With dead ends: 70 [2018-03-29 21:14:39,194 INFO L226 Difference]: Without dead ends: 69 [2018-03-29 21:14:39,195 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-03-29 21:14:39,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-03-29 21:14:39,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-03-29 21:14:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-03-29 21:14:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-03-29 21:14:39,201 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 15 [2018-03-29 21:14:39,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:39,202 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-03-29 21:14:39,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-29 21:14:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-03-29 21:14:39,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-29 21:14:39,202 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:39,203 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:39,203 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:39,203 INFO L82 PathProgramCache]: Analyzing trace with hash 420223947, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:39,210 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:39,235 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:39,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:39,247 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,251 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 21:14:39,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:14:39,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:14:39,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:14:39,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:14:39,289 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,291 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,296 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-29 21:14:39,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-29 21:14:39,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:14:39,314 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,316 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-29 21:14:39,341 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-29 21:14:39,341 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,343 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,347 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-29 21:14:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:39,355 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:39,418 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:39,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-03-29 21:14:39,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 21:14:39,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 21:14:39,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-03-29 21:14:39,419 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 8 states. [2018-03-29 21:14:39,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:39,522 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-03-29 21:14:39,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:14:39,523 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-03-29 21:14:39,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:39,524 INFO L225 Difference]: With dead ends: 69 [2018-03-29 21:14:39,524 INFO L226 Difference]: Without dead ends: 68 [2018-03-29 21:14:39,525 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-03-29 21:14:39,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-03-29 21:14:39,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-03-29 21:14:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-03-29 21:14:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-03-29 21:14:39,531 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 18 [2018-03-29 21:14:39,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:39,531 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-03-29 21:14:39,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 21:14:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-03-29 21:14:39,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-03-29 21:14:39,532 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:39,532 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:39,532 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:39,533 INFO L82 PathProgramCache]: Analyzing trace with hash 420223946, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:39,546 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:39,565 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:39,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:39,569 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,570 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 21:14:39,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:14:39,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:14:39,580 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,586 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,586 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-29 21:14:39,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-29 21:14:39,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:14:39,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,595 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-29 21:14:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:39,600 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:39,625 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:39,625 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-29 21:14:39,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-29 21:14:39,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-29 21:14:39,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-29 21:14:39,626 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 5 states. [2018-03-29 21:14:39,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:39,690 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-03-29 21:14:39,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-29 21:14:39,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-03-29 21:14:39,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:39,691 INFO L225 Difference]: With dead ends: 68 [2018-03-29 21:14:39,692 INFO L226 Difference]: Without dead ends: 67 [2018-03-29 21:14:39,692 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:14:39,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-03-29 21:14:39,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-03-29 21:14:39,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-03-29 21:14:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-03-29 21:14:39,699 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 18 [2018-03-29 21:14:39,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:39,700 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-03-29 21:14:39,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-29 21:14:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-03-29 21:14:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-29 21:14:39,701 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:39,701 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:39,701 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:39,701 INFO L82 PathProgramCache]: Analyzing trace with hash 728131373, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:39,714 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:39,746 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:39,786 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:39,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 7 [2018-03-29 21:14:39,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:39,809 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:3 [2018-03-29 21:14:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:39,835 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:39,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-29 21:14:39,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-29 21:14:39,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-29 21:14:39,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-29 21:14:39,836 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 7 states. [2018-03-29 21:14:39,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:39,952 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2018-03-29 21:14:39,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 21:14:39,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-03-29 21:14:39,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:39,957 INFO L225 Difference]: With dead ends: 76 [2018-03-29 21:14:39,957 INFO L226 Difference]: Without dead ends: 72 [2018-03-29 21:14:39,958 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-03-29 21:14:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-03-29 21:14:39,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2018-03-29 21:14:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-03-29 21:14:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2018-03-29 21:14:39,964 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 24 [2018-03-29 21:14:39,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:39,964 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2018-03-29 21:14:39,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-29 21:14:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-03-29 21:14:39,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-29 21:14:39,965 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:39,965 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:39,965 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:39,966 INFO L82 PathProgramCache]: Analyzing trace with hash 728131374, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:39,975 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:39,996 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:40,029 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:40,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-03-29 21:14:40,108 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:40,159 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:40,159 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-03-29 21:14:40,208 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:40,225 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:40,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2018-03-29 21:14:40,226 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:40,237 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:40,238 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-03-29 21:14:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:40,302 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:40,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-03-29 21:14:40,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-29 21:14:40,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-29 21:14:40,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-03-29 21:14:40,303 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 11 states. [2018-03-29 21:14:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:40,535 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2018-03-29 21:14:40,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-29 21:14:40,535 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2018-03-29 21:14:40,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:40,536 INFO L225 Difference]: With dead ends: 65 [2018-03-29 21:14:40,536 INFO L226 Difference]: Without dead ends: 63 [2018-03-29 21:14:40,536 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-03-29 21:14:40,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-03-29 21:14:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-03-29 21:14:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-03-29 21:14:40,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-03-29 21:14:40,541 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 24 [2018-03-29 21:14:40,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:40,541 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-03-29 21:14:40,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-29 21:14:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-03-29 21:14:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-03-29 21:14:40,542 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:40,542 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:40,542 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:40,542 INFO L82 PathProgramCache]: Analyzing trace with hash -2118070082, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:40,548 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:40,572 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:40,618 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:40,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-03-29 21:14:40,683 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:40,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:40,685 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:3 [2018-03-29 21:14:40,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2018-03-29 21:14:40,699 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:40,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:40,702 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:9 [2018-03-29 21:14:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:40,737 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:40,737 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 13 [2018-03-29 21:14:40,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-29 21:14:40,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-29 21:14:40,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-03-29 21:14:40,738 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 14 states. [2018-03-29 21:14:40,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:40,876 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-03-29 21:14:40,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-29 21:14:40,877 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2018-03-29 21:14:40,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:40,877 INFO L225 Difference]: With dead ends: 63 [2018-03-29 21:14:40,877 INFO L226 Difference]: Without dead ends: 61 [2018-03-29 21:14:40,878 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-03-29 21:14:40,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-03-29 21:14:40,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-03-29 21:14:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-03-29 21:14:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-03-29 21:14:40,882 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 27 [2018-03-29 21:14:40,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:40,883 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-03-29 21:14:40,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-29 21:14:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-03-29 21:14:40,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-29 21:14:40,884 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:40,884 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:40,884 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:40,884 INFO L82 PathProgramCache]: Analyzing trace with hash -2061283181, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:40,894 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:40,918 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:40,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:14:40,964 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:14:40,965 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:40,967 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:40,972 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:40,973 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-03-29 21:14:41,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-03-29 21:14:41,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-03-29 21:14:41,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,048 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,061 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-03-29 21:14:41,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 11 [2018-03-29 21:14:41,065 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,068 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,071 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,071 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:11 [2018-03-29 21:14:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:41,099 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:41,187 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:14:41,187 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,189 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,189 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:99, output treesize:1 [2018-03-29 21:14:41,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2018-03-29 21:14:41,200 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:41,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-03-29 21:14:41,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,227 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:14:41,227 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:39 [2018-03-29 21:14:41,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2018-03-29 21:14:41,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-03-29 21:14:41,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-03-29 21:14:41,280 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,288 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:41,309 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:41,310 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:56, output treesize:23 [2018-03-29 21:14:41,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-29 21:14:41,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-29 21:14:41,338 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,339 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-29 21:14:41,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-29 21:14:41,348 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,349 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,351 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:41,351 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:7 [2018-03-29 21:14:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:41,381 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:41,381 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 15 [2018-03-29 21:14:41,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-29 21:14:41,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-29 21:14:41,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2018-03-29 21:14:41,382 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 16 states. [2018-03-29 21:14:41,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:41,671 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-03-29 21:14:41,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-29 21:14:41,671 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-03-29 21:14:41,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:41,672 INFO L225 Difference]: With dead ends: 61 [2018-03-29 21:14:41,672 INFO L226 Difference]: Without dead ends: 60 [2018-03-29 21:14:41,672 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2018-03-29 21:14:41,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-03-29 21:14:41,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-03-29 21:14:41,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-03-29 21:14:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-03-29 21:14:41,676 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 30 [2018-03-29 21:14:41,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:41,677 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-03-29 21:14:41,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-29 21:14:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-03-29 21:14:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-29 21:14:41,677 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:41,677 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:41,678 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:41,678 INFO L82 PathProgramCache]: Analyzing trace with hash -2061283182, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:41,686 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:41,716 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:41,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:14:41,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-03-29 21:14:41,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:41,848 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-03-29 21:14:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:41,933 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:41,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-29 21:14:42,025 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,026 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,026 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-03-29 21:14:42,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-03-29 21:14:42,034 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-03-29 21:14:42,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-03-29 21:14:42,041 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,043 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:42,045 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:42,045 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-29 21:14:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:42,071 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:42,071 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 13 [2018-03-29 21:14:42,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-29 21:14:42,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-29 21:14:42,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-03-29 21:14:42,072 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 14 states. [2018-03-29 21:14:42,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:42,440 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-03-29 21:14:42,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-29 21:14:42,440 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2018-03-29 21:14:42,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:42,446 INFO L225 Difference]: With dead ends: 63 [2018-03-29 21:14:42,446 INFO L226 Difference]: Without dead ends: 61 [2018-03-29 21:14:42,447 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2018-03-29 21:14:42,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-03-29 21:14:42,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2018-03-29 21:14:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-03-29 21:14:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-03-29 21:14:42,451 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 30 [2018-03-29 21:14:42,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:42,452 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-03-29 21:14:42,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-29 21:14:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-03-29 21:14:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-29 21:14:42,453 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:42,453 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:42,453 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:42,453 INFO L82 PathProgramCache]: Analyzing trace with hash 524730817, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:42,466 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:42,497 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:42,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:42,537 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,544 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-03-29 21:14:42,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:14:42,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:14:42,568 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,580 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:42,608 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-03-29 21:14:42,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-29 21:14:42,733 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:42,734 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:14:42,734 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,743 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:5 [2018-03-29 21:14:42,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:42,765 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:42,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-03-29 21:14:42,842 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-03-29 21:14:42,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:14:42,856 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,857 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:42,861 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:27, output treesize:7 [2018-03-29 21:14:42,900 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-03-29 21:14:42,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2018-03-29 21:14:42,902 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:42,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:42,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-29 21:14:42,916 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:68 [2018-03-29 21:14:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:43,071 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:43,071 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2018-03-29 21:14:43,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-03-29 21:14:43,072 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-03-29 21:14:43,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-03-29 21:14:43,072 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 19 states. [2018-03-29 21:14:43,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:43,509 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-03-29 21:14:43,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-29 21:14:43,509 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 31 [2018-03-29 21:14:43,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:43,510 INFO L225 Difference]: With dead ends: 61 [2018-03-29 21:14:43,510 INFO L226 Difference]: Without dead ends: 60 [2018-03-29 21:14:43,510 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2018-03-29 21:14:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-03-29 21:14:43,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-03-29 21:14:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-03-29 21:14:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-03-29 21:14:43,514 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 31 [2018-03-29 21:14:43,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:43,514 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-03-29 21:14:43,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-03-29 21:14:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-03-29 21:14:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-03-29 21:14:43,515 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:43,515 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:43,515 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:43,515 INFO L82 PathProgramCache]: Analyzing trace with hash 524730818, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:43,521 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:43,542 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:43,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:43,548 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,554 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-03-29 21:14:43,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:14:43,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:14:43,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:14:43,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:14:43,589 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,591 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,595 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-29 21:14:43,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-03-29 21:14:43,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2018-03-29 21:14:43,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-03-29 21:14:43,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-03-29 21:14:43,638 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,639 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,642 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-03-29 21:14:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:43,671 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:43,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-03-29 21:14:43,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:14:43,861 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:43,865 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:43,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-03-29 21:14:43,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:14:43,870 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:43,875 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:43,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-03-29 21:14:43,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-03-29 21:14:43,879 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:43,882 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:43,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-03-29 21:14:43,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-29 21:14:43,914 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,915 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-03-29 21:14:43,918 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-29 21:14:43,918 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,919 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-03-29 21:14:43,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-03-29 21:14:43,923 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,923 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:43,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:14:43,939 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:59, output treesize:17 [2018-03-29 21:14:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:43,985 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:43,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2018-03-29 21:14:43,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-03-29 21:14:43,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-03-29 21:14:43,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-03-29 21:14:43,986 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 17 states. [2018-03-29 21:14:44,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:44,204 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-03-29 21:14:44,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-29 21:14:44,204 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-03-29 21:14:44,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:44,205 INFO L225 Difference]: With dead ends: 57 [2018-03-29 21:14:44,205 INFO L226 Difference]: Without dead ends: 55 [2018-03-29 21:14:44,206 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2018-03-29 21:14:44,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-03-29 21:14:44,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-03-29 21:14:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-03-29 21:14:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-03-29 21:14:44,209 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 31 [2018-03-29 21:14:44,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:44,210 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-03-29 21:14:44,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-03-29 21:14:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-03-29 21:14:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-29 21:14:44,211 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:44,211 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:44,211 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:44,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1230421182, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:44,219 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:44,239 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:44,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:14:44,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:14:44,257 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,258 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,261 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-03-29 21:14:44,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-29 21:14:44,274 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:44,275 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 16 treesize of output 23 [2018-03-29 21:14:44,276 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,285 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:7 [2018-03-29 21:14:44,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-29 21:14:44,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-29 21:14:44,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,319 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-03-29 21:14:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:44,337 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:44,433 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-29 21:14:44,434 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,434 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-03-29 21:14:44,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-03-29 21:14:44,468 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-03-29 21:14:44,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2018-03-29 21:14:44,482 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:44,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-29 21:14:44,484 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,492 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:14:44,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:14:44,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2018-03-29 21:14:44,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-03-29 21:14:44,516 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,526 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-03-29 21:14:44,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2018-03-29 21:14:44,542 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:44,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-29 21:14:44,543 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,552 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:14:44,588 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2018-03-29 21:14:44,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-03-29 21:14:44,614 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-03-29 21:14:44,631 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:44,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2018-03-29 21:14:44,636 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:44,659 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:14:44,674 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:14:44,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-03-29 21:14:44,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-29 21:14:44,676 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,677 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-29 21:14:44,693 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 2 variables, input treesize:20, output treesize:24 [2018-03-29 21:14:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:44,721 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:44,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 15 [2018-03-29 21:14:44,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-29 21:14:44,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-29 21:14:44,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-03-29 21:14:44,722 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 16 states. [2018-03-29 21:14:44,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:44,906 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-03-29 21:14:44,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 21:14:44,906 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 35 [2018-03-29 21:14:44,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:44,907 INFO L225 Difference]: With dead ends: 55 [2018-03-29 21:14:44,907 INFO L226 Difference]: Without dead ends: 54 [2018-03-29 21:14:44,907 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2018-03-29 21:14:44,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-03-29 21:14:44,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-03-29 21:14:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-03-29 21:14:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-03-29 21:14:44,911 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 35 [2018-03-29 21:14:44,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:44,911 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-03-29 21:14:44,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-29 21:14:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-03-29 21:14:44,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-03-29 21:14:44,912 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:44,912 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:44,912 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:44,913 INFO L82 PathProgramCache]: Analyzing trace with hash -300147483, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:44,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:44,942 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:44,950 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:44,950 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,954 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:44,955 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-29 21:14:45,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:14:45,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:14:45,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,033 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,049 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-03-29 21:14:45,080 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:45,081 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:45,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-03-29 21:14:45,082 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,089 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-03-29 21:14:45,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-03-29 21:14:45,114 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:45,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-03-29 21:14:45,117 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,121 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-03-29 21:14:45,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-03-29 21:14:45,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2018-03-29 21:14:45,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,257 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,258 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-03-29 21:14:45,294 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:45,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-03-29 21:14:45,295 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 21:14:45,299 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-03-29 21:14:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:45,315 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:45,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-29 21:14:45,337 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,338 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-03-29 21:14:45,447 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,448 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-03-29 21:14:45,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-03-29 21:14:45,525 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-03-29 21:14:45,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-03-29 21:14:45,558 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,561 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:45,562 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2018-03-29 21:14:45,563 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,565 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:45,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 31 [2018-03-29 21:14:45,571 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:45,584 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:45,588 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:45,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-03-29 21:14:45,591 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:45,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 10 [2018-03-29 21:14:45,591 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,594 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:45,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-29 21:14:45,603 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2018-03-29 21:14:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:45,686 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:45,686 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [17, 15] imperfect sequences [] total 28 [2018-03-29 21:14:45,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-03-29 21:14:45,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-03-29 21:14:45,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2018-03-29 21:14:45,687 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 29 states. [2018-03-29 21:14:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:46,145 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-03-29 21:14:46,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-03-29 21:14:46,145 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 39 [2018-03-29 21:14:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:46,146 INFO L225 Difference]: With dead ends: 57 [2018-03-29 21:14:46,147 INFO L226 Difference]: Without dead ends: 56 [2018-03-29 21:14:46,147 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=237, Invalid=1569, Unknown=0, NotChecked=0, Total=1806 [2018-03-29 21:14:46,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-03-29 21:14:46,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-03-29 21:14:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-03-29 21:14:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-03-29 21:14:46,151 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 39 [2018-03-29 21:14:46,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:46,152 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-03-29 21:14:46,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-03-29 21:14:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-03-29 21:14:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-29 21:14:46,153 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:46,153 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:46,153 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:46,153 INFO L82 PathProgramCache]: Analyzing trace with hash -678919251, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:46,161 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 21:14:46,183 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 21:14:46,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 21:14:46,193 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,197 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-29 21:14:46,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-29 21:14:46,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-29 21:14:46,210 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,211 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-03-29 21:14:46,231 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:46,232 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:46,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-03-29 21:14:46,232 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,238 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-03-29 21:14:46,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-29 21:14:46,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-03-29 21:14:46,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-03-29 21:14:46,326 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 21:14:46,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-03-29 21:14:46,327 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,333 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,344 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,345 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:24 [2018-03-29 21:14:46,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2018-03-29 21:14:46,406 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 16 treesize of output 15 [2018-03-29 21:14:46,406 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,408 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,415 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,415 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-03-29 21:14:46,456 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2018-03-29 21:14:46,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-03-29 21:14:46,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,470 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:62, output treesize:52 [2018-03-29 21:14:46,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2018-03-29 21:14:46,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2018-03-29 21:14:46,673 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,678 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2018-03-29 21:14:46,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2018-03-29 21:14:46,688 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,691 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,695 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:19 [2018-03-29 21:14:46,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-03-29 21:14:46,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-29 21:14:46,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-03-29 21:14:46,781 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,783 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,786 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:46,786 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:33, output treesize:7 [2018-03-29 21:14:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:46,808 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 21:14:47,277 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:47,277 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 8 variables, input treesize:131, output treesize:1 [2018-03-29 21:14:47,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 93 [2018-03-29 21:14:47,524 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 9 treesize of output 8 [2018-03-29 21:14:47,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:47,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 94 [2018-03-29 21:14:47,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 75 [2018-03-29 21:14:47,621 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:47,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 79 [2018-03-29 21:14:47,765 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:47,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 66 [2018-03-29 21:14:47,883 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:47,929 INFO L267 ElimStorePlain]: Start of recursive call 4: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:47,953 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 96 [2018-03-29 21:14:47,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 83 [2018-03-29 21:14:47,984 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:48,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 85 [2018-03-29 21:14:48,162 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:48,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 76 [2018-03-29 21:14:48,287 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:48,336 INFO L267 ElimStorePlain]: Start of recursive call 8: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:48,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 94 [2018-03-29 21:14:48,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 72 [2018-03-29 21:14:48,395 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:48,513 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2018-03-29 21:14:48,514 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:48,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-03-29 21:14:48,515 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:48,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 73 [2018-03-29 21:14:48,608 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:48,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 66 [2018-03-29 21:14:48,771 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:48,785 INFO L267 ElimStorePlain]: Start of recursive call 12: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:48,800 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 103 [2018-03-29 21:14:48,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2018-03-29 21:14:48,805 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:48,911 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:48,913 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:48,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 94 [2018-03-29 21:14:48,925 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:49,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2018-03-29 21:14:49,027 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:49,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-03-29 21:14:49,108 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:49,183 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:49,185 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:49,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 88 [2018-03-29 21:14:49,195 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:49,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 73 [2018-03-29 21:14:49,325 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:49,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 79 [2018-03-29 21:14:49,478 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:49,577 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 70 [2018-03-29 21:14:49,578 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:49,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-03-29 21:14:49,665 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:49,715 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:49,717 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:49,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 81 [2018-03-29 21:14:49,728 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:49,749 INFO L267 ElimStorePlain]: Start of recursive call 18: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:49,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 109 [2018-03-29 21:14:49,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2018-03-29 21:14:49,772 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:49,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 73 [2018-03-29 21:14:49,922 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:50,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-03-29 21:14:50,025 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:50,119 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,119 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2018-03-29 21:14:50,120 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:50,192 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,194 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 94 [2018-03-29 21:14:50,204 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:50,253 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 60 [2018-03-29 21:14:50,253 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:50,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-03-29 21:14:50,371 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:50,413 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,415 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 81 [2018-03-29 21:14:50,425 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:50,465 INFO L267 ElimStorePlain]: Start of recursive call 29: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:50,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 73 [2018-03-29 21:14:50,475 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,475 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2018-03-29 21:14:50,476 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:50,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-03-29 21:14:50,497 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:50,515 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 53 [2018-03-29 21:14:50,516 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:50,532 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:50,550 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 90 [2018-03-29 21:14:50,563 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,564 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 60 [2018-03-29 21:14:50,565 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:50,660 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,662 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:50,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 62 [2018-03-29 21:14:50,674 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:50,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2018-03-29 21:14:50,792 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2018-03-29 21:14:51,068 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2018-03-29 21:14:51,109 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-03-29 21:14:51,137 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 54 [2018-03-29 21:14:51,169 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:51,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-03-29 21:14:51,200 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,215 INFO L267 ElimStorePlain]: Start of recursive call 42: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:51,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 96 [2018-03-29 21:14:51,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 73 [2018-03-29 21:14:51,236 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-03-29 21:14:51,328 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 76 [2018-03-29 21:14:51,418 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:51,478 INFO L267 ElimStorePlain]: Start of recursive call 51: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 88 [2018-03-29 21:14:51,498 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:51,499 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:51,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 61 [2018-03-29 21:14:51,509 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:51,577 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:51,579 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:51,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 49 [2018-03-29 21:14:51,589 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:51,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 41 [2018-03-29 21:14:51,635 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,668 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 47 [2018-03-29 21:14:51,669 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:51,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2018-03-29 21:14:51,717 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-03-29 21:14:51,739 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2018-03-29 21:14:51,764 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:51,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-03-29 21:14:51,810 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,814 INFO L267 ElimStorePlain]: Start of recursive call 55: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:51,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 60 [2018-03-29 21:14:51,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2018-03-29 21:14:51,823 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-03-29 21:14:51,838 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,857 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 46 [2018-03-29 21:14:51,858 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:51,865 INFO L267 ElimStorePlain]: Start of recursive call 64: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:51,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 96 [2018-03-29 21:14:51,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 74 [2018-03-29 21:14:51,893 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:52,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 83 [2018-03-29 21:14:52,015 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:52,093 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-03-29 21:14:52,093 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 76 [2018-03-29 21:14:52,136 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:52,187 INFO L267 ElimStorePlain]: Start of recursive call 68: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 60 [2018-03-29 21:14:52,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2018-03-29 21:14:52,198 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-03-29 21:14:52,216 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,232 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,232 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 46 [2018-03-29 21:14:52,233 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,246 INFO L267 ElimStorePlain]: Start of recursive call 73: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:52,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 90 [2018-03-29 21:14:52,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 60 [2018-03-29 21:14:52,271 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2018-03-29 21:14:52,358 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 66 [2018-03-29 21:14:52,468 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:52,559 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,560 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 49 [2018-03-29 21:14:52,561 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,634 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 60 [2018-03-29 21:14:52,635 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:52,706 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,708 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 71 [2018-03-29 21:14:52,718 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:52,780 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,782 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 75 [2018-03-29 21:14:52,792 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:52,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2018-03-29 21:14:52,880 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2018-03-29 21:14:52,953 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:52,980 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,982 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:52,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 62 [2018-03-29 21:14:52,992 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 3 xjuncts. [2018-03-29 21:14:53,012 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-03-29 21:14:53,013 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,021 INFO L267 ElimStorePlain]: Start of recursive call 77: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:53,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 67 [2018-03-29 21:14:53,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-29 21:14:53,025 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,031 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,049 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 96 [2018-03-29 21:14:53,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-03-29 21:14:53,053 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-03-29 21:14:53,159 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2018-03-29 21:14:53,243 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 85 [2018-03-29 21:14:53,343 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:53,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 83 [2018-03-29 21:14:53,503 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:53,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 76 [2018-03-29 21:14:53,628 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 8 xjuncts. [2018-03-29 21:14:53,650 INFO L267 ElimStorePlain]: Start of recursive call 91: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 73 [2018-03-29 21:14:53,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2018-03-29 21:14:53,660 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-03-29 21:14:53,679 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,696 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:53,697 INFO L682 Elim1Store]: detected equality via solver [2018-03-29 21:14:53,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 59 [2018-03-29 21:14:53,697 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,711 INFO L267 ElimStorePlain]: Start of recursive call 98: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:53,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:14:53,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-29 21:14:53,760 INFO L202 ElimStorePlain]: Needed 101 recursive calls to eliminate 1 variables, input treesize:115, output treesize:74 [2018-03-29 21:14:53,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-03-29 21:14:53,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-29 21:14:53,898 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,899 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-03-29 21:14:53,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:14:53,921 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,922 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-03-29 21:14:53,925 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-29 21:14:53,925 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,926 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:53,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-29 21:14:53,938 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:128, output treesize:25 [2018-03-29 21:14:54,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-03-29 21:14:54,068 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 18 [2018-03-29 21:14:54,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-29 21:14:54,080 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:54,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 8 [2018-03-29 21:14:54,085 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-29 21:14:54,089 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:54,095 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-29 21:14:54,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-03-29 21:14:54,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-03-29 21:14:54,098 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-29 21:14:54,102 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 21:14:54,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 5 xjuncts. [2018-03-29 21:14:54,125 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:61, output treesize:63 [2018-03-29 21:14:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 21:14:54,255 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 21:14:54,255 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [21, 20] imperfect sequences [] total 39 [2018-03-29 21:14:54,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-03-29 21:14:54,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-03-29 21:14:54,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2018-03-29 21:14:54,256 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 39 states. [2018-03-29 21:14:55,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 21:14:55,489 INFO L93 Difference]: Finished difference Result 61 states and 60 transitions. [2018-03-29 21:14:55,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-03-29 21:14:55,489 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 41 [2018-03-29 21:14:55,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 21:14:55,490 INFO L225 Difference]: With dead ends: 61 [2018-03-29 21:14:55,490 INFO L226 Difference]: Without dead ends: 43 [2018-03-29 21:14:55,491 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=387, Invalid=2919, Unknown=0, NotChecked=0, Total=3306 [2018-03-29 21:14:55,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-03-29 21:14:55,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-03-29 21:14:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-03-29 21:14:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-03-29 21:14:55,493 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 41 [2018-03-29 21:14:55,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 21:14:55,493 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-03-29 21:14:55,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-03-29 21:14:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-03-29 21:14:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-03-29 21:14:55,494 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 21:14:55,494 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 21:14:55,494 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr9RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr11RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr8RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr10RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr12RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr8AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr4RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr11AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr9AssertViolationMEMORY_FREE, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr6RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr14RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr5RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr13RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr7RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr15RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_dataErr10AssertViolationMEMORY_FREE, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 21:14:55,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1682532430, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 21:14:55,501 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 21:14:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 21:14:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-03-29 21:14:55,580 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-03-29 21:14:55,596 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-03-29 21:14:55,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 09:14:55 BoogieIcfgContainer [2018-03-29 21:14:55,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 21:14:55,612 INFO L168 Benchmark]: Toolchain (without parser) took 20711.29 ms. Allocated memory was 304.6 MB in the beginning and 655.9 MB in the end (delta: 351.3 MB). Free memory was 242.0 MB in the beginning and 510.9 MB in the end (delta: -268.9 MB). Peak memory consumption was 82.4 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:55,613 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 304.6 MB. Free memory is still 266.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 21:14:55,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.00 ms. Allocated memory is still 304.6 MB. Free memory was 242.0 MB in the beginning and 217.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:55,613 INFO L168 Benchmark]: Boogie Preprocessor took 59.67 ms. Allocated memory is still 304.6 MB. Free memory was 217.0 MB in the beginning and 214.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:55,613 INFO L168 Benchmark]: RCFGBuilder took 662.37 ms. Allocated memory was 304.6 MB in the beginning and 462.4 MB in the end (delta: 157.8 MB). Free memory was 214.0 MB in the beginning and 396.7 MB in the end (delta: -182.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:55,614 INFO L168 Benchmark]: TraceAbstraction took 19554.84 ms. Allocated memory was 462.4 MB in the beginning and 655.9 MB in the end (delta: 193.5 MB). Free memory was 395.3 MB in the beginning and 510.9 MB in the end (delta: -115.6 MB). Peak memory consumption was 77.9 MB. Max. memory is 5.3 GB. [2018-03-29 21:14:55,615 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 304.6 MB. Free memory is still 266.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 428.00 ms. Allocated memory is still 304.6 MB. Free memory was 242.0 MB in the beginning and 217.0 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 59.67 ms. Allocated memory is still 304.6 MB. Free memory was 217.0 MB in the beginning and 214.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 662.37 ms. Allocated memory was 304.6 MB in the beginning and 462.4 MB in the end (delta: 157.8 MB). Free memory was 214.0 MB in the beginning and 396.7 MB in the end (delta: -182.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 19554.84 ms. Allocated memory was 462.4 MB in the beginning and 655.9 MB in the end (delta: 193.5 MB). Free memory was 395.3 MB in the beginning and 510.9 MB in the end (delta: -115.6 MB). Peak memory consumption was 77.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 641]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 641. Possible FailurePath: [L642] FCALL TData data; VAL [data={7:0}] [L643] CALL alloc_data(&data) VAL [pdata={7:0}] [L625] EXPR, FCALL malloc(sizeof(int)) VAL [malloc(sizeof(int))={6:0}, pdata={7:0}, pdata={7:0}] [L625] FCALL pdata->lo = (int *)malloc(sizeof(int)) VAL [malloc(sizeof(int))={6:0}, pdata={7:0}, pdata={7:0}] [L626] EXPR, FCALL malloc(sizeof(int)) VAL [malloc(sizeof(int))={6:0}, malloc(sizeof(int))={9:0}, pdata={7:0}, pdata={7:0}] [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) VAL [malloc(sizeof(int))={6:0}, malloc(sizeof(int))={9:0}, pdata={7:0}, pdata={7:0}] [L627] EXPR, FCALL pdata->lo VAL [malloc(sizeof(int))={6:0}, malloc(sizeof(int))={9:0}, pdata={7:0}, pdata={7:0}, pdata->lo={6:0}] [L627] FCALL *(pdata->lo) = 4 VAL [malloc(sizeof(int))={6:0}, malloc(sizeof(int))={9:0}, pdata={7:0}, pdata={7:0}, pdata->lo={6:0}] [L628] EXPR, FCALL pdata->hi VAL [malloc(sizeof(int))={6:0}, malloc(sizeof(int))={9:0}, pdata={7:0}, pdata={7:0}, pdata->hi={9:0}] [L628] RET, FCALL *(pdata->hi) = 8 VAL [malloc(sizeof(int))={6:0}, malloc(sizeof(int))={9:0}, pdata={7:0}, pdata={7:0}, pdata->hi={9:0}] [L643] alloc_data(&data) VAL [data={7:0}] [L644] CALL free_data(&data) VAL [data={7:0}] [L632] EXPR, FCALL data->lo VAL [data={7:0}, data={7:0}, data->lo={6:0}] [L632] int *lo = data->lo; VAL [data={7:0}, data={7:0}, data->lo={6:0}, lo={6:0}] [L633] EXPR, FCALL data->hi VAL [data={7:0}, data={7:0}, data->hi={9:0}, lo={6:0}] [L633] int *hi = data->hi; VAL [data={7:0}, data={7:0}, data->hi={9:0}, hi={9:0}, lo={6:0}] [L634] EXPR, FCALL \read(*lo) VAL [\read(*lo)=4, data={7:0}, data={7:0}, hi={9:0}, lo={6:0}] [L634] EXPR, FCALL \read(*hi) VAL [\read(*hi)=8, \read(*lo)=4, data={7:0}, data={7:0}, hi={9:0}, lo={6:0}] [L634] COND FALSE !(*lo >= *hi) VAL [\read(*hi)=8, \read(*lo)=4, data={7:0}, data={7:0}, hi={9:0}, lo={6:0}] [L638] FCALL data->lo = ((void *)0) VAL [data={7:0}, data={7:0}, hi={9:0}, lo={6:0}] [L639] RET, FCALL data->hi = ((void *)0) VAL [data={7:0}, data={7:0}, hi={9:0}, lo={6:0}] [L644] free_data(&data) VAL [data={7:0}] [L645] return 0; VAL [\result=0, data={7:0}] [L645] return 0; VAL [\result=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 82 locations, 29 error locations. UNSAFE Result, 19.4s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 721 SDtfs, 1246 SDslu, 3960 SDs, 0 SdLazy, 3284 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 571 SyntacticMatches, 10 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 16 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 768 ConstructedInterpolants, 46 QuantifiedInterpolants, 218822 SizeOfPredicates, 199 NumberOfNonLiveVariables, 2053 ConjunctsInSsa, 373 ConjunctsInUnsatCore, 32 InterpolantComputations, 32 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_21-14-55-621.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_21-14-55-621.csv Received shutdown request...