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 0.1.23-835382a-m [2018-04-05 17:32:10,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 17:32:10,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 17:32:10,087 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 17:32:10,088 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 17:32:10,088 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 17:32:10,089 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 17:32:10,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 17:32:10,093 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 17:32:10,094 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 17:32:10,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 17:32:10,095 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 17:32:10,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 17:32:10,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 17:32:10,099 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 17:32:10,101 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 17:32:10,103 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 17:32:10,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 17:32:10,106 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 17:32:10,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 17:32:10,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-05 17:32:10,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-05 17:32:10,111 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-05 17:32:10,112 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-05 17:32:10,113 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-05 17:32:10,114 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-05 17:32:10,115 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-05 17:32:10,115 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-05 17:32:10,116 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-05 17:32:10,116 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 17:32:10,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 17:32:10,117 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 [2018-04-05 17:32:10,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 17:32:10,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 17:32:10,143 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 17:32:10,143 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 17:32:10,143 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 17:32:10,143 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 17:32:10,143 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 17:32:10,143 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 17:32:10,144 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 17:32:10,144 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 17:32:10,144 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 17:32:10,144 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 17:32:10,144 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 17:32:10,144 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 17:32:10,145 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 17:32:10,145 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 17:32:10,145 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 17:32:10,145 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 17:32:10,145 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 17:32:10,145 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 17:32:10,145 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 17:32:10,146 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 17:32:10,146 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 17:32:10,146 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 17:32:10,146 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 17:32:10,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 17:32:10,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 17:32:10,147 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 17:32:10,147 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 17:32:10,147 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 17:32:10,147 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 17:32:10,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 17:32:10,148 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 17:32:10,148 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 17:32:10,149 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 17:32:10,149 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 17:32:10,149 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 17:32:10,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 17:32:10,193 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 17:32:10,196 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 17:32:10,198 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 17:32:10,198 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 17:32:10,199 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 [2018-04-05 17:32:10,547 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG84a1cb670 [2018-04-05 17:32:11,371 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 17:32:11,371 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 17:32:11,372 INFO L168 CDTParser]: Scanning test-0019_1_false-valid-memtrack_true-termination.i [2018-04-05 17:32:11,382 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 17:32:11,383 INFO L215 ultiparseSymbolTable]: [2018-04-05 17:32:11,383 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 17:32:11,383 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 [2018-04-05 17:32:11,383 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 [2018-04-05 17:32:11,383 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_1_false-valid-memtrack_true-termination.i [2018-04-05 17:32:11,384 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 17:32:11,384 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 [2018-04-05 17:32:11,384 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 [2018-04-05 17:32:11,384 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 [2018-04-05 17:32:11,384 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 [2018-04-05 17:32:11,384 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 [2018-04-05 17:32:11,384 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 [2018-04-05 17:32:11,385 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 [2018-04-05 17:32:11,385 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 [2018-04-05 17:32:11,385 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 [2018-04-05 17:32:11,385 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 [2018-04-05 17:32:11,385 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 [2018-04-05 17:32:11,385 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 [2018-04-05 17:32:11,385 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 [2018-04-05 17:32:11,386 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 [2018-04-05 17:32:11,386 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 [2018-04-05 17:32:11,386 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 [2018-04-05 17:32:11,386 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 [2018-04-05 17:32:11,386 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 [2018-04-05 17:32:11,386 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 [2018-04-05 17:32:11,386 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 [2018-04-05 17:32:11,386 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,387 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,388 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,389 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 [2018-04-05 17:32:11,390 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 [2018-04-05 17:32:11,390 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 [2018-04-05 17:32:11,390 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 [2018-04-05 17:32:11,390 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 [2018-04-05 17:32:11,390 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 [2018-04-05 17:32:11,390 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 [2018-04-05 17:32:11,390 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 [2018-04-05 17:32:11,390 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,391 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 [2018-04-05 17:32:11,392 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 [2018-04-05 17:32:11,392 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 [2018-04-05 17:32:11,392 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 [2018-04-05 17:32:11,392 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 [2018-04-05 17:32:11,392 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 [2018-04-05 17:32:11,392 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 [2018-04-05 17:32:11,392 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 [2018-04-05 17:32:11,392 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,393 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,394 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 [2018-04-05 17:32:11,395 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 [2018-04-05 17:32:11,395 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 [2018-04-05 17:32:11,395 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 [2018-04-05 17:32:11,395 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 [2018-04-05 17:32:11,395 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 [2018-04-05 17:32:11,395 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 [2018-04-05 17:32:11,395 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 [2018-04-05 17:32:11,396 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 [2018-04-05 17:32:11,396 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 [2018-04-05 17:32:11,396 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 [2018-04-05 17:32:11,396 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 [2018-04-05 17:32:11,396 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 [2018-04-05 17:32:11,396 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 [2018-04-05 17:32:11,396 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 [2018-04-05 17:32:11,396 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 [2018-04-05 17:32:11,397 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 [2018-04-05 17:32:11,397 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 [2018-04-05 17:32:11,397 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 [2018-04-05 17:32:11,397 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 [2018-04-05 17:32:11,397 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 [2018-04-05 17:32:11,397 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 [2018-04-05 17:32:11,428 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG84a1cb670 [2018-04-05 17:32:11,433 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 17:32:11,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 17:32:11,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 17:32:11,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 17:32:11,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 17:32:11,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d37d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11, skipping insertion in model container [2018-04-05 17:32:11,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,459 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 17:32:11,490 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 17:32:11,654 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 17:32:11,700 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 17:32:11,709 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 114 non ball SCCs. Number of states in SCCs 114. [2018-04-05 17:32:11,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11 WrapperNode [2018-04-05 17:32:11,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 17:32:11,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 17:32:11,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 17:32:11,768 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 17:32:11,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (1/1) ... [2018-04-05 17:32:11,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 17:32:11,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 17:32:11,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 17:32:11,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 17:32:11,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (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 [2018-04-05 17:32:11,955 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 17:32:11,956 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 17:32:11,956 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_data [2018-04-05 17:32:11,956 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_data [2018-04-05 17:32:11,956 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 17:32:11,956 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-05 17:32:11,956 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 17:32:11,957 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 17:32:11,957 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 17:32:11,957 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 17:32:11,957 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 17:32:11,957 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 17:32:11,957 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 17:32:11,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 17:32:11,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 17:32:11,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 17:32:11,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 17:32:11,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 17:32:11,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 17:32:11,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 17:32:11,959 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 17:32:11,959 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 17:32:11,959 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 17:32:11,959 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 17:32:11,959 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 17:32:11,960 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 17:32:11,960 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 17:32:11,960 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 17:32:11,960 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 17:32:11,960 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 17:32:11,960 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 17:32:11,960 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 17:32:11,960 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 17:32:11,961 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 17:32:11,961 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 17:32:11,961 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 17:32:11,961 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 17:32:11,961 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 17:32:11,961 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 17:32:11,961 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 17:32:11,961 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 17:32:11,962 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 17:32:11,962 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 17:32:11,962 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 17:32:11,962 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 17:32:11,962 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 17:32:11,962 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 17:32:11,962 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 17:32:11,963 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 17:32:11,963 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 17:32:11,963 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 17:32:11,963 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 17:32:11,963 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 17:32:11,963 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 17:32:11,963 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 17:32:11,963 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 17:32:11,964 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 17:32:11,964 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 17:32:11,964 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 17:32:11,964 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 17:32:11,964 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 17:32:11,964 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 17:32:11,964 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 17:32:11,964 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 17:32:11,965 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 17:32:11,965 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 17:32:11,965 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 17:32:11,965 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 17:32:11,965 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 17:32:11,965 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 17:32:11,965 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-05 17:32:11,965 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 17:32:11,966 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 17:32:11,966 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 17:32:11,966 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 17:32:11,966 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 17:32:11,966 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 17:32:11,966 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 17:32:11,966 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 17:32:11,966 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 17:32:11,967 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 17:32:11,967 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 17:32:11,967 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 17:32:11,967 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 17:32:11,967 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 17:32:11,967 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 17:32:11,967 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 17:32:11,967 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 17:32:11,968 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 17:32:11,968 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 17:32:11,968 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 17:32:11,968 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 17:32:11,968 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 17:32:11,968 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 17:32:11,968 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 17:32:11,969 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 17:32:11,970 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 17:32:11,970 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 17:32:11,970 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 17:32:11,970 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__alloc_data [2018-04-05 17:32:11,970 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 17:32:11,970 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-05 17:32:11,970 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-05 17:32:11,970 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 17:32:11,971 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest________false_valid_memtrack_true_termination_i__free_data [2018-04-05 17:32:11,971 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 17:32:11,971 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 17:32:11,971 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 17:32:11,971 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 17:32:11,971 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 17:32:11,971 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 17:32:12,365 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 17:32:12,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:32:12 BoogieIcfgContainer [2018-04-05 17:32:12,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 17:32:12,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 17:32:12,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 17:32:12,369 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 17:32:12,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:32:11" (1/3) ... [2018-04-05 17:32:12,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0203ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:32:12, skipping insertion in model container [2018-04-05 17:32:12,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:32:11" (2/3) ... [2018-04-05 17:32:12,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f0203ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:32:12, skipping insertion in model container [2018-04-05 17:32:12,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:32:12" (3/3) ... [2018-04-05 17:32:12,372 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_1_false-valid-memtrack_true-termination.i [2018-04-05 17:32:12,379 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 17:32:12,386 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2018-04-05 17:32:12,431 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 17:32:12,431 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 17:32:12,431 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 17:32:12,431 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 17:32:12,432 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 17:32:12,432 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 17:32:12,432 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 17:32:12,432 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 17:32:12,432 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 17:32:12,432 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 17:32:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-04-05 17:32:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-05 17:32:12,454 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:12,455 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:32:12,455 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]=== [2018-04-05 17:32:12,460 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 [2018-04-05 17:32:12,475 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:12,520 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:12,575 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 [2018-04-05 17:32:12,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:12,586 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:12,586 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 17:32:12,620 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:12,621 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:12,622 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 [2018-04-05 17:32:12,623 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:12,638 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. [2018-04-05 17:32:12,639 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-05 17:32:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:12,673 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:12,784 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:12,784 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-05 17:32:12,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-05 17:32:12,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-05 17:32:12,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-05 17:32:12,805 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 9 states. [2018-04-05 17:32:13,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:13,112 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-04-05 17:32:13,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 17:32:13,114 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-04-05 17:32:13,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:13,127 INFO L225 Difference]: With dead ends: 82 [2018-04-05 17:32:13,127 INFO L226 Difference]: Without dead ends: 75 [2018-04-05 17:32:13,131 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 [2018-04-05 17:32:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-05 17:32:13,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-05 17:32:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-05 17:32:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-04-05 17:32:13,176 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 11 [2018-04-05 17:32:13,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:13,176 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-04-05 17:32:13,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-05 17:32:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-04-05 17:32:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-05 17:32:13,177 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:13,177 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:32:13,177 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]=== [2018-04-05 17:32:13,178 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 [2018-04-05 17:32:13,188 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:13,209 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:13,215 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 [2018-04-05 17:32:13,215 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,238 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 [2018-04-05 17:32:13,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,243 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,244 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-05 17:32:13,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:13,365 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:13,366 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 [2018-04-05 17:32:13,366 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,376 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:13,377 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 [2018-04-05 17:32:13,377 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,385 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. [2018-04-05 17:32:13,386 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-05 17:32:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:13,406 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:13,576 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:13,576 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-05 17:32:13,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-05 17:32:13,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-05 17:32:13,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-05 17:32:13,579 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 10 states. [2018-04-05 17:32:13,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:13,934 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-04-05 17:32:13,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-05 17:32:13,934 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-04-05 17:32:13,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:13,936 INFO L225 Difference]: With dead ends: 75 [2018-04-05 17:32:13,936 INFO L226 Difference]: Without dead ends: 71 [2018-04-05 17:32:13,937 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-05 17:32:13,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-05 17:32:13,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-04-05 17:32:13,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-05 17:32:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-04-05 17:32:13,945 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 11 [2018-04-05 17:32:13,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:13,946 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-04-05 17:32:13,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-05 17:32:13,946 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-04-05 17:32:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-05 17:32:13,946 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:13,947 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:32:13,947 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]=== [2018-04-05 17:32:13,947 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 [2018-04-05 17:32:13,953 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:13,970 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:13,974 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 [2018-04-05 17:32:13,975 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,977 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 17:32:13,984 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 [2018-04-05 17:32:13,986 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 [2018-04-05 17:32:13,986 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,987 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:13,991 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-05 17:32:14,000 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:14,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:14,002 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 [2018-04-05 17:32:14,002 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,009 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:23 [2018-04-05 17:32:14,021 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 [2018-04-05 17:32:14,024 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:14,025 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 [2018-04-05 17:32:14,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,032 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,039 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-04-05 17:32:14,051 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 [2018-04-05 17:32:14,055 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 [2018-04-05 17:32:14,056 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:14,061 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:14,065 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. [2018-04-05 17:32:14,066 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:15 [2018-04-05 17:32:14,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:14,075 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:14,130 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:14,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2018-04-05 17:32:14,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-05 17:32:14,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-05 17:32:14,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2018-04-05 17:32:14,131 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 10 states. [2018-04-05 17:32:14,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:14,365 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-04-05 17:32:14,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-05 17:32:14,365 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-04-05 17:32:14,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:14,366 INFO L225 Difference]: With dead ends: 71 [2018-04-05 17:32:14,367 INFO L226 Difference]: Without dead ends: 70 [2018-04-05 17:32:14,367 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 [2018-04-05 17:32:14,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-05 17:32:14,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-04-05 17:32:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-05 17:32:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-04-05 17:32:14,374 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 15 [2018-04-05 17:32:14,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:14,374 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-04-05 17:32:14,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-05 17:32:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-04-05 17:32:14,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-05 17:32:14,375 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:14,375 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:32:14,376 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]=== [2018-04-05 17:32:14,376 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 [2018-04-05 17:32:14,411 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:14,429 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:14,444 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 [2018-04-05 17:32:14,445 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,463 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 [2018-04-05 17:32:14,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,468 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,468 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-05 17:32:14,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 17:32:14,482 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 8 treesize of output 7 [2018-04-05 17:32:14,482 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,493 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 [2018-04-05 17:32:14,495 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 8 treesize of output 7 [2018-04-05 17:32:14,495 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,499 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,507 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:26 [2018-04-05 17:32:14,522 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:14,523 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 [2018-04-05 17:32:14,523 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,549 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:14,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:14,551 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 [2018-04-05 17:32:14,552 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,559 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2018-04-05 17:32:14,584 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 [2018-04-05 17:32:14,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:14,589 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 [2018-04-05 17:32:14,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,617 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 [2018-04-05 17:32:14,620 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:14,622 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 [2018-04-05 17:32:14,622 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,628 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,637 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,637 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:42 [2018-04-05 17:32:14,655 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 [2018-04-05 17:32:14,658 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 [2018-04-05 17:32:14,660 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:14,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:14,686 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 [2018-04-05 17:32:14,696 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 [2018-04-05 17:32:14,696 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,698 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:14,702 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. [2018-04-05 17:32:14,703 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:18 [2018-04-05 17:32:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:14,736 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:14,882 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:14,882 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2018-04-05 17:32:14,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-05 17:32:14,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-05 17:32:14,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-04-05 17:32:14,883 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 11 states. [2018-04-05 17:32:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:15,211 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-04-05 17:32:15,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-05 17:32:15,211 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-04-05 17:32:15,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:15,212 INFO L225 Difference]: With dead ends: 70 [2018-04-05 17:32:15,212 INFO L226 Difference]: Without dead ends: 69 [2018-04-05 17:32:15,212 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-04-05 17:32:15,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-05 17:32:15,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-04-05 17:32:15,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-05 17:32:15,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-04-05 17:32:15,222 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 15 [2018-04-05 17:32:15,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:15,222 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-04-05 17:32:15,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-05 17:32:15,222 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-04-05 17:32:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-05 17:32:15,223 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:15,223 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:32:15,223 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]=== [2018-04-05 17:32:15,223 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 [2018-04-05 17:32:15,230 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:15,251 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:15,257 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 [2018-04-05 17:32:15,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,266 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 17:32:15,275 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 [2018-04-05 17:32:15,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-05 17:32:15,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,279 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,288 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 [2018-04-05 17:32:15,290 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 [2018-04-05 17:32:15,290 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,292 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,297 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-04-05 17:32:15,309 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 [2018-04-05 17:32:15,311 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 [2018-04-05 17:32:15,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,324 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 [2018-04-05 17:32:15,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-05 17:32:15,327 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,329 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,332 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-04-05 17:32:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:15,338 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:15,398 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:15,398 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-05 17:32:15,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 17:32:15,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 17:32:15,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-05 17:32:15,399 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 8 states. [2018-04-05 17:32:15,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:15,491 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-04-05 17:32:15,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 17:32:15,491 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-05 17:32:15,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:15,492 INFO L225 Difference]: With dead ends: 69 [2018-04-05 17:32:15,492 INFO L226 Difference]: Without dead ends: 68 [2018-04-05 17:32:15,493 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 [2018-04-05 17:32:15,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-04-05 17:32:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-04-05 17:32:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-05 17:32:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-04-05 17:32:15,499 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 18 [2018-04-05 17:32:15,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:15,500 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-04-05 17:32:15,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 17:32:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-04-05 17:32:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-05 17:32:15,501 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:15,501 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 17:32:15,501 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]=== [2018-04-05 17:32:15,501 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 [2018-04-05 17:32:15,513 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:15,531 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:15,534 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 [2018-04-05 17:32:15,534 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,536 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 17:32:15,541 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 [2018-04-05 17:32:15,543 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 [2018-04-05 17:32:15,543 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,545 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,548 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,548 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-04-05 17:32:15,553 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 [2018-04-05 17:32:15,555 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 [2018-04-05 17:32:15,555 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,556 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,557 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-04-05 17:32:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:15,561 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:15,587 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:15,587 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 17:32:15,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 17:32:15,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 17:32:15,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 17:32:15,588 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 5 states. [2018-04-05 17:32:15,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:15,651 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-04-05 17:32:15,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 17:32:15,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-05 17:32:15,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:15,652 INFO L225 Difference]: With dead ends: 68 [2018-04-05 17:32:15,652 INFO L226 Difference]: Without dead ends: 67 [2018-04-05 17:32:15,652 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 [2018-04-05 17:32:15,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-05 17:32:15,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-04-05 17:32:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-05 17:32:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-04-05 17:32:15,656 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 18 [2018-04-05 17:32:15,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:15,657 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-04-05 17:32:15,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 17:32:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-04-05 17:32:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-05 17:32:15,658 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:15,658 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] [2018-04-05 17:32:15,658 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]=== [2018-04-05 17:32:15,658 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 [2018-04-05 17:32:15,667 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:15,689 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:15,716 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:15,733 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 [2018-04-05 17:32:15,733 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,734 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:15,735 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:3 [2018-04-05 17:32:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:15,761 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:15,761 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-05 17:32:15,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 17:32:15,762 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 17:32:15,762 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-05 17:32:15,762 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 7 states. [2018-04-05 17:32:15,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:15,891 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2018-04-05 17:32:15,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-05 17:32:15,891 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-04-05 17:32:15,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:15,892 INFO L225 Difference]: With dead ends: 76 [2018-04-05 17:32:15,892 INFO L226 Difference]: Without dead ends: 72 [2018-04-05 17:32:15,892 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 [2018-04-05 17:32:15,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-05 17:32:15,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2018-04-05 17:32:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-05 17:32:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2018-04-05 17:32:15,898 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 24 [2018-04-05 17:32:15,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:15,898 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2018-04-05 17:32:15,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 17:32:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-04-05 17:32:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-05 17:32:15,899 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:15,899 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] [2018-04-05 17:32:15,899 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]=== [2018-04-05 17:32:15,899 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 [2018-04-05 17:32:15,907 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:15,942 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:15,980 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:16,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-05 17:32:16,068 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,071 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:16,071 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-04-05 17:32:16,076 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:16,077 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:16,077 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 [2018-04-05 17:32:16,078 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,080 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,080 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-04-05 17:32:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:16,105 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:16,105 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-04-05 17:32:16,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-05 17:32:16,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-05 17:32:16,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-05 17:32:16,106 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 11 states. [2018-04-05 17:32:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:16,251 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2018-04-05 17:32:16,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-05 17:32:16,251 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2018-04-05 17:32:16,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:16,252 INFO L225 Difference]: With dead ends: 65 [2018-04-05 17:32:16,252 INFO L226 Difference]: Without dead ends: 63 [2018-04-05 17:32:16,252 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 [2018-04-05 17:32:16,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-05 17:32:16,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-04-05 17:32:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-05 17:32:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-04-05 17:32:16,256 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 24 [2018-04-05 17:32:16,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:16,257 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-04-05 17:32:16,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-05 17:32:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-04-05 17:32:16,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-05 17:32:16,257 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:16,257 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] [2018-04-05 17:32:16,257 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]=== [2018-04-05 17:32:16,258 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 [2018-04-05 17:32:16,263 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:16,288 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:16,347 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:16,418 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 [2018-04-05 17:32:16,418 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,420 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,420 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:3 [2018-04-05 17:32:16,434 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 [2018-04-05 17:32:16,435 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:16,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:16,439 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:9 [2018-04-05 17:32:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:16,479 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:16,479 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 13 [2018-04-05 17:32:16,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-05 17:32:16,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-05 17:32:16,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-05 17:32:16,480 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 14 states. [2018-04-05 17:32:16,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:16,615 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-04-05 17:32:16,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-05 17:32:16,616 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 27 [2018-04-05 17:32:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:16,616 INFO L225 Difference]: With dead ends: 63 [2018-04-05 17:32:16,616 INFO L226 Difference]: Without dead ends: 61 [2018-04-05 17:32:16,617 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 [2018-04-05 17:32:16,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-05 17:32:16,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-04-05 17:32:16,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-05 17:32:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-04-05 17:32:16,621 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 27 [2018-04-05 17:32:16,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:16,622 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-04-05 17:32:16,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-05 17:32:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-04-05 17:32:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-05 17:32:16,622 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:16,622 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] [2018-04-05 17:32:16,622 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]=== [2018-04-05 17:32:16,623 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 [2018-04-05 17:32:16,630 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:16,659 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:16,683 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 [2018-04-05 17:32:16,685 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 [2018-04-05 17:32:16,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,686 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,691 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2018-04-05 17:32:16,752 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 [2018-04-05 17:32:16,756 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 [2018-04-05 17:32:16,756 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,758 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,766 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 [2018-04-05 17:32:16,769 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 [2018-04-05 17:32:16,770 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,773 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,777 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:11 [2018-04-05 17:32:16,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:16,822 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:16,946 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 17:32:16,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:16,963 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. [2018-04-05 17:32:16,963 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:99, output treesize:1 [2018-04-05 17:32:16,977 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 [2018-04-05 17:32:16,979 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:17,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-05 17:32:17,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,056 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:32:17,057 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:49, output treesize:39 [2018-04-05 17:32:17,095 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 [2018-04-05 17:32:17,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-05 17:32:17,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,115 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 [2018-04-05 17:32:17,116 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,125 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:17,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:17,138 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:56, output treesize:23 [2018-04-05 17:32:17,166 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 [2018-04-05 17:32:17,172 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 [2018-04-05 17:32:17,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,179 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 [2018-04-05 17:32:17,182 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 [2018-04-05 17:32:17,183 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,184 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:17,187 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:33, output treesize:7 [2018-04-05 17:32:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:17,218 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:17,218 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 15 [2018-04-05 17:32:17,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-05 17:32:17,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-05 17:32:17,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2018-04-05 17:32:17,219 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 16 states. [2018-04-05 17:32:17,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:17,518 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-05 17:32:17,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-05 17:32:17,519 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-04-05 17:32:17,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:17,520 INFO L225 Difference]: With dead ends: 61 [2018-04-05 17:32:17,520 INFO L226 Difference]: Without dead ends: 60 [2018-04-05 17:32:17,521 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 [2018-04-05 17:32:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-05 17:32:17,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-05 17:32:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-05 17:32:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-04-05 17:32:17,526 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 30 [2018-04-05 17:32:17,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:17,526 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-04-05 17:32:17,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-05 17:32:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-04-05 17:32:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-05 17:32:17,527 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:17,528 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] [2018-04-05 17:32:17,528 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]=== [2018-04-05 17:32:17,528 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 [2018-04-05 17:32:17,537 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:17,560 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:17,650 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 [2018-04-05 17:32:17,652 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 [2018-04-05 17:32:17,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,654 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,655 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-04-05 17:32:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:17,688 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:17,805 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 [2018-04-05 17:32:17,806 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,808 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-05 17:32:17,814 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 [2018-04-05 17:32:17,816 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 [2018-04-05 17:32:17,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,822 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 [2018-04-05 17:32:17,822 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:17,825 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:17,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:17,827 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-05 17:32:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:17,855 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:17,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 13 [2018-04-05 17:32:17,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-05 17:32:17,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-05 17:32:17,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-05 17:32:17,856 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 14 states. [2018-04-05 17:32:18,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:18,436 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-04-05 17:32:18,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-05 17:32:18,436 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2018-04-05 17:32:18,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:18,440 INFO L225 Difference]: With dead ends: 63 [2018-04-05 17:32:18,440 INFO L226 Difference]: Without dead ends: 61 [2018-04-05 17:32:18,441 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2018-04-05 17:32:18,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-05 17:32:18,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2018-04-05 17:32:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-05 17:32:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-04-05 17:32:18,448 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 30 [2018-04-05 17:32:18,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:18,448 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-04-05 17:32:18,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-05 17:32:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-04-05 17:32:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-05 17:32:18,449 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:18,449 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] [2018-04-05 17:32:18,449 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]=== [2018-04-05 17:32:18,450 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 [2018-04-05 17:32:18,458 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:18,490 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:18,531 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 [2018-04-05 17:32:18,532 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,544 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-04-05 17:32:18,608 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 [2018-04-05 17:32:18,610 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 [2018-04-05 17:32:18,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,622 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. [2018-04-05 17:32:18,622 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-04-05 17:32:18,740 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 [2018-04-05 17:32:18,753 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:18,753 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 [2018-04-05 17:32:18,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,758 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,775 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:5 [2018-04-05 17:32:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:18,814 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:18,899 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 [2018-04-05 17:32:18,899 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,905 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 [2018-04-05 17:32:18,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-05 17:32:18,913 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,914 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:18,918 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. [2018-04-05 17:32:18,918 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:27, output treesize:7 [2018-04-05 17:32:18,960 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 [2018-04-05 17:32:18,962 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 [2018-04-05 17:32:18,962 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:18,964 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:18,977 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. [2018-04-05 17:32:18,977 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:68 [2018-04-05 17:32:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:19,125 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:19,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2018-04-05 17:32:19,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-05 17:32:19,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-05 17:32:19,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-04-05 17:32:19,126 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 19 states. [2018-04-05 17:32:19,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:19,494 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-05 17:32:19,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-05 17:32:19,494 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 31 [2018-04-05 17:32:19,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:19,495 INFO L225 Difference]: With dead ends: 61 [2018-04-05 17:32:19,495 INFO L226 Difference]: Without dead ends: 60 [2018-04-05 17:32:19,496 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2018-04-05 17:32:19,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-05 17:32:19,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2018-04-05 17:32:19,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-05 17:32:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-04-05 17:32:19,499 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 31 [2018-04-05 17:32:19,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:19,499 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-04-05 17:32:19,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-05 17:32:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-04-05 17:32:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-05 17:32:19,500 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:19,500 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] [2018-04-05 17:32:19,500 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]=== [2018-04-05 17:32:19,501 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 [2018-04-05 17:32:19,511 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:19,533 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:19,553 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 [2018-04-05 17:32:19,554 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,562 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,562 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2018-04-05 17:32:19,579 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 [2018-04-05 17:32:19,582 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 [2018-04-05 17:32:19,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,593 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 [2018-04-05 17:32:19,596 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 [2018-04-05 17:32:19,597 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,598 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,603 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-04-05 17:32:19,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-05 17:32:19,687 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 [2018-04-05 17:32:19,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,710 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,728 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 [2018-04-05 17:32:19,730 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 [2018-04-05 17:32:19,730 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,731 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:19,735 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-04-05 17:32:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:19,779 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:19,958 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 [2018-04-05 17:32:19,962 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 [2018-04-05 17:32:19,963 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:19,966 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:19,968 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 [2018-04-05 17:32:19,971 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 [2018-04-05 17:32:19,972 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:19,976 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:19,978 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 [2018-04-05 17:32:19,980 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 17 treesize of output 13 [2018-04-05 17:32:19,981 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:19,984 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 17:32:20,014 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 [2018-04-05 17:32:20,016 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-05 17:32:20,016 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,017 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,018 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 [2018-04-05 17:32:20,020 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 [2018-04-05 17:32:20,020 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,021 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,022 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 [2018-04-05 17:32:20,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-04-05 17:32:20,024 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,025 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-05 17:32:20,048 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 3 variables, input treesize:59, output treesize:17 [2018-04-05 17:32:20,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:20,100 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:20,101 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2018-04-05 17:32:20,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-05 17:32:20,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-05 17:32:20,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-04-05 17:32:20,102 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 17 states. [2018-04-05 17:32:20,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:20,344 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-04-05 17:32:20,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-05 17:32:20,344 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 31 [2018-04-05 17:32:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:20,345 INFO L225 Difference]: With dead ends: 57 [2018-04-05 17:32:20,345 INFO L226 Difference]: Without dead ends: 55 [2018-04-05 17:32:20,346 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2018-04-05 17:32:20,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-05 17:32:20,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-05 17:32:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-05 17:32:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-04-05 17:32:20,349 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 31 [2018-04-05 17:32:20,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:20,350 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-04-05 17:32:20,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-05 17:32:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-04-05 17:32:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-05 17:32:20,350 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:20,351 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] [2018-04-05 17:32:20,351 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]=== [2018-04-05 17:32:20,351 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 [2018-04-05 17:32:20,357 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:20,379 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:20,394 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 [2018-04-05 17:32:20,395 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 [2018-04-05 17:32:20,396 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,400 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,401 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-05 17:32:20,412 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 [2018-04-05 17:32:20,415 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:20,417 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 [2018-04-05 17:32:20,417 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,430 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:7 [2018-04-05 17:32:20,462 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 [2018-04-05 17:32:20,465 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 [2018-04-05 17:32:20,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,467 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,468 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,468 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-04-05 17:32:20,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:20,492 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:20,606 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-05 17:32:20,606 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,607 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-04-05 17:32:20,642 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 [2018-04-05 17:32:20,644 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 [2018-04-05 17:32:20,659 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 [2018-04-05 17:32:20,659 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:20,661 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 [2018-04-05 17:32:20,661 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,668 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-05 17:32:20,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:32:20,687 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 [2018-04-05 17:32:20,689 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 [2018-04-05 17:32:20,690 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,698 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 [2018-04-05 17:32:20,712 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 [2018-04-05 17:32:20,713 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:20,714 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 [2018-04-05 17:32:20,714 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,723 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-05 17:32:20,754 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 [2018-04-05 17:32:20,780 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 [2018-04-05 17:32:20,780 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,796 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 [2018-04-05 17:32:20,797 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:20,802 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 [2018-04-05 17:32:20,803 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:20,814 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:32:20,828 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:32:20,830 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 [2018-04-05 17:32:20,831 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 [2018-04-05 17:32:20,831 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,832 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:20,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-05 17:32:20,849 INFO L202 ElimStorePlain]: Needed 16 recursive calls to eliminate 2 variables, input treesize:20, output treesize:24 [2018-04-05 17:32:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:20,878 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:20,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 15 [2018-04-05 17:32:20,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-05 17:32:20,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-05 17:32:20,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2018-04-05 17:32:20,879 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 16 states. [2018-04-05 17:32:21,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:21,029 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-04-05 17:32:21,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-05 17:32:21,030 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 35 [2018-04-05 17:32:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:21,030 INFO L225 Difference]: With dead ends: 55 [2018-04-05 17:32:21,030 INFO L226 Difference]: Without dead ends: 54 [2018-04-05 17:32:21,031 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2018-04-05 17:32:21,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-05 17:32:21,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-05 17:32:21,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-05 17:32:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-04-05 17:32:21,034 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 35 [2018-04-05 17:32:21,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:21,034 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-04-05 17:32:21,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-05 17:32:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-04-05 17:32:21,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-05 17:32:21,035 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:21,035 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] [2018-04-05 17:32:21,035 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]=== [2018-04-05 17:32:21,035 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 [2018-04-05 17:32:21,043 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:21,070 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:21,083 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 [2018-04-05 17:32:21,083 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,089 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 17:32:21,103 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 [2018-04-05 17:32:21,105 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 [2018-04-05 17:32:21,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,107 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,115 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-05 17:32:21,129 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:21,130 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:21,130 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 [2018-04-05 17:32:21,131 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,143 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,144 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-05 17:32:21,167 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 [2018-04-05 17:32:21,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:21,174 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 [2018-04-05 17:32:21,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,200 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:24 [2018-04-05 17:32:21,289 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 [2018-04-05 17:32:21,291 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 [2018-04-05 17:32:21,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,292 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,294 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-04-05 17:32:21,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:21,329 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 [2018-04-05 17:32:21,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,334 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. [2018-04-05 17:32:21,335 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-05 17:32:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:21,361 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:21,385 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 [2018-04-05 17:32:21,385 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,386 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,386 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-05 17:32:21,495 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,495 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-04-05 17:32:21,576 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 [2018-04-05 17:32:21,577 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 [2018-04-05 17:32:21,613 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 [2018-04-05 17:32:21,614 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,616 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:21,617 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 [2018-04-05 17:32:21,618 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,620 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:21,626 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 [2018-04-05 17:32:21,627 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:21,646 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:21,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:21,653 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 [2018-04-05 17:32:21,655 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:21,655 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 [2018-04-05 17:32:21,656 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,659 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:21,669 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. [2018-04-05 17:32:21,669 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2018-04-05 17:32:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:21,802 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:21,802 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [17, 15] imperfect sequences [] total 28 [2018-04-05 17:32:21,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-05 17:32:21,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-05 17:32:21,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2018-04-05 17:32:21,803 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 29 states. [2018-04-05 17:32:22,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:22,268 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-04-05 17:32:22,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-05 17:32:22,268 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 39 [2018-04-05 17:32:22,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:22,269 INFO L225 Difference]: With dead ends: 57 [2018-04-05 17:32:22,269 INFO L226 Difference]: Without dead ends: 56 [2018-04-05 17:32:22,269 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 [2018-04-05 17:32:22,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-05 17:32:22,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2018-04-05 17:32:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-05 17:32:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-04-05 17:32:22,272 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 39 [2018-04-05 17:32:22,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:22,273 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-04-05 17:32:22,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-05 17:32:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-04-05 17:32:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-05 17:32:22,273 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:22,274 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] [2018-04-05 17:32:22,274 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]=== [2018-04-05 17:32:22,274 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 [2018-04-05 17:32:22,283 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 17:32:22,305 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 17:32:22,312 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 [2018-04-05 17:32:22,313 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,316 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 17:32:22,325 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 [2018-04-05 17:32:22,327 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 [2018-04-05 17:32:22,327 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,329 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,335 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-05 17:32:22,350 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:22,351 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:22,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-05 17:32:22,351 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,356 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-05 17:32:22,370 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 [2018-04-05 17:32:22,372 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 [2018-04-05 17:32:22,373 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,388 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 [2018-04-05 17:32:22,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 17:32:22,391 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 [2018-04-05 17:32:22,391 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,395 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,403 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:24 [2018-04-05 17:32:22,431 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 [2018-04-05 17:32:22,433 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 [2018-04-05 17:32:22,433 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,434 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,441 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,441 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:39 [2018-04-05 17:32:22,485 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 [2018-04-05 17:32:22,488 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 [2018-04-05 17:32:22,488 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,500 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:62, output treesize:52 [2018-04-05 17:32:22,682 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 [2018-04-05 17:32:22,686 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 [2018-04-05 17:32:22,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,711 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,730 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 37 treesize of output 29 [2018-04-05 17:32:22,737 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 [2018-04-05 17:32:22,738 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,747 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,753 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:71, output treesize:19 [2018-04-05 17:32:22,824 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 [2018-04-05 17:32:22,826 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 [2018-04-05 17:32:22,826 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,832 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 [2018-04-05 17:32:22,832 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,835 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:22,839 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:33, output treesize:7 [2018-04-05 17:32:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:22,862 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 17:32:23,191 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:23,191 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 8 variables, input treesize:131, output treesize:1 [2018-04-05 17:32:23,403 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 [2018-04-05 17:32:23,439 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 [2018-04-05 17:32:23,439 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:23,491 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 [2018-04-05 17:32:23,513 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 [2018-04-05 17:32:23,515 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:23,642 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 [2018-04-05 17:32:23,644 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:23,977 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 [2018-04-05 17:32:23,979 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:24,130 INFO L267 ElimStorePlain]: Start of recursive call 4: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:24,178 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 [2018-04-05 17:32:24,211 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 [2018-04-05 17:32:24,214 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:24,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 85 [2018-04-05 17:32:24,329 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:24,436 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 [2018-04-05 17:32:24,438 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:24,533 INFO L267 ElimStorePlain]: Start of recursive call 8: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:24,557 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 [2018-04-05 17:32:24,583 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 [2018-04-05 17:32:24,584 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:24,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2018-04-05 17:32:24,711 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:24,712 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 [2018-04-05 17:32:24,713 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:24,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 73 [2018-04-05 17:32:24,818 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:24,970 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 [2018-04-05 17:32:24,972 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:25,006 INFO L267 ElimStorePlain]: Start of recursive call 12: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:25,029 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 [2018-04-05 17:32:25,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 82 [2018-04-05 17:32:25,035 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:25,151 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:25,154 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:25,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 94 [2018-04-05 17:32:25,170 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:25,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2018-04-05 17:32:25,281 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:25,355 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 [2018-04-05 17:32:25,355 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:25,428 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:25,431 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:25,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 88 [2018-04-05 17:32:25,443 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:25,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 73 [2018-04-05 17:32:25,562 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:25,683 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 79 [2018-04-05 17:32:25,684 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:25,746 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 70 [2018-04-05 17:32:25,747 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:25,830 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 [2018-04-05 17:32:25,830 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:25,859 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:25,861 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:25,873 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 [2018-04-05 17:32:25,874 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:25,895 INFO L267 ElimStorePlain]: Start of recursive call 18: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:25,912 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 [2018-04-05 17:32:25,917 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 [2018-04-05 17:32:25,917 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 73 [2018-04-05 17:32:26,036 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:26,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-04-05 17:32:26,123 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,194 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,195 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2018-04-05 17:32:26,196 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,259 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,261 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,271 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 [2018-04-05 17:32:26,273 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:26,321 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 60 [2018-04-05 17:32:26,322 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,442 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 [2018-04-05 17:32:26,443 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,486 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,488 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,497 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 [2018-04-05 17:32:26,498 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:26,526 INFO L267 ElimStorePlain]: Start of recursive call 29: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:26,532 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 [2018-04-05 17:32:26,535 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,535 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,536 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 [2018-04-05 17:32:26,536 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,556 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 [2018-04-05 17:32:26,556 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,575 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 [2018-04-05 17:32:26,575 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,590 INFO L267 ElimStorePlain]: Start of recursive call 38: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:26,606 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 [2018-04-05 17:32:26,610 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,611 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,611 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 60 [2018-04-05 17:32:26,612 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,692 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 [2018-04-05 17:32:26,693 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 54 [2018-04-05 17:32:26,839 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:26,924 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,939 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:26,975 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 [2018-04-05 17:32:26,977 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:27,049 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,052 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,063 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 53 treesize of output 69 [2018-04-05 17:32:27,064 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:27,122 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,124 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,132 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 [2018-04-05 17:32:27,133 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:27,170 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 [2018-04-05 17:32:27,170 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-04-05 17:32:27,197 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 54 [2018-04-05 17:32:27,227 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:27,257 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-05 17:32:27,257 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,272 INFO L267 ElimStorePlain]: Start of recursive call 42: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:27,287 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 [2018-04-05 17:32:27,291 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 [2018-04-05 17:32:27,291 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,372 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 69 [2018-04-05 17:32:27,372 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,469 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 [2018-04-05 17:32:27,471 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:27,521 INFO L267 ElimStorePlain]: Start of recursive call 53: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,536 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 [2018-04-05 17:32:27,558 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 64 treesize of output 56 [2018-04-05 17:32:27,559 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:27,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 47 [2018-04-05 17:32:27,638 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:27,695 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,698 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,706 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 34 treesize of output 56 [2018-04-05 17:32:27,707 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:27,768 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 50 [2018-04-05 17:32:27,769 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,815 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 23 treesize of output 17 [2018-04-05 17:32:27,816 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,853 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 36 treesize of output 28 [2018-04-05 17:32:27,853 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,887 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,888 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,888 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 25 treesize of output 23 [2018-04-05 17:32:27,888 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,915 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,916 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:27,925 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 [2018-04-05 17:32:27,926 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:27,951 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 11 [2018-04-05 17:32:27,952 INFO L267 ElimStorePlain]: Start of recursive call 66: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,963 INFO L267 ElimStorePlain]: Start of recursive call 57: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:27,969 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 [2018-04-05 17:32:27,972 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 47 [2018-04-05 17:32:27,972 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:27,990 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 [2018-04-05 17:32:27,990 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,008 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 [2018-04-05 17:32:28,008 INFO L267 ElimStorePlain]: Start of recursive call 70: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:28,015 INFO L267 ElimStorePlain]: Start of recursive call 67: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,031 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 [2018-04-05 17:32:28,035 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 74 treesize of output 66 [2018-04-05 17:32:28,035 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,110 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 57 treesize of output 51 [2018-04-05 17:32:28,110 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,192 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 [2018-04-05 17:32:28,193 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:28,722 INFO L267 ElimStorePlain]: Start of recursive call 71: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,728 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 [2018-04-05 17:32:28,730 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:28,731 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:28,731 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 [2018-04-05 17:32:28,731 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,746 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 [2018-04-05 17:32:28,746 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,760 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 [2018-04-05 17:32:28,760 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,773 INFO L267 ElimStorePlain]: Start of recursive call 75: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:28,794 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 [2018-04-05 17:32:28,806 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 [2018-04-05 17:32:28,806 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:28,894 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 [2018-04-05 17:32:28,894 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:28,968 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 75 treesize of output 67 [2018-04-05 17:32:28,969 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,042 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:29,043 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:29,052 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 [2018-04-05 17:32:29,054 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:29,132 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:29,134 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:29,143 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 [2018-04-05 17:32:29,144 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 3 xjuncts. [2018-04-05 17:32:29,188 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 58 treesize of output 52 [2018-04-05 17:32:29,188 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,248 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 [2018-04-05 17:32:29,248 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,326 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 56 treesize of output 54 [2018-04-05 17:32:29,327 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:29,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-04-05 17:32:29,357 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,365 INFO L267 ElimStorePlain]: Start of recursive call 79: 13 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:29,367 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 [2018-04-05 17:32:29,368 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 [2018-04-05 17:32:29,369 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,374 INFO L267 ElimStorePlain]: Start of recursive call 89: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,389 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 [2018-04-05 17:32:29,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 66 [2018-04-05 17:32:29,394 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,476 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 [2018-04-05 17:32:29,477 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2018-04-05 17:32:29,557 INFO L267 ElimStorePlain]: Start of recursive call 94: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,649 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 [2018-04-05 17:32:29,651 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:29,808 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 [2018-04-05 17:32:29,809 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:29,917 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 [2018-04-05 17:32:29,918 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 8 xjuncts. [2018-04-05 17:32:29,942 INFO L267 ElimStorePlain]: Start of recursive call 91: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,948 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 [2018-04-05 17:32:29,951 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 [2018-04-05 17:32:29,951 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2018-04-05 17:32:29,971 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:29,992 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:29,993 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 17:32:29,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-05 17:32:29,994 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,009 INFO L267 ElimStorePlain]: Start of recursive call 98: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:30,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-05 17:32:30,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-05 17:32:30,055 INFO L202 ElimStorePlain]: Needed 101 recursive calls to eliminate 1 variables, input treesize:115, output treesize:74 [2018-04-05 17:32:30,205 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 [2018-04-05 17:32:30,207 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 [2018-04-05 17:32:30,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,229 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 [2018-04-05 17:32:30,231 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 [2018-04-05 17:32:30,231 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,232 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,233 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 [2018-04-05 17:32:30,235 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 [2018-04-05 17:32:30,236 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,237 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-05 17:32:30,249 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:128, output treesize:25 [2018-04-05 17:32:30,359 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 [2018-04-05 17:32:30,361 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 [2018-04-05 17:32:30,374 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 [2018-04-05 17:32:30,374 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,378 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 [2018-04-05 17:32:30,379 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-05 17:32:30,382 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:30,388 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 17:32:30,392 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 [2018-04-05 17:32:30,394 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 6 treesize of output 1 [2018-04-05 17:32:30,395 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,399 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 17:32:30,421 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. [2018-04-05 17:32:30,421 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:61, output treesize:63 [2018-04-05 17:32:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 17:32:30,568 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 17:32:30,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [21, 20] imperfect sequences [] total 39 [2018-04-05 17:32:30,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-05 17:32:30,568 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-05 17:32:30,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1366, Unknown=0, NotChecked=0, Total=1482 [2018-04-05 17:32:30,569 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 39 states. [2018-04-05 17:32:31,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 17:32:31,841 INFO L93 Difference]: Finished difference Result 61 states and 60 transitions. [2018-04-05 17:32:31,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-05 17:32:31,841 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 41 [2018-04-05 17:32:31,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 17:32:31,842 INFO L225 Difference]: With dead ends: 61 [2018-04-05 17:32:31,842 INFO L226 Difference]: Without dead ends: 43 [2018-04-05 17:32:31,843 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=387, Invalid=2919, Unknown=0, NotChecked=0, Total=3306 [2018-04-05 17:32:31,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-05 17:32:31,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-05 17:32:31,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-05 17:32:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-04-05 17:32:31,845 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 41 [2018-04-05 17:32:31,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 17:32:31,845 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-04-05 17:32:31,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-05 17:32:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-04-05 17:32:31,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-05 17:32:31,846 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 17:32:31,846 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] [2018-04-05 17:32:31,846 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]=== [2018-04-05 17:32:31,846 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 [2018-04-05 17:32:31,852 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 17:32:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 17:32:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 17:32:31,934 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-05 17:32:31,950 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-05 17:32:31,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:32:31 BoogieIcfgContainer [2018-04-05 17:32:31,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 17:32:31,969 INFO L168 Benchmark]: Toolchain (without parser) took 20535.24 ms. Allocated memory was 299.4 MB in the beginning and 690.0 MB in the end (delta: 390.6 MB). Free memory was 234.8 MB in the beginning and 383.3 MB in the end (delta: -148.5 MB). Peak memory consumption was 242.1 MB. Max. memory is 5.3 GB. [2018-04-05 17:32:31,970 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 299.4 MB. Free memory is still 261.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 17:32:31,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.77 ms. Allocated memory is still 299.4 MB. Free memory was 234.8 MB in the beginning and 209.9 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. [2018-04-05 17:32:31,970 INFO L168 Benchmark]: Boogie Preprocessor took 57.76 ms. Allocated memory is still 299.4 MB. Free memory was 209.9 MB in the beginning and 206.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-05 17:32:31,971 INFO L168 Benchmark]: RCFGBuilder took 540.62 ms. Allocated memory was 299.4 MB in the beginning and 450.9 MB in the end (delta: 151.5 MB). Free memory was 206.9 MB in the beginning and 384.0 MB in the end (delta: -177.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-04-05 17:32:31,971 INFO L168 Benchmark]: TraceAbstraction took 19601.43 ms. Allocated memory was 450.9 MB in the beginning and 690.0 MB in the end (delta: 239.1 MB). Free memory was 384.0 MB in the beginning and 383.3 MB in the end (delta: 702.1 kB). Peak memory consumption was 239.8 MB. Max. memory is 5.3 GB. [2018-04-05 17:32:31,972 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 299.4 MB. Free memory is still 261.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 330.77 ms. Allocated memory is still 299.4 MB. Free memory was 234.8 MB in the beginning and 209.9 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.76 ms. Allocated memory is still 299.4 MB. Free memory was 209.9 MB in the beginning and 206.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 540.62 ms. Allocated memory was 299.4 MB in the beginning and 450.9 MB in the end (delta: 151.5 MB). Free memory was 206.9 MB in the beginning and 384.0 MB in the end (delta: -177.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 19601.43 ms. Allocated memory was 450.9 MB in the beginning and 690.0 MB in the end (delta: 239.1 MB). Free memory was 384.0 MB in the beginning and 383.3 MB in the end (delta: 702.1 kB). Peak memory consumption was 239.8 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, 19.5s OverallTime, 17 OverallIterations, 1 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 721 SDtfs, 1245 SDslu, 3962 SDs, 0 SdLazy, 3284 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 571 SyntacticMatches, 10 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 16 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.0s 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-0-2018-04-05_17-32-31-979.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-0-2018-04-05_17-32-31-979.csv Received shutdown request...