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 0.1.23-453dfda-m [2018-04-09 21:44:34,531 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 21:44:34,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 21:44:34,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-09 21:44:34,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-09 21:44:34,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-09 21:44:34,551 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-09 21:44:34,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-09 21:44:34,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-09 21:44:34,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-09 21:44:34,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-09 21:44:34,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-09 21:44:34,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-09 21:44:34,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-09 21:44:34,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-09 21:44:34,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-09 21:44:34,564 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-09 21:44:34,566 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-09 21:44:34,567 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-09 21:44:34,568 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-09 21:44:34,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-09 21:44:34,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-09 21:44:34,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-09 21:44:34,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-09 21:44:34,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-09 21:44:34,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-09 21:44:34,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-09 21:44:34,576 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-09 21:44:34,576 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-09 21:44:34,577 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-09 21:44:34,577 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-09 21:44:34,578 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 21:44:34,602 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 21:44:34,602 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 21:44:34,603 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 21:44:34,603 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 21:44:34,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 21:44:34,604 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 21:44:34,604 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 21:44:34,604 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 21:44:34,604 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 21:44:34,604 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 21:44:34,605 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 21:44:34,605 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 21:44:34,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 21:44:34,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 21:44:34,606 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 21:44:34,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 21:44:34,607 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 21:44:34,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 21:44:34,607 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 21:44:34,607 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 21:44:34,607 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 21:44:34,607 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 21:44:34,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 21:44:34,608 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 21:44:34,608 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 21:44:34,608 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 21:44:34,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 21:44:34,609 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 21:44:34,609 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 21:44:34,609 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 21:44:34,609 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 21:44:34,609 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 21:44:34,609 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 21:44:34,610 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 21:44:34,611 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 21:44:34,611 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 21:44:34,611 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 21:44:34,612 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 21:44:34,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 21:44:34,659 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 21:44:34,663 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 21:44:34,665 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 21:44:34,665 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 21:44:34,666 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 [2018-04-09 21:44:34,990 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG54e7aa65b [2018-04-09 21:44:35,176 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 21:44:35,177 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 21:44:35,177 INFO L168 CDTParser]: Scanning test-0019_1_false-valid-memtrack_true-termination.i [2018-04-09 21:44:35,189 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 21:44:35,189 INFO L215 ultiparseSymbolTable]: [2018-04-09 21:44:35,190 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 21:44:35,190 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 [2018-04-09 21:44:35,190 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 [2018-04-09 21:44:35,190 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_1_false-valid-memtrack_true-termination.i [2018-04-09 21:44:35,190 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 21:44:35,190 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 [2018-04-09 21:44:35,190 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,191 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,192 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,193 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,194 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,195 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,196 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 [2018-04-09 21:44:35,197 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 [2018-04-09 21:44:35,197 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 [2018-04-09 21:44:35,197 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 [2018-04-09 21:44:35,197 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 [2018-04-09 21:44:35,197 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 [2018-04-09 21:44:35,197 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 [2018-04-09 21:44:35,197 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 [2018-04-09 21:44:35,197 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,198 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 [2018-04-09 21:44:35,199 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 [2018-04-09 21:44:35,199 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 [2018-04-09 21:44:35,199 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 [2018-04-09 21:44:35,199 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 [2018-04-09 21:44:35,199 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 [2018-04-09 21:44:35,199 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 [2018-04-09 21:44:35,199 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 [2018-04-09 21:44:35,199 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 [2018-04-09 21:44:35,200 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 [2018-04-09 21:44:35,200 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 [2018-04-09 21:44:35,200 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 [2018-04-09 21:44:35,200 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 [2018-04-09 21:44:35,200 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 [2018-04-09 21:44:35,200 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 [2018-04-09 21:44:35,200 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 [2018-04-09 21:44:35,200 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 [2018-04-09 21:44:35,201 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 [2018-04-09 21:44:35,201 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 [2018-04-09 21:44:35,201 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 [2018-04-09 21:44:35,201 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 [2018-04-09 21:44:35,201 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 [2018-04-09 21:44:35,201 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 [2018-04-09 21:44:35,201 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 [2018-04-09 21:44:35,201 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 [2018-04-09 21:44:35,202 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 [2018-04-09 21:44:35,202 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 [2018-04-09 21:44:35,202 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 [2018-04-09 21:44:35,202 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 [2018-04-09 21:44:35,202 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 [2018-04-09 21:44:35,202 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 [2018-04-09 21:44:35,202 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 [2018-04-09 21:44:35,202 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 [2018-04-09 21:44:35,203 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 [2018-04-09 21:44:35,203 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 [2018-04-09 21:44:35,203 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 [2018-04-09 21:44:35,220 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG54e7aa65b [2018-04-09 21:44:35,225 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 21:44:35,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 21:44:35,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 21:44:35,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 21:44:35,233 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 21:44:35,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcaa10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35, skipping insertion in model container [2018-04-09 21:44:35,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,250 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 21:44:35,282 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 21:44:35,449 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 21:44:35,497 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 21:44:35,506 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 114 non ball SCCs. Number of states in SCCs 114. [2018-04-09 21:44:35,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35 WrapperNode [2018-04-09 21:44:35,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 21:44:35,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 21:44:35,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 21:44:35,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 21:44:35,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (1/1) ... [2018-04-09 21:44:35,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 21:44:35,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 21:44:35,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 21:44:35,608 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 21:44:35,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (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 [2018-04-09 21:44:35,736 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 21:44:35,736 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 21:44:35,736 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_data [2018-04-09 21:44:35,736 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_data [2018-04-09 21:44:35,736 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 21:44:35,736 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 21:44:35,737 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 21:44:35,738 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 21:44:35,739 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 21:44:35,739 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 21:44:35,739 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 21:44:35,739 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 21:44:35,739 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 21:44:35,739 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 21:44:35,739 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 21:44:35,739 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 21:44:35,740 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 21:44:35,740 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 21:44:35,740 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 21:44:35,740 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 21:44:35,740 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 21:44:35,740 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 21:44:35,740 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 21:44:35,741 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 21:44:35,741 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 21:44:35,741 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 21:44:35,741 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 21:44:35,741 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 21:44:35,741 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 21:44:35,741 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 21:44:35,742 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 21:44:35,742 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 21:44:35,742 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 21:44:35,742 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 21:44:35,742 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 21:44:35,742 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 21:44:35,742 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 21:44:35,742 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 21:44:35,743 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 21:44:35,743 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 21:44:35,743 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 21:44:35,743 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 21:44:35,743 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 21:44:35,743 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 21:44:35,743 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 21:44:35,744 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 21:44:35,744 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 21:44:35,744 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 21:44:35,744 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 21:44:35,744 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 21:44:35,744 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 21:44:35,744 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 21:44:35,744 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 21:44:35,745 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-09 21:44:35,745 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 21:44:35,745 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 21:44:35,745 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 21:44:35,745 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 21:44:35,745 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 21:44:35,745 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 21:44:35,746 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 21:44:35,746 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 21:44:35,746 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 21:44:35,746 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 21:44:35,746 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 21:44:35,746 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 21:44:35,746 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 21:44:35,746 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 21:44:35,747 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 21:44:35,747 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 21:44:35,747 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 21:44:35,747 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 21:44:35,747 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 21:44:35,747 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 21:44:35,747 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 21:44:35,747 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 21:44:35,748 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 21:44:35,748 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 21:44:35,748 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 21:44:35,748 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 21:44:35,748 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 21:44:35,748 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 21:44:35,748 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 21:44:35,748 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 21:44:35,749 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 21:44:35,749 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 21:44:35,749 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 21:44:35,749 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 21:44:35,749 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 21:44:35,749 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 21:44:35,749 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_data [2018-04-09 21:44:35,750 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 21:44:35,750 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-09 21:44:35,750 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-09 21:44:35,750 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 21:44:35,750 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_data [2018-04-09 21:44:35,750 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 21:44:35,750 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 21:44:35,750 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 21:44:35,751 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 21:44:35,751 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 21:44:35,751 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 21:44:36,137 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 21:44:36,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 09:44:36 BoogieIcfgContainer [2018-04-09 21:44:36,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 21:44:36,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 21:44:36,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 21:44:36,141 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 21:44:36,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 09:44:35" (1/3) ... [2018-04-09 21:44:36,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4613a9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 09:44:36, skipping insertion in model container [2018-04-09 21:44:36,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 09:44:35" (2/3) ... [2018-04-09 21:44:36,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4613a9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 09:44:36, skipping insertion in model container [2018-04-09 21:44:36,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 09:44:36" (3/3) ... [2018-04-09 21:44:36,143 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_false-valid-memtrack_true-termination.i [2018-04-09 21:44:36,150 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 21:44:36,155 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2018-04-09 21:44:36,198 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 21:44:36,199 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 21:44:36,199 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 21:44:36,199 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 21:44:36,199 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 21:44:36,199 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 21:44:36,199 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 21:44:36,199 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 21:44:36,200 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 21:44:36,200 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 21:44:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-04-09 21:44:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-09 21:44:36,217 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:36,218 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:36,218 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]=== [2018-04-09 21:44:36,222 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 [2018-04-09 21:44:36,236 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:36,285 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:36,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:36,337 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:36,341 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:36,341 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:44:36,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:36,372 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:36,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 21:44:36,374 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:36,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:36,387 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-09 21:44:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:36,408 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:36,533 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:36,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-09 21:44:36,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 21:44:36,545 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 21:44:36,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-09 21:44:36,548 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 9 states. [2018-04-09 21:44:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:36,798 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-04-09 21:44:36,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 21:44:36,800 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-04-09 21:44:36,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:36,812 INFO L225 Difference]: With dead ends: 82 [2018-04-09 21:44:36,812 INFO L226 Difference]: Without dead ends: 75 [2018-04-09 21:44:36,817 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 [2018-04-09 21:44:36,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-09 21:44:36,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-09 21:44:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-09 21:44:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-04-09 21:44:36,859 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 11 [2018-04-09 21:44:36,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:36,860 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-04-09 21:44:36,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 21:44:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-04-09 21:44:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-09 21:44:36,860 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:36,861 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:36,861 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]=== [2018-04-09 21:44:36,861 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 [2018-04-09 21:44:36,867 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:36,885 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:36,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:36,902 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:36,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:36,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:36,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:36,917 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-09 21:44:36,971 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:36,972 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:36,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 21:44:36,974 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:36,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:36,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-09 21:44:36,987 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:37,013 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-09 21:44:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:37,027 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:37,185 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:37,185 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-09 21:44:37,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-09 21:44:37,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-09 21:44:37,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-09 21:44:37,187 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 10 states. [2018-04-09 21:44:37,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:37,458 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-04-09 21:44:37,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 21:44:37,458 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-04-09 21:44:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:37,459 INFO L225 Difference]: With dead ends: 75 [2018-04-09 21:44:37,460 INFO L226 Difference]: Without dead ends: 71 [2018-04-09 21:44:37,461 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-09 21:44:37,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-09 21:44:37,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-04-09 21:44:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-09 21:44:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-04-09 21:44:37,466 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 11 [2018-04-09 21:44:37,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:37,467 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-04-09 21:44:37,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-09 21:44:37,467 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-04-09 21:44:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-09 21:44:37,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:37,467 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:37,468 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]=== [2018-04-09 21:44:37,468 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 [2018-04-09 21:44:37,474 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:37,491 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:37,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:37,496 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,498 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,498 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:44:37,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:37,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 21:44:37,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,508 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,511 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,512 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-09 21:44:37,520 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:37,521 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:37,522 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 [2018-04-09 21:44:37,523 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,529 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:23 [2018-04-09 21:44:37,540 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 [2018-04-09 21:44:37,546 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:37,547 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 [2018-04-09 21:44:37,548 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,553 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,558 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-04-09 21:44:37,570 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 [2018-04-09 21:44:37,573 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 [2018-04-09 21:44:37,574 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:37,579 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:37,583 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. [2018-04-09 21:44:37,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:15 [2018-04-09 21:44:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:37,592 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:37,645 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:37,645 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2018-04-09 21:44:37,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-09 21:44:37,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-09 21:44:37,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-09 21:44:37,646 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 10 states. [2018-04-09 21:44:37,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:37,862 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-04-09 21:44:37,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 21:44:37,862 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-04-09 21:44:37,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:37,863 INFO L225 Difference]: With dead ends: 71 [2018-04-09 21:44:37,863 INFO L226 Difference]: Without dead ends: 70 [2018-04-09 21:44:37,864 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 [2018-04-09 21:44:37,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-09 21:44:37,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-04-09 21:44:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-09 21:44:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-04-09 21:44:37,869 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 15 [2018-04-09 21:44:37,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:37,869 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-04-09 21:44:37,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-09 21:44:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-04-09 21:44:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-09 21:44:37,869 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:37,869 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:37,870 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]=== [2018-04-09 21:44:37,870 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 [2018-04-09 21:44:37,878 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:37,896 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:37,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:37,915 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:37,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-09 21:44:37,947 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:37,950 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 8 treesize of output 7 [2018-04-09 21:44:37,950 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,952 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:37,962 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 21:44:37,962 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,964 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:37,971 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:26 [2018-04-09 21:44:37,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:37,987 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 [2018-04-09 21:44:37,987 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,004 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:38,004 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:38,005 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 [2018-04-09 21:44:38,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,011 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,012 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2018-04-09 21:44:38,027 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 [2018-04-09 21:44:38,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:38,031 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 [2018-04-09 21:44:38,032 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,038 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,054 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 [2018-04-09 21:44:38,058 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:38,059 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 [2018-04-09 21:44:38,060 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,066 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,076 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:42 [2018-04-09 21:44:38,098 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 [2018-04-09 21:44:38,101 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 [2018-04-09 21:44:38,102 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:38,109 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:38,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:44:38,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 21:44:38,126 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,127 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,132 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. [2018-04-09 21:44:38,132 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:18 [2018-04-09 21:44:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:38,144 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:38,273 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:38,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2018-04-09 21:44:38,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-09 21:44:38,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-09 21:44:38,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-04-09 21:44:38,274 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 11 states. [2018-04-09 21:44:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:38,557 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-04-09 21:44:38,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 21:44:38,558 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-04-09 21:44:38,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:38,558 INFO L225 Difference]: With dead ends: 70 [2018-04-09 21:44:38,559 INFO L226 Difference]: Without dead ends: 69 [2018-04-09 21:44:38,559 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-04-09 21:44:38,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-09 21:44:38,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-04-09 21:44:38,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-09 21:44:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-04-09 21:44:38,563 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 15 [2018-04-09 21:44:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:38,564 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-04-09 21:44:38,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-09 21:44:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-04-09 21:44:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-09 21:44:38,564 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:38,564 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:38,564 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]=== [2018-04-09 21:44:38,565 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 [2018-04-09 21:44:38,570 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:38,588 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:38,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:38,605 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,612 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 21:44:38,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:38,623 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:38,623 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:38,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:38,635 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,636 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,641 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,641 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-04-09 21:44:38,652 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 [2018-04-09 21:44:38,654 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 [2018-04-09 21:44:38,655 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,656 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:44:38,665 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 15 treesize of output 3 [2018-04-09 21:44:38,665 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,667 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,670 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-04-09 21:44:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:38,676 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:38,734 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:38,734 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-09 21:44:38,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 21:44:38,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 21:44:38,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-09 21:44:38,735 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 8 states. [2018-04-09 21:44:38,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:38,820 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-04-09 21:44:38,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 21:44:38,821 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-09 21:44:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:38,822 INFO L225 Difference]: With dead ends: 69 [2018-04-09 21:44:38,822 INFO L226 Difference]: Without dead ends: 68 [2018-04-09 21:44:38,822 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 [2018-04-09 21:44:38,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-04-09 21:44:38,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-04-09 21:44:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-09 21:44:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-04-09 21:44:38,836 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 18 [2018-04-09 21:44:38,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:38,836 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-04-09 21:44:38,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 21:44:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-04-09 21:44:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-09 21:44:38,837 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:38,837 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:38,837 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]=== [2018-04-09 21:44:38,837 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 [2018-04-09 21:44:38,848 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:38,870 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:38,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:38,874 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,876 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,876 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 21:44:38,882 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:38,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:38,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,885 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,888 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,889 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-04-09 21:44:38,893 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 [2018-04-09 21:44:38,895 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 [2018-04-09 21:44:38,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,896 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,897 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:38,897 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-04-09 21:44:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:38,901 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:38,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:38,925 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:38,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 21:44:38,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 21:44:38,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 21:44:38,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 21:44:38,926 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 5 states. [2018-04-09 21:44:38,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:38,985 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-04-09 21:44:38,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 21:44:38,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-09 21:44:38,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:38,986 INFO L225 Difference]: With dead ends: 68 [2018-04-09 21:44:38,986 INFO L226 Difference]: Without dead ends: 67 [2018-04-09 21:44:38,987 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 [2018-04-09 21:44:38,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-09 21:44:38,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-04-09 21:44:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-09 21:44:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-04-09 21:44:38,993 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 18 [2018-04-09 21:44:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:38,993 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-04-09 21:44:38,994 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 21:44:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-04-09 21:44:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-09 21:44:38,994 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:38,994 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] [2018-04-09 21:44:38,994 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]=== [2018-04-09 21:44:38,995 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 [2018-04-09 21:44:39,004 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:39,027 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:39,056 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:39,073 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 [2018-04-09 21:44:39,074 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,075 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:3 [2018-04-09 21:44:39,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:39,099 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:39,099 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-09 21:44:39,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 21:44:39,100 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 21:44:39,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-09 21:44:39,100 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 7 states. [2018-04-09 21:44:39,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:39,222 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2018-04-09 21:44:39,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-09 21:44:39,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-04-09 21:44:39,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:39,223 INFO L225 Difference]: With dead ends: 76 [2018-04-09 21:44:39,223 INFO L226 Difference]: Without dead ends: 72 [2018-04-09 21:44:39,223 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 [2018-04-09 21:44:39,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-09 21:44:39,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2018-04-09 21:44:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-09 21:44:39,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2018-04-09 21:44:39,228 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 24 [2018-04-09 21:44:39,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:39,228 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2018-04-09 21:44:39,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 21:44:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-04-09 21:44:39,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-09 21:44:39,229 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:39,229 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] [2018-04-09 21:44:39,229 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]=== [2018-04-09 21:44:39,229 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 [2018-04-09 21:44:39,239 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:39,266 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:39,301 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:39,371 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-09 21:44:39,371 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:39,374 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-04-09 21:44:39,382 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:39,383 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:39,384 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 [2018-04-09 21:44:39,384 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,386 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-04-09 21:44:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:39,410 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:39,411 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-04-09 21:44:39,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-09 21:44:39,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-09 21:44:39,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-09 21:44:39,411 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 11 states. [2018-04-09 21:44:39,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:39,539 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2018-04-09 21:44:39,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 21:44:39,539 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2018-04-09 21:44:39,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:39,540 INFO L225 Difference]: With dead ends: 65 [2018-04-09 21:44:39,540 INFO L226 Difference]: Without dead ends: 63 [2018-04-09 21:44:39,541 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 [2018-04-09 21:44:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-09 21:44:39,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-04-09 21:44:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-09 21:44:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-04-09 21:44:39,545 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 24 [2018-04-09 21:44:39,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:39,545 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-04-09 21:44:39,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-09 21:44:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-04-09 21:44:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 21:44:39,546 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:39,546 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 21:44:39,546 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]=== [2018-04-09 21:44:39,547 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 [2018-04-09 21:44:39,553 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:39,576 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:39,620 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:39,682 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 [2018-04-09 21:44:39,683 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,685 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,685 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:3 [2018-04-09 21:44:39,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-09 21:44:39,698 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:39,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:39,701 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:9 [2018-04-09 21:44:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:39,729 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:39,729 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 13 [2018-04-09 21:44:39,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 21:44:39,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 21:44:39,730 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-09 21:44:39,730 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 14 states. [2018-04-09 21:44:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:39,853 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-04-09 21:44:39,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 21:44:39,853 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2018-04-09 21:44:39,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:39,854 INFO L225 Difference]: With dead ends: 63 [2018-04-09 21:44:39,854 INFO L226 Difference]: Without dead ends: 61 [2018-04-09 21:44:39,854 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 [2018-04-09 21:44:39,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-09 21:44:39,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-04-09 21:44:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-09 21:44:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-04-09 21:44:39,858 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 27 [2018-04-09 21:44:39,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:39,858 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-04-09 21:44:39,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 21:44:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-04-09 21:44:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-09 21:44:39,859 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:39,859 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] [2018-04-09 21:44:39,859 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]=== [2018-04-09 21:44:39,859 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 [2018-04-09 21:44:39,867 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:39,899 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:39,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:39,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:39,914 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:39,922 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-04-09 21:44:39,988 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 [2018-04-09 21:44:39,991 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 [2018-04-09 21:44:39,991 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,001 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,010 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 [2018-04-09 21:44:40,013 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 [2018-04-09 21:44:40,014 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,018 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,022 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,022 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:11 [2018-04-09 21:44:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:40,048 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:40,271 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 21:44:40,271 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,273 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. [2018-04-09 21:44:40,273 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:99, output treesize:1 [2018-04-09 21:44:40,284 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 [2018-04-09 21:44:40,285 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:40,303 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 [2018-04-09 21:44:40,303 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:44:40,314 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:39 [2018-04-09 21:44:40,344 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 [2018-04-09 21:44:40,346 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 [2018-04-09 21:44:40,346 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,362 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 [2018-04-09 21:44:40,363 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:40,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:40,383 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:56, output treesize:23 [2018-04-09 21:44:40,406 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 [2018-04-09 21:44:40,411 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 [2018-04-09 21:44:40,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,412 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,417 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 [2018-04-09 21:44:40,421 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 [2018-04-09 21:44:40,421 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,422 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,427 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:40,427 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:7 [2018-04-09 21:44:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:40,452 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:40,452 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 15 [2018-04-09 21:44:40,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-09 21:44:40,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-09 21:44:40,453 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2018-04-09 21:44:40,453 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 16 states. [2018-04-09 21:44:40,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:40,751 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-09 21:44:40,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-09 21:44:40,752 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-04-09 21:44:40,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:40,753 INFO L225 Difference]: With dead ends: 61 [2018-04-09 21:44:40,753 INFO L226 Difference]: Without dead ends: 60 [2018-04-09 21:44:40,754 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 [2018-04-09 21:44:40,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-09 21:44:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-09 21:44:40,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-09 21:44:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-04-09 21:44:40,758 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 30 [2018-04-09 21:44:40,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:40,759 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-04-09 21:44:40,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-09 21:44:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-04-09 21:44:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-09 21:44:40,760 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:40,760 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] [2018-04-09 21:44:40,760 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]=== [2018-04-09 21:44:40,760 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 [2018-04-09 21:44:40,768 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:40,796 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:40,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-09 21:44:40,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-09 21:44:40,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,863 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,864 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,865 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-04-09 21:44:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:40,886 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:40,963 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 [2018-04-09 21:44:40,964 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,966 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,966 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-09 21:44:40,972 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 [2018-04-09 21:44:40,975 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 [2018-04-09 21:44:40,975 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,982 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 [2018-04-09 21:44:40,982 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:40,985 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:40,987 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:40,988 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-09 21:44:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:41,018 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:41,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 13 [2018-04-09 21:44:41,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 21:44:41,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 21:44:41,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-09 21:44:41,019 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 14 states. [2018-04-09 21:44:41,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:41,300 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-04-09 21:44:41,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-09 21:44:41,301 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2018-04-09 21:44:41,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:41,304 INFO L225 Difference]: With dead ends: 63 [2018-04-09 21:44:41,304 INFO L226 Difference]: Without dead ends: 61 [2018-04-09 21:44:41,304 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2018-04-09 21:44:41,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-09 21:44:41,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2018-04-09 21:44:41,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-09 21:44:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-04-09 21:44:41,309 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 30 [2018-04-09 21:44:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:41,310 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-04-09 21:44:41,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 21:44:41,310 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-04-09 21:44:41,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-09 21:44:41,311 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:41,311 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] [2018-04-09 21:44:41,311 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]=== [2018-04-09 21:44:41,311 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 [2018-04-09 21:44:41,321 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:41,349 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:41,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:41,405 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,423 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-04-09 21:44:41,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:41,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:41,489 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,504 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,546 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. [2018-04-09 21:44:41,546 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-04-09 21:44:41,700 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 [2018-04-09 21:44:41,702 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:41,702 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 [2018-04-09 21:44:41,703 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,712 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:5 [2018-04-09 21:44:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:41,732 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:41,848 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 [2018-04-09 21:44:41,849 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,867 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 14 treesize of output 12 [2018-04-09 21:44:41,876 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 [2018-04-09 21:44:41,876 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,877 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:41,882 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. [2018-04-09 21:44:41,882 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:27, output treesize:7 [2018-04-09 21:44:41,930 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 [2018-04-09 21:44:41,932 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 [2018-04-09 21:44:41,933 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:41,934 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:41,946 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. [2018-04-09 21:44:41,946 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:68 [2018-04-09 21:44:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:42,080 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:42,080 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2018-04-09 21:44:42,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-09 21:44:42,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-09 21:44:42,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-04-09 21:44:42,081 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 19 states. [2018-04-09 21:44:42,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:42,409 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-09 21:44:42,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-09 21:44:42,409 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 31 [2018-04-09 21:44:42,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:42,410 INFO L225 Difference]: With dead ends: 61 [2018-04-09 21:44:42,410 INFO L226 Difference]: Without dead ends: 60 [2018-04-09 21:44:42,410 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2018-04-09 21:44:42,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-09 21:44:42,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-04-09 21:44:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-09 21:44:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-04-09 21:44:42,413 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 31 [2018-04-09 21:44:42,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:42,414 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-04-09 21:44:42,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-09 21:44:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-04-09 21:44:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-09 21:44:42,414 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:42,414 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] [2018-04-09 21:44:42,415 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]=== [2018-04-09 21:44:42,415 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 [2018-04-09 21:44:42,422 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:42,445 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:42,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:42,452 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,459 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-04-09 21:44:42,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:42,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:42,473 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,475 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:42,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:42,483 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,484 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,488 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-04-09 21:44:42,525 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 [2018-04-09 21:44:42,526 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 [2018-04-09 21:44:42,526 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,528 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,533 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-09 21:44:42,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-09 21:44:42,534 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,535 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,538 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,538 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-04-09 21:44:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:42,557 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:42,723 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 [2018-04-09 21:44:42,724 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 [2018-04-09 21:44:42,725 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:42,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:42,730 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 [2018-04-09 21:44:42,731 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 [2018-04-09 21:44:42,732 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:42,735 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:42,738 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 [2018-04-09 21:44:42,739 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 [2018-04-09 21:44:42,740 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:42,743 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:42,771 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 [2018-04-09 21:44:42,773 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 [2018-04-09 21:44:42,773 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,774 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,775 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 [2018-04-09 21:44:42,776 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 [2018-04-09 21:44:42,776 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,777 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,779 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 [2018-04-09 21:44:42,780 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-09 21:44:42,780 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,781 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:42,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 21:44:42,798 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:59, output treesize:17 [2018-04-09 21:44:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:42,841 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:42,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2018-04-09 21:44:42,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-09 21:44:42,842 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-09 21:44:42,842 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-04-09 21:44:42,842 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 17 states. [2018-04-09 21:44:43,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:43,060 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-04-09 21:44:43,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-09 21:44:43,060 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-04-09 21:44:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:43,061 INFO L225 Difference]: With dead ends: 57 [2018-04-09 21:44:43,061 INFO L226 Difference]: Without dead ends: 55 [2018-04-09 21:44:43,061 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 [2018-04-09 21:44:43,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-09 21:44:43,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-09 21:44:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-09 21:44:43,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-04-09 21:44:43,064 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 31 [2018-04-09 21:44:43,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:43,065 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-04-09 21:44:43,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-09 21:44:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-04-09 21:44:43,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-09 21:44:43,066 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:43,066 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] [2018-04-09 21:44:43,066 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]=== [2018-04-09 21:44:43,066 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 [2018-04-09 21:44:43,077 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:43,101 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:43,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:43,133 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 21:44:43,134 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,135 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,139 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-09 21:44:43,155 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 [2018-04-09 21:44:43,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:43,159 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 [2018-04-09 21:44:43,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,165 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,171 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,171 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:7 [2018-04-09 21:44:43,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-09 21:44:43,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 21:44:43,204 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,205 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,206 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-09 21:44:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:43,225 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:43,307 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 21:44:43,307 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,308 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-04-09 21:44:43,338 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 20 treesize of output 18 [2018-04-09 21:44:43,339 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 [2018-04-09 21:44:43,351 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 [2018-04-09 21:44:43,352 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:43,353 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 [2018-04-09 21:44:43,354 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,361 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-09 21:44:43,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:44:43,381 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 [2018-04-09 21:44:43,383 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 [2018-04-09 21:44:43,384 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,393 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 [2018-04-09 21:44:43,408 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 [2018-04-09 21:44:43,408 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:43,410 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 [2018-04-09 21:44:43,410 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,419 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-09 21:44:43,447 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 [2018-04-09 21:44:43,480 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 [2018-04-09 21:44:43,481 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,496 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 [2018-04-09 21:44:43,497 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:43,501 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 [2018-04-09 21:44:43,502 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:43,513 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:44:43,526 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:44:43,527 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 [2018-04-09 21:44:43,528 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 [2018-04-09 21:44:43,528 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,529 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,543 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 21:44:43,543 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 2 variables, input treesize:20, output treesize:24 [2018-04-09 21:44:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:43,571 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:43,571 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 15 [2018-04-09 21:44:43,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-09 21:44:43,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-09 21:44:43,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-04-09 21:44:43,571 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 16 states. [2018-04-09 21:44:43,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:43,710 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-04-09 21:44:43,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-09 21:44:43,710 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 35 [2018-04-09 21:44:43,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:43,711 INFO L225 Difference]: With dead ends: 55 [2018-04-09 21:44:43,711 INFO L226 Difference]: Without dead ends: 54 [2018-04-09 21:44:43,711 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 [2018-04-09 21:44:43,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-09 21:44:43,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-09 21:44:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-09 21:44:43,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-04-09 21:44:43,714 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 35 [2018-04-09 21:44:43,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:43,714 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-04-09 21:44:43,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-09 21:44:43,714 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-04-09 21:44:43,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-09 21:44:43,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:43,715 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] [2018-04-09 21:44:43,715 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]=== [2018-04-09 21:44:43,715 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 [2018-04-09 21:44:43,722 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:43,748 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:43,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:43,759 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,771 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 21:44:43,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:43,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 21:44:43,786 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,788 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,794 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,794 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-09 21:44:43,817 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:43,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:43,818 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 [2018-04-09 21:44:43,819 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,823 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-09 21:44:43,836 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 [2018-04-09 21:44:43,838 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:43,840 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 [2018-04-09 21:44:43,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,850 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-04-09 21:44:43,918 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 [2018-04-09 21:44:43,920 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 [2018-04-09 21:44:43,920 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,921 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,922 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-04-09 21:44:43,966 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:43,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-09 21:44:43,966 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:43,971 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 21:44:43,971 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-09 21:44:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:43,991 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:44,016 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 [2018-04-09 21:44:44,016 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-09 21:44:44,160 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,161 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-04-09 21:44:44,236 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 [2018-04-09 21:44:44,237 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 [2018-04-09 21:44:44,269 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 [2018-04-09 21:44:44,270 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,274 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:44,275 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 [2018-04-09 21:44:44,276 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,278 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:44,283 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 [2018-04-09 21:44:44,284 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:44,299 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:44,303 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:44,305 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 [2018-04-09 21:44:44,307 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:44,307 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 [2018-04-09 21:44:44,307 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,310 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,318 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. [2018-04-09 21:44:44,318 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2018-04-09 21:44:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:44,399 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:44,399 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [17, 15] imperfect sequences [] total 28 [2018-04-09 21:44:44,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-09 21:44:44,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-09 21:44:44,400 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2018-04-09 21:44:44,400 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 29 states. [2018-04-09 21:44:44,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:44,832 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-04-09 21:44:44,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-09 21:44:44,872 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 39 [2018-04-09 21:44:44,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:44,873 INFO L225 Difference]: With dead ends: 57 [2018-04-09 21:44:44,873 INFO L226 Difference]: Without dead ends: 56 [2018-04-09 21:44:44,873 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 [2018-04-09 21:44:44,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-09 21:44:44,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-04-09 21:44:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-09 21:44:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-04-09 21:44:44,876 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 39 [2018-04-09 21:44:44,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:44,876 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-04-09 21:44:44,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-09 21:44:44,876 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-04-09 21:44:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-09 21:44:44,877 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:44,877 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] [2018-04-09 21:44:44,877 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]=== [2018-04-09 21:44:44,877 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 [2018-04-09 21:44:44,884 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 21:44:44,906 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 21:44:44,922 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 21:44:44,922 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,926 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,926 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 21:44:44,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 21:44:44,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 21:44:44,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,946 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-09 21:44:44,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:44,957 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:44,958 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 [2018-04-09 21:44:44,958 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,962 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-09 21:44:44,975 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-09 21:44:44,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 21:44:44,979 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,981 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:44,996 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 [2018-04-09 21:44:44,999 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 21:44:45,000 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 [2018-04-09 21:44:45,000 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,004 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,013 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:24 [2018-04-09 21:44:45,044 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 [2018-04-09 21:44:45,046 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 [2018-04-09 21:44:45,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,048 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,056 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-04-09 21:44:45,099 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 [2018-04-09 21:44:45,101 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 [2018-04-09 21:44:45,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,106 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,112 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:62, output treesize:52 [2018-04-09 21:44:45,247 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 [2018-04-09 21:44:45,250 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 [2018-04-09 21:44:45,250 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,255 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,263 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 [2018-04-09 21:44:45,266 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 [2018-04-09 21:44:45,267 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,270 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,275 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,275 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:19 [2018-04-09 21:44:45,338 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 [2018-04-09 21:44:45,340 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 21:44:45,340 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-09 21:44:45,345 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,347 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,350 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,350 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:33, output treesize:7 [2018-04-09 21:44:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:45,371 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 21:44:45,740 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,741 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 8 variables, input treesize:131, output treesize:1 [2018-04-09 21:44:45,860 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 [2018-04-09 21:44:45,892 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 [2018-04-09 21:44:45,892 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:45,941 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 [2018-04-09 21:44:45,993 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 [2018-04-09 21:44:45,994 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:46,474 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 [2018-04-09 21:44:46,475 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:46,477 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 [2018-04-09 21:44:46,477 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:46,605 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 [2018-04-09 21:44:46,606 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:46,675 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 [2018-04-09 21:44:46,677 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:46,814 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 [2018-04-09 21:44:46,816 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:46,837 INFO L267 ElimStorePlain]: Start of recursive call 4: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:46,855 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 [2018-04-09 21:44:46,879 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 [2018-04-09 21:44:46,881 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:46,980 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 61 treesize of output 53 [2018-04-09 21:44:46,981 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:47,015 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 44 treesize of output 38 [2018-04-09 21:44:47,016 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:47,163 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 [2018-04-09 21:44:47,165 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:47,184 INFO L267 ElimStorePlain]: Start of recursive call 11: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:47,199 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 [2018-04-09 21:44:47,205 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 70 treesize of output 64 [2018-04-09 21:44:47,205 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:47,287 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 53 treesize of output 53 [2018-04-09 21:44:47,288 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:47,479 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 [2018-04-09 21:44:47,481 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:47,507 INFO L267 ElimStorePlain]: Start of recursive call 16: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:47,522 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 [2018-04-09 21:44:47,527 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:47,527 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:47,527 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 81 treesize of output 79 [2018-04-09 21:44:47,528 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:47,617 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 73 treesize of output 65 [2018-04-09 21:44:47,618 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:47,703 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:47,705 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:47,714 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 [2018-04-09 21:44:47,715 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:47,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2018-04-09 21:44:47,856 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:47,901 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 79 treesize of output 79 [2018-04-09 21:44:47,902 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:47,979 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 82 treesize of output 74 [2018-04-09 21:44:47,979 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,017 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 62 treesize of output 56 [2018-04-09 21:44:48,017 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,047 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 66 treesize of output 60 [2018-04-09 21:44:48,047 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,091 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 60 treesize of output 64 [2018-04-09 21:44:48,092 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:48,106 INFO L267 ElimStorePlain]: Start of recursive call 20: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:48,122 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 [2018-04-09 21:44:48,127 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 85 treesize of output 73 [2018-04-09 21:44:48,127 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,231 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:48,233 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:48,241 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 [2018-04-09 21:44:48,243 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:48,328 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:48,330 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:48,339 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 [2018-04-09 21:44:48,341 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:48,404 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 [2018-04-09 21:44:48,404 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,473 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 72 treesize of output 66 [2018-04-09 21:44:48,473 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,499 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 66 treesize of output 64 [2018-04-09 21:44:48,499 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:48,563 INFO L267 ElimStorePlain]: Start of recursive call 30: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:48,569 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 [2018-04-09 21:44:48,572 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 [2018-04-09 21:44:48,572 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,590 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 [2018-04-09 21:44:48,590 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,609 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:48,609 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:48,610 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 [2018-04-09 21:44:48,610 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,624 INFO L267 ElimStorePlain]: Start of recursive call 37: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:48,640 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 [2018-04-09 21:44:48,644 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 75 treesize of output 63 [2018-04-09 21:44:48,644 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,720 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 [2018-04-09 21:44:48,720 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,792 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 49 treesize of output 43 [2018-04-09 21:44:48,792 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:48,862 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:48,863 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:48,872 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 55 treesize of output 71 [2018-04-09 21:44:48,873 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:48,951 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 [2018-04-09 21:44:48,952 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,066 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:49,068 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:49,076 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 59 treesize of output 75 [2018-04-09 21:44:49,077 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:49,126 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 [2018-04-09 21:44:49,127 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:49,203 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 43 treesize of output 37 [2018-04-09 21:44:49,204 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:49,245 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 47 treesize of output 45 [2018-04-09 21:44:49,246 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,267 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:49,269 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:49,279 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 [2018-04-09 21:44:49,280 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:49,299 INFO L267 ElimStorePlain]: Start of recursive call 41: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,314 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 [2018-04-09 21:44:49,332 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 61 treesize of output 85 [2018-04-09 21:44:49,334 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:49,400 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 59 treesize of output 59 [2018-04-09 21:44:49,400 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,456 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 65 treesize of output 89 [2018-04-09 21:44:49,457 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:49,504 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 [2018-04-09 21:44:49,506 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:49,545 INFO L267 ElimStorePlain]: Start of recursive call 52: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:49,560 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 [2018-04-09 21:44:49,565 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 64 treesize of output 52 [2018-04-09 21:44:49,565 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:49,634 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:49,636 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:49,644 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 [2018-04-09 21:44:49,646 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:49,686 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 43 treesize of output 37 [2018-04-09 21:44:49,686 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:49,713 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 [2018-04-09 21:44:49,713 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:49,804 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 37 treesize of output 41 [2018-04-09 21:44:49,805 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,832 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 25 treesize of output 25 [2018-04-09 21:44:49,832 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,844 INFO L267 ElimStorePlain]: Start of recursive call 57: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,850 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 [2018-04-09 21:44:49,857 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 [2018-04-09 21:44:49,857 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,870 INFO L267 ElimStorePlain]: Start of recursive call 64: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:49,888 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 [2018-04-09 21:44:49,896 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 [2018-04-09 21:44:49,897 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:49,999 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 [2018-04-09 21:44:50,000 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:50,071 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 [2018-04-09 21:44:50,072 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,108 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 [2018-04-09 21:44:50,110 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:50,151 INFO L267 ElimStorePlain]: Start of recursive call 66: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,157 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 [2018-04-09 21:44:50,159 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 [2018-04-09 21:44:50,160 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,174 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 [2018-04-09 21:44:50,175 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,188 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:50,188 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:50,189 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 [2018-04-09 21:44:50,189 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,200 INFO L267 ElimStorePlain]: Start of recursive call 71: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:50,216 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 [2018-04-09 21:44:50,220 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 [2018-04-09 21:44:50,221 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,308 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 [2018-04-09 21:44:50,309 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:50,394 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 [2018-04-09 21:44:50,394 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,463 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 61 [2018-04-09 21:44:50,464 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,531 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:50,531 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:50,532 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 [2018-04-09 21:44:50,532 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,602 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 [2018-04-09 21:44:50,602 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:50,666 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 [2018-04-09 21:44:50,666 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,711 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:50,713 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:50,722 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 69 [2018-04-09 21:44:50,723 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:50,761 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 [2018-04-09 21:44:50,762 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,781 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:50,783 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:50,791 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 [2018-04-09 21:44:50,792 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 3 xjuncts. [2018-04-09 21:44:50,825 INFO L267 ElimStorePlain]: Start of recursive call 75: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:50,827 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 [2018-04-09 21:44:50,828 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 [2018-04-09 21:44:50,828 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,833 INFO L267 ElimStorePlain]: Start of recursive call 86: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,849 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 [2018-04-09 21:44:50,852 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 [2018-04-09 21:44:50,853 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:50,931 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 [2018-04-09 21:44:50,932 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,012 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 74 treesize of output 74 [2018-04-09 21:44:51,013 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:51,103 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 62 treesize of output 66 [2018-04-09 21:44:51,104 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:51,189 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 [2018-04-09 21:44:51,190 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:51,260 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 65 treesize of output 89 [2018-04-09 21:44:51,261 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:51,345 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 [2018-04-09 21:44:51,346 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 8 xjuncts. [2018-04-09 21:44:51,373 INFO L267 ElimStorePlain]: Start of recursive call 88: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,379 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 [2018-04-09 21:44:51,382 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 68 treesize of output 62 [2018-04-09 21:44:51,383 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,401 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 [2018-04-09 21:44:51,402 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,418 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:51,419 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 21:44:51,419 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 [2018-04-09 21:44:51,420 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,434 INFO L267 ElimStorePlain]: Start of recursive call 96: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:51,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-09 21:44:51,482 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-09 21:44:51,482 INFO L202 ElimStorePlain]: Needed 99 recursive calls to eliminate 1 variables, input treesize:115, output treesize:74 [2018-04-09 21:44:51,622 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 [2018-04-09 21:44:51,624 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 [2018-04-09 21:44:51,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,625 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,644 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 [2018-04-09 21:44:51,645 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 [2018-04-09 21:44:51,645 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,646 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,647 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 [2018-04-09 21:44:51,648 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 [2018-04-09 21:44:51,648 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,649 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,659 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 21:44:51,659 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:128, output treesize:25 [2018-04-09 21:44:51,768 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 [2018-04-09 21:44:51,772 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 [2018-04-09 21:44:51,783 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 [2018-04-09 21:44:51,783 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,787 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 [2018-04-09 21:44:51,788 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-09 21:44:51,791 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:51,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 21:44:51,797 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 [2018-04-09 21:44:51,798 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 [2018-04-09 21:44:51,798 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,802 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 21:44:51,821 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. [2018-04-09 21:44:51,822 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:61, output treesize:63 [2018-04-09 21:44:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 21:44:51,941 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 21:44:51,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [21, 20] imperfect sequences [] total 39 [2018-04-09 21:44:51,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-09 21:44:51,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-09 21:44:51,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2018-04-09 21:44:51,942 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 39 states. [2018-04-09 21:44:53,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 21:44:53,109 INFO L93 Difference]: Finished difference Result 61 states and 60 transitions. [2018-04-09 21:44:53,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-09 21:44:53,109 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 41 [2018-04-09 21:44:53,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 21:44:53,109 INFO L225 Difference]: With dead ends: 61 [2018-04-09 21:44:53,110 INFO L226 Difference]: Without dead ends: 43 [2018-04-09 21:44:53,110 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=387, Invalid=2919, Unknown=0, NotChecked=0, Total=3306 [2018-04-09 21:44:53,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-09 21:44:53,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-09 21:44:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-09 21:44:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-04-09 21:44:53,113 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 41 [2018-04-09 21:44:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 21:44:53,113 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-04-09 21:44:53,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-09 21:44:53,113 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-04-09 21:44:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-09 21:44:53,114 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 21:44:53,114 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] [2018-04-09 21:44:53,114 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]=== [2018-04-09 21:44:53,114 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 [2018-04-09 21:44:53,120 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 21:44:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-09 21:44:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-09 21:44:53,198 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-09 21:44:53,215 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-09 21:44:53,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 09:44:53 BoogieIcfgContainer [2018-04-09 21:44:53,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 21:44:53,233 INFO L168 Benchmark]: Toolchain (without parser) took 18007.76 ms. Allocated memory was 304.6 MB in the beginning and 655.4 MB in the end (delta: 350.7 MB). Free memory was 242.2 MB in the beginning and 504.3 MB in the end (delta: -262.2 MB). Peak memory consumption was 88.6 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:53,234 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 304.6 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 21:44:53,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.04 ms. Allocated memory is still 304.6 MB. Free memory was 242.2 MB in the beginning and 216.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:53,235 INFO L168 Benchmark]: Boogie Preprocessor took 49.42 ms. Allocated memory is still 304.6 MB. Free memory was 216.2 MB in the beginning and 214.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:53,235 INFO L168 Benchmark]: RCFGBuilder took 530.56 ms. Allocated memory was 304.6 MB in the beginning and 465.6 MB in the end (delta: 161.0 MB). Free memory was 214.2 MB in the beginning and 399.9 MB in the end (delta: -185.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:53,235 INFO L168 Benchmark]: TraceAbstraction took 17094.23 ms. Allocated memory was 465.6 MB in the beginning and 655.4 MB in the end (delta: 189.8 MB). Free memory was 399.9 MB in the beginning and 504.3 MB in the end (delta: -104.5 MB). Peak memory consumption was 85.3 MB. Max. memory is 5.3 GB. [2018-04-09 21:44:53,236 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 304.6 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 329.04 ms. Allocated memory is still 304.6 MB. Free memory was 242.2 MB in the beginning and 216.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 49.42 ms. Allocated memory is still 304.6 MB. Free memory was 216.2 MB in the beginning and 214.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 530.56 ms. Allocated memory was 304.6 MB in the beginning and 465.6 MB in the end (delta: 161.0 MB). Free memory was 214.2 MB in the beginning and 399.9 MB in the end (delta: -185.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 17094.23 ms. Allocated memory was 465.6 MB in the beginning and 655.4 MB in the end (delta: 189.8 MB). Free memory was 399.9 MB in the beginning and 504.3 MB in the end (delta: -104.5 MB). Peak memory consumption was 85.3 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))={9:0}, malloc(sizeof(int))={6:0}, pdata={7:0}, pdata={7:0}] [L626] FCALL pdata->hi = (int *)malloc(sizeof(int)) VAL [malloc(sizeof(int))={9:0}, malloc(sizeof(int))={6:0}, pdata={7:0}, pdata={7:0}] [L627] EXPR, FCALL pdata->lo VAL [malloc(sizeof(int))={9:0}, malloc(sizeof(int))={6:0}, pdata={7:0}, pdata={7:0}, pdata->lo={6:0}] [L627] FCALL *(pdata->lo) = 4 VAL [malloc(sizeof(int))={9:0}, malloc(sizeof(int))={6:0}, pdata={7:0}, pdata={7:0}, pdata->lo={6:0}] [L628] EXPR, FCALL pdata->hi VAL [malloc(sizeof(int))={9:0}, malloc(sizeof(int))={6:0}, pdata={7:0}, pdata={7:0}, pdata->hi={9:0}] [L628] RET, FCALL *(pdata->hi) = 8 VAL [malloc(sizeof(int))={9:0}, malloc(sizeof(int))={6:0}, 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, 17.0s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 721 SDtfs, 1246 SDslu, 3960 SDs, 0 SdLazy, 3284 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 571 SyntacticMatches, 10 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 4.9s 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: 0.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 16 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.3s 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-0-2018-04-09_21-44-53-242.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-0-2018-04-09_21-44-53-242.csv Received shutdown request...