java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/test-0019_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-06 20:09:52,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-06 20:09:52,393 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-06 20:09:52,407 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-06 20:09:52,407 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-06 20:09:52,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-06 20:09:52,409 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-06 20:09:52,410 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-06 20:09:52,413 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-06 20:09:52,414 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-06 20:09:52,415 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-06 20:09:52,415 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-06 20:09:52,416 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-06 20:09:52,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-06 20:09:52,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-06 20:09:52,420 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-06 20:09:52,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-06 20:09:52,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-06 20:09:52,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-06 20:09:52,427 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-06 20:09:52,429 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-06 20:09:52,436 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 [2018-04-06 20:09:52,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-06 20:09:52,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-06 20:09:52,459 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-06 20:09:52,459 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-06 20:09:52,459 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-06 20:09:52,459 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-06 20:09:52,460 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-06 20:09:52,460 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-06 20:09:52,460 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-06 20:09:52,460 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-06 20:09:52,460 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-06 20:09:52,460 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-06 20:09:52,461 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-06 20:09:52,461 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-06 20:09:52,461 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-06 20:09:52,461 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-06 20:09:52,461 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-06 20:09:52,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-06 20:09:52,461 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-06 20:09:52,462 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-06 20:09:52,462 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-06 20:09:52,462 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-06 20:09:52,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-06 20:09:52,462 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-06 20:09:52,463 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-06 20:09:52,463 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-06 20:09:52,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 20:09:52,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-06 20:09:52,463 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-06 20:09:52,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-06 20:09:52,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-06 20:09:52,464 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-06 20:09:52,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 20:09:52,464 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-06 20:09:52,465 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-06 20:09:52,465 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-06 20:09:52,465 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-06 20:09:52,465 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-06 20:09:52,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-06 20:09:52,508 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-06 20:09:52,511 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-06 20:09:52,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-06 20:09:52,513 INFO L276 PluginConnector]: CDTParser initialized [2018-04-06 20:09:52,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:52,822 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2bbfc2bdf [2018-04-06 20:09:53,010 INFO L287 CDTParser]: IsIndexed: true [2018-04-06 20:09:53,010 INFO L288 CDTParser]: Found 1 translation units. [2018-04-06 20:09:53,011 INFO L168 CDTParser]: Scanning test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,023 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-06 20:09:53,023 INFO L215 ultiparseSymbolTable]: [2018-04-06 20:09:53,023 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-06 20:09:53,023 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,024 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data ('free_data') in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,024 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data ('alloc_data') in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,024 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-06 20:09:53,024 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____caddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,024 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____off64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,024 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_quad_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,024 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____qaddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,024 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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20:09:53,025 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsblkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,025 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ulong in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,025 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,025 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_rwlockattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,025 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,026 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__size_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,026 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____pid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,026 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____timer_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,026 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_mutexattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,027 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_attr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ssize_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_once_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__uint in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__nlink_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,030 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__loff_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsblkcnt64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_short in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____nlink_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__gid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____clock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_condattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,031 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____blkcnt64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsfilcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fd_mask in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__clockid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____loff_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__suseconds_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,032 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____sig_atomic_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____ssize_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__timer_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____time_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____WAIT_STATUS in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ushort in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fd_mask in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_mutex_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____off_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint16_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____ino64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____daddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,033 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsfilcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__time_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_int in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____key_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__id_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____useconds_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsfilcnt64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ldiv_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,034 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ino_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__dev_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____swblk_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____blkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_barrierattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__register_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_rwlock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_key_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,035 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsblkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,056 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG2bbfc2bdf [2018-04-06 20:09:53,061 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-06 20:09:53,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-06 20:09:53,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-06 20:09:53,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-06 20:09:53,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-06 20:09:53,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235726bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53, skipping insertion in model container [2018-04-06 20:09:53,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,088 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 20:09:53,121 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 20:09:53,276 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 20:09:53,318 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 20:09:53,326 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-06 20:09:53,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53 WrapperNode [2018-04-06 20:09:53,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-06 20:09:53,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-06 20:09:53,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-06 20:09:53,378 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-06 20:09:53,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (1/1) ... [2018-04-06 20:09:53,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-06 20:09:53,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-06 20:09:53,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-06 20:09:53,433 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-06 20:09:53,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (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 [2018-04-06 20:09:53,573 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-06 20:09:53,573 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-06 20:09:53,573 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data [2018-04-06 20:09:53,573 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data [2018-04-06 20:09:53,574 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-06 20:09:53,574 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-06 20:09:53,574 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-06 20:09:53,574 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-06 20:09:53,574 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-06 20:09:53,574 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-06 20:09:53,574 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-06 20:09:53,575 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-06 20:09:53,575 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-06 20:09:53,575 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-06 20:09:53,575 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-06 20:09:53,575 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-06 20:09:53,575 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-06 20:09:53,575 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-06 20:09:53,576 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-06 20:09:53,576 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-06 20:09:53,576 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-06 20:09:53,576 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-06 20:09:53,576 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-06 20:09:53,576 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-06 20:09:53,577 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-06 20:09:53,577 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-06 20:09:53,577 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-06 20:09:53,577 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-06 20:09:53,577 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-06 20:09:53,577 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-06 20:09:53,578 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-06 20:09:53,578 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-06 20:09:53,578 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-06 20:09:53,578 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-06 20:09:53,578 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-06 20:09:53,578 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-06 20:09:53,579 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-06 20:09:53,579 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-06 20:09:53,579 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-06 20:09:53,579 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-06 20:09:53,579 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-06 20:09:53,579 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-06 20:09:53,580 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-06 20:09:53,580 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-06 20:09:53,580 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-06 20:09:53,580 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-06 20:09:53,580 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-06 20:09:53,580 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-06 20:09:53,580 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-06 20:09:53,581 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-06 20:09:53,581 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-06 20:09:53,581 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-06 20:09:53,581 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-06 20:09:53,581 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-06 20:09:53,581 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-06 20:09:53,581 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-06 20:09:53,581 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-06 20:09:53,582 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-06 20:09:53,582 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-06 20:09:53,582 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-06 20:09:53,582 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-06 20:09:53,582 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-06 20:09:53,582 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-06 20:09:53,582 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-06 20:09:53,583 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-06 20:09:53,583 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-06 20:09:53,583 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-06 20:09:53,583 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-06 20:09:53,583 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-06 20:09:53,583 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-06 20:09:53,583 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-06 20:09:53,584 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-06 20:09:53,584 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-06 20:09:53,584 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-06 20:09:53,584 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-06 20:09:53,584 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-06 20:09:53,584 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-06 20:09:53,584 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-06 20:09:53,585 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-06 20:09:53,585 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-06 20:09:53,585 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-06 20:09:53,585 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-06 20:09:53,585 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-06 20:09:53,585 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-06 20:09:53,585 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-06 20:09:53,585 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-06 20:09:53,586 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-06 20:09:53,586 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-06 20:09:53,586 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-06 20:09:53,586 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-06 20:09:53,586 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-06 20:09:53,586 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-06 20:09:53,586 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-06 20:09:53,587 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-06 20:09:53,587 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-06 20:09:53,587 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-06 20:09:53,587 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-06 20:09:53,587 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-06 20:09:53,587 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-06 20:09:53,587 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-06 20:09:53,587 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-06 20:09:53,588 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-06 20:09:53,588 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-06 20:09:53,588 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-06 20:09:53,588 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-06 20:09:53,588 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-06 20:09:53,588 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-06 20:09:53,588 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data [2018-04-06 20:09:53,589 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-06 20:09:53,589 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-06 20:09:53,589 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data [2018-04-06 20:09:53,589 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-06 20:09:53,589 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-06 20:09:53,589 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-06 20:09:53,589 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-06 20:09:53,589 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-06 20:09:53,945 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-06 20:09:53,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:09:53 BoogieIcfgContainer [2018-04-06 20:09:53,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-06 20:09:53,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-06 20:09:53,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-06 20:09:53,949 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-06 20:09:53,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:09:53" (1/3) ... [2018-04-06 20:09:53,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78654261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:09:53, skipping insertion in model container [2018-04-06 20:09:53,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:09:53" (2/3) ... [2018-04-06 20:09:53,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78654261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:09:53, skipping insertion in model container [2018-04-06 20:09:53,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:09:53" (3/3) ... [2018-04-06 20:09:53,952 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_false-valid-memtrack_true-termination.i [2018-04-06 20:09:53,959 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-06 20:09:53,966 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-06 20:09:54,002 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-06 20:09:54,003 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-06 20:09:54,003 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-06 20:09:54,003 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-06 20:09:54,003 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-06 20:09:54,003 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-06 20:09:54,003 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-06 20:09:54,004 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-06 20:09:54,004 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-06 20:09:54,004 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-06 20:09:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-06 20:09:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-06 20:09:54,025 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:54,026 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:09:54,026 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:54,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1377994438, 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 [2018-04-06 20:09:54,042 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:54,081 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:54,126 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 [2018-04-06 20:09:54,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:54,133 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:54,134 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 20:09:54,171 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:54,172 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:54,174 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 [2018-04-06 20:09:54,175 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:54,197 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. [2018-04-06 20:09:54,198 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-06 20:09:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:54,216 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:54,350 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:54,351 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-06 20:09:54,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-06 20:09:54,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-06 20:09:54,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-06 20:09:54,372 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 9 states. [2018-04-06 20:09:54,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:09:54,658 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-04-06 20:09:54,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 20:09:54,660 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-04-06 20:09:54,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:09:54,672 INFO L225 Difference]: With dead ends: 58 [2018-04-06 20:09:54,673 INFO L226 Difference]: Without dead ends: 53 [2018-04-06 20:09:54,676 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 [2018-04-06 20:09:54,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-06 20:09:54,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-06 20:09:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-06 20:09:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-04-06 20:09:54,723 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 11 [2018-04-06 20:09:54,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:09:54,724 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-04-06 20:09:54,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-06 20:09:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-04-06 20:09:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-06 20:09:54,725 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:54,725 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:09:54,725 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:54,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1377994439, 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 [2018-04-06 20:09:54,738 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:54,757 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:54,771 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 [2018-04-06 20:09:54,771 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:54,780 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 [2018-04-06 20:09:54,781 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:54,789 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:54,789 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-06 20:09:54,836 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:54,837 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:54,838 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 [2018-04-06 20:09:54,839 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:54,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:54,860 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 [2018-04-06 20:09:54,861 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:54,885 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. [2018-04-06 20:09:54,885 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-06 20:09:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:54,934 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:55,114 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:55,114 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-06 20:09:55,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-06 20:09:55,116 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-06 20:09:55,116 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-06 20:09:55,117 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 10 states. [2018-04-06 20:09:55,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:09:55,325 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-04-06 20:09:55,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-06 20:09:55,326 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-04-06 20:09:55,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:09:55,327 INFO L225 Difference]: With dead ends: 53 [2018-04-06 20:09:55,327 INFO L226 Difference]: Without dead ends: 51 [2018-04-06 20:09:55,328 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 [2018-04-06 20:09:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-06 20:09:55,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-06 20:09:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-06 20:09:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-04-06 20:09:55,334 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 11 [2018-04-06 20:09:55,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:09:55,334 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-04-06 20:09:55,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-06 20:09:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-04-06 20:09:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-06 20:09:55,335 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:55,335 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:09:55,335 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:55,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1152976614, 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 [2018-04-06 20:09:55,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:55,364 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:55,396 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:55,428 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 [2018-04-06 20:09:55,429 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:55,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:55,432 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:3 [2018-04-06 20:09:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:55,458 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:55,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-06 20:09:55,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-06 20:09:55,458 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-06 20:09:55,458 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-06 20:09:55,459 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 7 states. [2018-04-06 20:09:55,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:09:55,571 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2018-04-06 20:09:55,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-06 20:09:55,572 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-04-06 20:09:55,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:09:55,573 INFO L225 Difference]: With dead ends: 60 [2018-04-06 20:09:55,573 INFO L226 Difference]: Without dead ends: 56 [2018-04-06 20:09:55,573 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-06 20:09:55,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-06 20:09:55,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2018-04-06 20:09:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-06 20:09:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-04-06 20:09:55,578 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 18 [2018-04-06 20:09:55,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:09:55,578 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-04-06 20:09:55,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-06 20:09:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-04-06 20:09:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-06 20:09:55,578 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:55,579 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:09:55,579 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:55,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1152976615, 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 [2018-04-06 20:09:55,586 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:55,603 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:55,641 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:55,699 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 [2018-04-06 20:09:55,699 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:55,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:55,704 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-04-06 20:09:55,710 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 20:09:55,711 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 20:09:55,711 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 [2018-04-06 20:09:55,712 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:55,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:55,713 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-04-06 20:09:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:55,738 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:55,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-04-06 20:09:55,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-06 20:09:55,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-06 20:09:55,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-06 20:09:55,739 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 11 states. [2018-04-06 20:09:55,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:09:55,837 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-04-06 20:09:55,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-06 20:09:55,837 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-04-06 20:09:55,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:09:55,839 INFO L225 Difference]: With dead ends: 49 [2018-04-06 20:09:55,839 INFO L226 Difference]: Without dead ends: 47 [2018-04-06 20:09:55,839 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-06 20:09:55,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-06 20:09:55,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-06 20:09:55,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-06 20:09:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-04-06 20:09:55,846 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 18 [2018-04-06 20:09:55,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:09:55,846 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-04-06 20:09:55,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-06 20:09:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-04-06 20:09:55,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-06 20:09:55,847 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:55,847 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:09:55,847 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:55,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1472836631, 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 [2018-04-06 20:09:55,856 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:55,878 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:55,986 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:56,069 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 [2018-04-06 20:09:56,070 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,075 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:3 [2018-04-06 20:09:56,088 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 [2018-04-06 20:09:56,089 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-06 20:09:56,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:56,092 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:9 [2018-04-06 20:09:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:56,123 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:56,123 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 13 [2018-04-06 20:09:56,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-06 20:09:56,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-06 20:09:56,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-06 20:09:56,124 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 14 states. [2018-04-06 20:09:56,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:09:56,299 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-04-06 20:09:56,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-06 20:09:56,299 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2018-04-06 20:09:56,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:09:56,300 INFO L225 Difference]: With dead ends: 47 [2018-04-06 20:09:56,300 INFO L226 Difference]: Without dead ends: 45 [2018-04-06 20:09:56,300 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-04-06 20:09:56,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-06 20:09:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-06 20:09:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-06 20:09:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-04-06 20:09:56,305 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 21 [2018-04-06 20:09:56,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:09:56,305 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-04-06 20:09:56,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-06 20:09:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-04-06 20:09:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-06 20:09:56,306 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:56,307 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:09:56,307 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:56,307 INFO L82 PathProgramCache]: Analyzing trace with hash 889568599, 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 [2018-04-06 20:09:56,316 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:56,339 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:56,366 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 [2018-04-06 20:09:56,368 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 [2018-04-06 20:09:56,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,370 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,373 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,373 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-06 20:09:56,392 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 [2018-04-06 20:09:56,394 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:56,395 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 [2018-04-06 20:09:56,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,408 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-06 20:09:56,461 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 22 treesize of output 16 [2018-04-06 20:09:56,463 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 3 [2018-04-06 20:09:56,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,466 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2018-04-06 20:09:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:56,484 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:56,603 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-06 20:09:56,603 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,604 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,604 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:1 [2018-04-06 20:09:56,656 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 [2018-04-06 20:09:56,658 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 [2018-04-06 20:09:56,676 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 12 treesize of output 12 [2018-04-06 20:09:56,677 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 20:09:56,685 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:56,697 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:56,699 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 [2018-04-06 20:09:56,701 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 [2018-04-06 20:09:56,701 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,702 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,708 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 [2018-04-06 20:09:56,717 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 [2018-04-06 20:09:56,742 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 [2018-04-06 20:09:56,743 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:56,756 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 [2018-04-06 20:09:56,757 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-06 20:09:56,765 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:56,785 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:56,797 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-06 20:09:56,797 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:20, output treesize:21 [2018-04-06 20:09:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:56,884 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:56,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 20 [2018-04-06 20:09:56,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-06 20:09:56,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-06 20:09:56,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2018-04-06 20:09:56,885 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 21 states. [2018-04-06 20:09:57,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:09:57,158 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-04-06 20:09:57,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-06 20:09:57,159 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 25 [2018-04-06 20:09:57,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:09:57,160 INFO L225 Difference]: With dead ends: 45 [2018-04-06 20:09:57,160 INFO L226 Difference]: Without dead ends: 44 [2018-04-06 20:09:57,161 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2018-04-06 20:09:57,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-06 20:09:57,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-06 20:09:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-06 20:09:57,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-04-06 20:09:57,167 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 25 [2018-04-06 20:09:57,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:09:57,167 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-04-06 20:09:57,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-06 20:09:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-04-06 20:09:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-06 20:09:57,168 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:57,168 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:09:57,168 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:57,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1806822861, 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 [2018-04-06 20:09:57,174 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:57,200 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:57,222 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 [2018-04-06 20:09:57,222 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,226 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,227 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-06 20:09:57,247 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 [2018-04-06 20:09:57,249 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 [2018-04-06 20:09:57,250 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,252 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,258 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-04-06 20:09:57,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:57,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:57,281 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 [2018-04-06 20:09:57,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,289 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:29 [2018-04-06 20:09:57,315 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 [2018-04-06 20:09:57,328 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:57,329 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 24 treesize of output 33 [2018-04-06 20:09:57,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,351 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,352 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-04-06 20:09:57,421 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 38 treesize of output 28 [2018-04-06 20:09:57,424 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 28 treesize of output 15 [2018-04-06 20:09:57,425 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 20:09:57,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 20:09:57,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 20:09:57,434 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:15 [2018-04-06 20:09:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:57,469 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:57,578 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:57,578 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:33, output treesize:1 [2018-04-06 20:09:57,656 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 25 treesize of output 23 [2018-04-06 20:09:57,659 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 18 treesize of output 22 [2018-04-06 20:09:57,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2018-04-06 20:09:57,689 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-06 20:09:57,712 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-06 20:09:57,723 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-06 20:09:57,729 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 33 treesize of output 37 [2018-04-06 20:09:57,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 41 [2018-04-06 20:09:57,769 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 1 case distinctions, treesize of input 22 treesize of output 22 [2018-04-06 20:09:57,771 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-06 20:09:57,790 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-06 20:09:57,805 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 32 treesize of output 35 [2018-04-06 20:09:57,826 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 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-06 20:09:57,827 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-06 20:09:57,837 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-06 20:09:57,859 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 30 treesize of output 28 [2018-04-06 20:09:57,860 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 20:09:57,877 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-06 20:09:57,880 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 [2018-04-06 20:09:57,882 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 10 treesize of output 8 [2018-04-06 20:09:57,883 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 20:09:57,887 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 20:09:57,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2018-04-06 20:09:57,918 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:32, output treesize:123 [2018-04-06 20:09:58,097 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 72 DAG size of output 46 [2018-04-06 20:09:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:58,145 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:58,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2018-04-06 20:09:58,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-06 20:09:58,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-06 20:09:58,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-04-06 20:09:58,146 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 23 states. [2018-04-06 20:09:58,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:09:58,548 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-04-06 20:09:58,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-06 20:09:58,549 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 26 [2018-04-06 20:09:58,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:09:58,551 INFO L225 Difference]: With dead ends: 47 [2018-04-06 20:09:58,551 INFO L226 Difference]: Without dead ends: 46 [2018-04-06 20:09:58,552 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2018-04-06 20:09:58,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-06 20:09:58,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-04-06 20:09:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-06 20:09:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-04-06 20:09:58,556 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 26 [2018-04-06 20:09:58,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:09:58,556 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-04-06 20:09:58,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-06 20:09:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-04-06 20:09:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-06 20:09:58,557 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:58,557 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] [2018-04-06 20:09:58,557 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:58,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1189984047, 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 [2018-04-06 20:09:58,564 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:58,592 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:58,609 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 [2018-04-06 20:09:58,610 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 8 treesize of output 7 [2018-04-06 20:09:58,611 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,612 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,616 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,616 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-06 20:09:58,635 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 [2018-04-06 20:09:58,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:58,638 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 [2018-04-06 20:09:58,638 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,642 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,646 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-06 20:09:58,687 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 22 treesize of output 16 [2018-04-06 20:09:58,691 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 3 [2018-04-06 20:09:58,691 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,693 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,694 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2018-04-06 20:09:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:58,723 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:58,843 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-06 20:09:58,844 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,844 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:1 [2018-04-06 20:09:58,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-06 20:09:58,895 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 [2018-04-06 20:09:58,910 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 12 treesize of output 12 [2018-04-06 20:09:58,910 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 20:09:58,915 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:58,924 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:58,925 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 [2018-04-06 20:09:58,927 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 [2018-04-06 20:09:58,928 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,929 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,939 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 [2018-04-06 20:09:58,944 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 [2018-04-06 20:09:58,945 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:58,965 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 [2018-04-06 20:09:58,994 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 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-06 20:09:58,994 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-06 20:09:59,008 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:59,021 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:59,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-06 20:09:59,033 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:20, output treesize:22 [2018-04-06 20:09:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:59,098 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:59,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [] total 21 [2018-04-06 20:09:59,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-06 20:09:59,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-06 20:09:59,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2018-04-06 20:09:59,099 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-04-06 20:09:59,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:09:59,356 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-04-06 20:09:59,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-06 20:09:59,357 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 28 [2018-04-06 20:09:59,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:09:59,357 INFO L225 Difference]: With dead ends: 46 [2018-04-06 20:09:59,357 INFO L226 Difference]: Without dead ends: 45 [2018-04-06 20:09:59,358 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2018-04-06 20:09:59,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-06 20:09:59,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-04-06 20:09:59,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-06 20:09:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-04-06 20:09:59,363 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-04-06 20:09:59,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:09:59,364 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-04-06 20:09:59,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-06 20:09:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-04-06 20:09:59,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-06 20:09:59,365 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:09:59,365 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] [2018-04-06 20:09:59,365 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:09:59,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1765200134, 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 [2018-04-06 20:09:59,383 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:09:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:09:59,408 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:09:59,430 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 [2018-04-06 20:09:59,430 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,433 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,434 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-06 20:09:59,445 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 [2018-04-06 20:09:59,450 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 [2018-04-06 20:09:59,450 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,452 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,458 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-04-06 20:09:59,470 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:59,471 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:59,472 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 [2018-04-06 20:09:59,472 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,481 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,481 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-04-06 20:09:59,495 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 [2018-04-06 20:09:59,500 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:09:59,501 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 [2018-04-06 20:09:59,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,506 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:14 [2018-04-06 20:09:59,568 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 [2018-04-06 20:09:59,570 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 [2018-04-06 20:09:59,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,571 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,572 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,573 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-04-06 20:09:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:59,590 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:09:59,690 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,690 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-04-06 20:09:59,767 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 [2018-04-06 20:09:59,769 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 [2018-04-06 20:09:59,803 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 20:09:59,809 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 28 [2018-04-06 20:09:59,809 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 20:09:59,811 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 9 [2018-04-06 20:09:59,812 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,814 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 20:09:59,815 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 24 treesize of output 15 [2018-04-06 20:09:59,816 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,826 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:59,830 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 20:09:59,838 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 [2018-04-06 20:09:59,840 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 20:09:59,840 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 [2018-04-06 20:09:59,841 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,848 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:09:59,857 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. [2018-04-06 20:09:59,857 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:50, output treesize:37 [2018-04-06 20:09:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 20:09:59,945 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:09:59,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15, 14] imperfect sequences [] total 25 [2018-04-06 20:09:59,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-06 20:09:59,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-06 20:09:59,946 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2018-04-06 20:09:59,946 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 25 states. [2018-04-06 20:10:00,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:10:00,269 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2018-04-06 20:10:00,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-06 20:10:00,269 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 29 [2018-04-06 20:10:00,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:10:00,270 INFO L225 Difference]: With dead ends: 50 [2018-04-06 20:10:00,270 INFO L226 Difference]: Without dead ends: 33 [2018-04-06 20:10:00,271 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=1080, Unknown=0, NotChecked=0, Total=1260 [2018-04-06 20:10:00,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-06 20:10:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-04-06 20:10:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-06 20:10:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-04-06 20:10:00,275 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 29 [2018-04-06 20:10:00,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:10:00,275 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-04-06 20:10:00,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-06 20:10:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-04-06 20:10:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-06 20:10:00,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:10:00,277 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] [2018-04-06 20:10:00,277 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-06 20:10:00,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1173553307, 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 [2018-04-06 20:10:00,283 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:10:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-06 20:10:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-06 20:10:00,360 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-06 20:10:00,381 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-06 20:10:00,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:10:00 BoogieIcfgContainer [2018-04-06 20:10:00,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-06 20:10:00,401 INFO L168 Benchmark]: Toolchain (without parser) took 7339.64 ms. Allocated memory was 302.5 MB in the beginning and 555.2 MB in the end (delta: 252.7 MB). Free memory was 239.6 MB in the beginning and 310.5 MB in the end (delta: -70.9 MB). Peak memory consumption was 181.8 MB. Max. memory is 5.3 GB. [2018-04-06 20:10:00,402 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 302.5 MB. Free memory is still 265.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-06 20:10:00,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.99 ms. Allocated memory is still 302.5 MB. Free memory was 239.6 MB in the beginning and 215.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-06 20:10:00,403 INFO L168 Benchmark]: Boogie Preprocessor took 55.15 ms. Allocated memory is still 302.5 MB. Free memory was 215.5 MB in the beginning and 212.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-06 20:10:00,403 INFO L168 Benchmark]: RCFGBuilder took 513.23 ms. Allocated memory was 302.5 MB in the beginning and 459.3 MB in the end (delta: 156.8 MB). Free memory was 212.5 MB in the beginning and 396.8 MB in the end (delta: -184.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. [2018-04-06 20:10:00,404 INFO L168 Benchmark]: TraceAbstraction took 6453.32 ms. Allocated memory was 459.3 MB in the beginning and 555.2 MB in the end (delta: 95.9 MB). Free memory was 396.8 MB in the beginning and 310.5 MB in the end (delta: 86.2 MB). Peak memory consumption was 182.2 MB. Max. memory is 5.3 GB. [2018-04-06 20:10:00,406 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 302.5 MB. Free memory is still 265.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 312.99 ms. Allocated memory is still 302.5 MB. Free memory was 239.6 MB in the beginning and 215.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.15 ms. Allocated memory is still 302.5 MB. Free memory was 215.5 MB in the beginning and 212.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 513.23 ms. Allocated memory was 302.5 MB in the beginning and 459.3 MB in the end (delta: 156.8 MB). Free memory was 212.5 MB in the beginning and 396.8 MB in the end (delta: -184.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6453.32 ms. Allocated memory was 459.3 MB in the beginning and 555.2 MB in the end (delta: 95.9 MB). Free memory was 396.8 MB in the beginning and 310.5 MB in the end (delta: 86.2 MB). Peak memory consumption was 182.2 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: 639]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 639. Possible FailurePath: [L640] FCALL TData data; VAL [data={7:0}] [L641] CALL alloc_data(&data) VAL [pdata={7:0}] [L625] EXPR, FCALL malloc(16) VAL [malloc(16)={9:0}, pdata={7:0}, pdata={7:0}] [L625] FCALL pdata->lo = malloc(16) VAL [malloc(16)={9:0}, pdata={7:0}, pdata={7:0}] [L626] EXPR, FCALL malloc(24) VAL [malloc(16)={9:0}, malloc(24)={6:0}, pdata={7:0}, pdata={7:0}] [L626] RET, FCALL pdata->hi = malloc(24) VAL [malloc(16)={9:0}, malloc(24)={6:0}, pdata={7:0}, pdata={7:0}] [L641] alloc_data(&data) VAL [data={7:0}] [L642] CALL free_data(&data) VAL [data={7:0}] [L630] EXPR, FCALL data->lo VAL [data={7:0}, data={7:0}, data->lo={9:0}] [L630] void *lo = data->lo; VAL [data={7:0}, data={7:0}, data->lo={9:0}, lo={9:0}] [L631] EXPR, FCALL data->hi VAL [data={7:0}, data={7:0}, data->hi={6:0}, lo={9:0}] [L631] void *hi = data->hi; VAL [data={7:0}, data={7:0}, data->hi={6:0}, hi={6:0}, lo={9:0}] [L632] COND FALSE !(lo == hi) VAL [data={7:0}, data={7:0}, hi={6:0}, lo={9:0}] [L636] FCALL data->lo = (void *) 0 VAL [data={7:0}, data={7:0}, hi={6:0}, lo={9:0}] [L637] RET, FCALL data->hi = (void *) 0 VAL [data={7:0}, data={7:0}, hi={6:0}, lo={9:0}] [L642] free_data(&data) VAL [data={7:0}] [L643] return 0; VAL [\result=0, data={7:0}] [L643] return 0; VAL [\result=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 58 locations, 17 error locations. UNSAFE Result, 6.4s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 287 SDtfs, 473 SDslu, 1789 SDs, 0 SdLazy, 1482 SolverSat, 103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 237 SyntacticMatches, 4 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 356 ConstructedInterpolants, 20 QuantifiedInterpolants, 56481 SizeOfPredicates, 88 NumberOfNonLiveVariables, 928 ConjunctsInSsa, 209 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-06_20-10-00-414.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-06_20-10-00-414.csv Received shutdown request...