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 0.1.23-453dfda-m [2018-04-09 20:57:42,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 20:57:42,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 20:57:42,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-09 20:57:42,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-09 20:57:42,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-09 20:57:42,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-09 20:57:42,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-09 20:57:42,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-09 20:57:42,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-09 20:57:42,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-09 20:57:42,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-09 20:57:42,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-09 20:57:42,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-09 20:57:42,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-09 20:57:42,726 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-09 20:57:42,728 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-09 20:57:42,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-09 20:57:42,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-09 20:57:42,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-09 20:57:42,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-09 20:57:42,742 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 20:57:42,765 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 20:57:42,765 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 20:57:42,765 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 20:57:42,765 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 20:57:42,766 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 20:57:42,766 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 20:57:42,767 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 20:57:42,767 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 20:57:42,767 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 20:57:42,767 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 20:57:42,768 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 20:57:42,768 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 20:57:42,768 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 20:57:42,768 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 20:57:42,768 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 20:57:42,769 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 20:57:42,769 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 20:57:42,769 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 20:57:42,769 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 20:57:42,769 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 20:57:42,769 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 20:57:42,770 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 20:57:42,770 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 20:57:42,770 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 20:57:42,770 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 20:57:42,770 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 20:57:42,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:57:42,771 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 20:57:42,771 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 20:57:42,771 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 20:57:42,771 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 20:57:42,771 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 20:57:42,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 20:57:42,771 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 20:57:42,772 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 20:57:42,772 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 20:57:42,772 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 20:57:42,773 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 20:57:42,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 20:57:42,818 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 20:57:42,821 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 20:57:42,822 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 20:57:42,822 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 20:57:42,823 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 [2018-04-09 20:57:43,103 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG51613c1cb [2018-04-09 20:57:43,290 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 20:57:43,290 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 20:57:43,291 INFO L168 CDTParser]: Scanning test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,301 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 20:57:43,301 INFO L215 ultiparseSymbolTable]: [2018-04-09 20:57:43,301 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 20:57:43,302 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,302 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 [2018-04-09 20:57:43,302 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 [2018-04-09 20:57:43,302 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 20:57:43,302 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 [2018-04-09 20:57:43,302 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 [2018-04-09 20:57:43,302 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 [2018-04-09 20:57:43,302 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 [2018-04-09 20:57:43,302 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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20:57:43,303 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 [2018-04-09 20:57:43,303 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 [2018-04-09 20:57:43,303 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 [2018-04-09 20:57:43,303 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 [2018-04-09 20:57:43,303 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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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 [2018-04-09 20:57:43,304 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 [2018-04-09 20:57:43,304 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 [2018-04-09 20:57:43,304 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 [2018-04-09 20:57:43,304 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 [2018-04-09 20:57:43,304 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 [2018-04-09 20:57:43,304 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 [2018-04-09 20:57:43,304 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 [2018-04-09 20:57:43,304 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 [2018-04-09 20:57:43,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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20:57:43,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____quad_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,305 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 [2018-04-09 20:57:43,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____mode_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,306 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 [2018-04-09 20:57:43,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_spinlock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____sigset_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,306 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 [2018-04-09 20:57:43,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int16_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,306 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 [2018-04-09 20:57:43,306 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 [2018-04-09 20:57:43,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__TData in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__div_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_long 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test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,309 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,310 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,311 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,312 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 [2018-04-09 20:57:43,313 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 [2018-04-09 20:57:43,313 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 [2018-04-09 20:57:43,313 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 [2018-04-09 20:57:43,313 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 [2018-04-09 20:57:43,313 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 [2018-04-09 20:57:43,313 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 [2018-04-09 20:57:43,313 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 [2018-04-09 20:57:43,313 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 [2018-04-09 20:57:43,314 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 [2018-04-09 20:57:43,314 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 [2018-04-09 20:57:43,314 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 [2018-04-09 20:57:43,314 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 [2018-04-09 20:57:43,314 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 [2018-04-09 20:57:43,332 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG51613c1cb [2018-04-09 20:57:43,337 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 20:57:43,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 20:57:43,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 20:57:43,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 20:57:43,346 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 20:57:43,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3242ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43, skipping insertion in model container [2018-04-09 20:57:43,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,364 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:57:43,396 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 20:57:43,556 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:57:43,602 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 20:57:43,608 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-09 20:57:43,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43 WrapperNode [2018-04-09 20:57:43,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 20:57:43,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 20:57:43,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 20:57:43,660 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 20:57:43,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (1/1) ... [2018-04-09 20:57:43,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 20:57:43,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 20:57:43,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 20:57:43,718 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 20:57:43,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 20:57:43,853 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 20:57:43,853 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 20:57:43,853 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data [2018-04-09 20:57:43,853 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data [2018-04-09 20:57:43,853 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 20:57:43,854 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 20:57:43,855 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 20:57:43,856 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 20:57:43,856 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 20:57:43,856 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 20:57:43,856 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 20:57:43,856 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 20:57:43,856 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 20:57:43,856 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 20:57:43,856 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 20:57:43,857 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 20:57:43,857 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 20:57:43,857 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 20:57:43,857 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 20:57:43,857 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 20:57:43,857 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 20:57:43,857 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 20:57:43,858 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 20:57:43,858 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 20:57:43,858 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 20:57:43,858 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 20:57:43,858 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 20:57:43,858 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 20:57:43,858 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 20:57:43,859 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 20:57:43,859 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 20:57:43,859 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 20:57:43,859 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 20:57:43,859 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 20:57:43,859 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 20:57:43,859 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 20:57:43,859 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 20:57:43,860 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 20:57:43,860 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 20:57:43,860 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 20:57:43,860 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 20:57:43,860 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 20:57:43,860 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 20:57:43,860 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 20:57:43,860 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 20:57:43,861 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 20:57:43,861 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 20:57:43,861 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 20:57:43,861 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 20:57:43,861 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 20:57:43,861 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 20:57:43,861 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 20:57:43,862 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-09 20:57:43,862 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 20:57:43,862 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 20:57:43,862 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 20:57:43,862 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 20:57:43,862 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 20:57:43,862 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 20:57:43,862 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 20:57:43,863 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 20:57:43,863 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 20:57:43,863 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 20:57:43,863 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 20:57:43,863 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 20:57:43,863 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 20:57:43,863 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 20:57:43,863 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 20:57:43,864 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 20:57:43,864 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 20:57:43,864 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 20:57:43,864 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 20:57:43,864 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 20:57:43,864 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 20:57:43,864 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 20:57:43,864 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 20:57:43,865 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 20:57:43,865 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 20:57:43,865 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 20:57:43,865 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 20:57:43,865 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 20:57:43,865 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 20:57:43,865 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 20:57:43,866 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 20:57:43,866 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 20:57:43,866 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 20:57:43,866 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 20:57:43,866 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 20:57:43,866 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 20:57:43,866 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data [2018-04-09 20:57:43,866 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 20:57:43,867 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-09 20:57:43,867 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data [2018-04-09 20:57:43,867 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-09 20:57:43,867 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 20:57:43,867 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 20:57:43,867 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 20:57:43,867 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 20:57:44,191 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 20:57:44,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:57:44 BoogieIcfgContainer [2018-04-09 20:57:44,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 20:57:44,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 20:57:44,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 20:57:44,195 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 20:57:44,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 08:57:43" (1/3) ... [2018-04-09 20:57:44,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd009f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:57:44, skipping insertion in model container [2018-04-09 20:57:44,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 08:57:43" (2/3) ... [2018-04-09 20:57:44,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fd009f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 08:57:44, skipping insertion in model container [2018-04-09 20:57:44,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 08:57:44" (3/3) ... [2018-04-09 20:57:44,199 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_false-valid-memtrack_true-termination.i [2018-04-09 20:57:44,208 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 20:57:44,215 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-09 20:57:44,255 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 20:57:44,256 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 20:57:44,256 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 20:57:44,256 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 20:57:44,256 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 20:57:44,256 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 20:57:44,256 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 20:57:44,256 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 20:57:44,256 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 20:57:44,257 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 20:57:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-04-09 20:57:44,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-09 20:57:44,278 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:44,278 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:57:44,278 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]=== [2018-04-09 20:57:44,282 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 [2018-04-09 20:57:44,295 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:44,339 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:44,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:57:44,384 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:44,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:44,392 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 20:57:44,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:44,434 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:44,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-09 20:57:44,437 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:44,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:57:44,447 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-09 20:57:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:44,470 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:44,608 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:44,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-09 20:57:44,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 20:57:44,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 20:57:44,627 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-09 20:57:44,630 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 9 states. [2018-04-09 20:57:44,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:44,887 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-04-09 20:57:44,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 20:57:44,889 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-04-09 20:57:44,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:44,902 INFO L225 Difference]: With dead ends: 58 [2018-04-09 20:57:44,902 INFO L226 Difference]: Without dead ends: 53 [2018-04-09 20:57:44,906 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-04-09 20:57:44,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-09 20:57:44,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-09 20:57:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-09 20:57:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-04-09 20:57:44,951 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 11 [2018-04-09 20:57:44,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:44,952 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-04-09 20:57:44,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 20:57:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-04-09 20:57:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-09 20:57:44,953 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:44,953 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:57:44,953 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]=== [2018-04-09 20:57:44,953 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 [2018-04-09 20:57:44,965 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:44,986 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:45,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:57:45,005 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:45,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:57:45,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:45,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:45,031 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-09 20:57:45,069 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:45,070 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:45,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-09 20:57:45,072 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:45,089 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:45,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-09 20:57:45,090 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:45,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:57:45,118 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-09 20:57:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:45,139 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:45,312 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:45,312 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-09 20:57:45,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-09 20:57:45,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-09 20:57:45,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-09 20:57:45,315 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 10 states. [2018-04-09 20:57:45,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:45,521 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-04-09 20:57:45,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 20:57:45,522 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2018-04-09 20:57:45,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:45,523 INFO L225 Difference]: With dead ends: 53 [2018-04-09 20:57:45,523 INFO L226 Difference]: Without dead ends: 51 [2018-04-09 20:57:45,525 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-04-09 20:57:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-09 20:57:45,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-09 20:57:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-09 20:57:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-04-09 20:57:45,530 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 11 [2018-04-09 20:57:45,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:45,531 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-04-09 20:57:45,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-09 20:57:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-04-09 20:57:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-09 20:57:45,531 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:45,531 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:57:45,532 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]=== [2018-04-09 20:57:45,532 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 [2018-04-09 20:57:45,543 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:45,562 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:45,610 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:45,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 7 [2018-04-09 20:57:45,639 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:45,643 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:45,643 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:3 [2018-04-09 20:57:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:45,692 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:45,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-09 20:57:45,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 20:57:45,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 20:57:45,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-09 20:57:45,693 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 7 states. [2018-04-09 20:57:45,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:45,859 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2018-04-09 20:57:45,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-09 20:57:45,860 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-04-09 20:57:45,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:45,861 INFO L225 Difference]: With dead ends: 60 [2018-04-09 20:57:45,861 INFO L226 Difference]: Without dead ends: 56 [2018-04-09 20:57:45,862 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 [2018-04-09 20:57:45,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-09 20:57:45,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2018-04-09 20:57:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-09 20:57:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-04-09 20:57:45,868 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 18 [2018-04-09 20:57:45,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:45,869 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-04-09 20:57:45,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 20:57:45,869 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-04-09 20:57:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-09 20:57:45,869 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:45,869 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 20:57:45,869 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]=== [2018-04-09 20:57:45,870 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 [2018-04-09 20:57:45,876 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:45,895 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:45,955 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:46,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-09 20:57:46,006 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,009 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:46,009 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-04-09 20:57:46,014 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 20:57:46,015 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 20:57:46,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2018-04-09 20:57:46,016 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-04-09 20:57:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:46,044 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:46,044 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-04-09 20:57:46,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-09 20:57:46,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-09 20:57:46,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-09 20:57:46,045 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 11 states. [2018-04-09 20:57:46,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:46,134 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-04-09 20:57:46,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 20:57:46,134 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-04-09 20:57:46,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:46,135 INFO L225 Difference]: With dead ends: 49 [2018-04-09 20:57:46,135 INFO L226 Difference]: Without dead ends: 47 [2018-04-09 20:57:46,136 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 [2018-04-09 20:57:46,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-09 20:57:46,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-09 20:57:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-09 20:57:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-04-09 20:57:46,140 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 18 [2018-04-09 20:57:46,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:46,140 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-04-09 20:57:46,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-09 20:57:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-04-09 20:57:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-09 20:57:46,141 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:46,141 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] [2018-04-09 20:57:46,141 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]=== [2018-04-09 20:57:46,141 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 [2018-04-09 20:57:46,151 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:46,172 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:46,251 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:46,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-04-09 20:57:46,338 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,343 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,343 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:3 [2018-04-09 20:57:46,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2018-04-09 20:57:46,357 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-09 20:57:46,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:46,360 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:9 [2018-04-09 20:57:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:46,389 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:46,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 13 [2018-04-09 20:57:46,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 20:57:46,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 20:57:46,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-04-09 20:57:46,390 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 14 states. [2018-04-09 20:57:46,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:46,588 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-04-09 20:57:46,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 20:57:46,588 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2018-04-09 20:57:46,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:46,589 INFO L225 Difference]: With dead ends: 47 [2018-04-09 20:57:46,589 INFO L226 Difference]: Without dead ends: 45 [2018-04-09 20:57:46,589 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-04-09 20:57:46,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-09 20:57:46,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-09 20:57:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-09 20:57:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-04-09 20:57:46,594 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 21 [2018-04-09 20:57:46,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:46,594 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-04-09 20:57:46,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 20:57:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-04-09 20:57:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-09 20:57:46,595 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:46,596 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] [2018-04-09 20:57:46,596 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]=== [2018-04-09 20:57:46,596 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 [2018-04-09 20:57:46,606 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:46,625 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:46,644 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 20:57:46,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 20:57:46,647 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,648 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,652 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,652 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-09 20:57:46,672 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-09 20:57:46,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:46,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-09 20:57:46,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,679 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,683 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-09 20:57:46,739 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 [2018-04-09 20:57:46,741 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 [2018-04-09 20:57:46,741 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,742 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,743 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2018-04-09 20:57:46,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:46,763 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:46,863 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:57:46,863 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,864 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,864 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:1 [2018-04-09 20:57:46,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-09 20:57:46,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-04-09 20:57:46,940 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 [2018-04-09 20:57:46,941 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 20:57:46,947 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:46,960 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:46,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-09 20:57:46,963 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 20:57:46,963 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,964 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:46,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2018-04-09 20:57:46,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2018-04-09 20:57:47,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2018-04-09 20:57:47,004 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-09 20:57:47,017 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-09 20:57:47,025 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:47,044 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:47,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 20:57:47,056 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:20, output treesize:21 [2018-04-09 20:57:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:47,132 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:47,133 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 20 [2018-04-09 20:57:47,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-09 20:57:47,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-09 20:57:47,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2018-04-09 20:57:47,134 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 21 states. [2018-04-09 20:57:47,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:47,364 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-04-09 20:57:47,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-09 20:57:47,364 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 25 [2018-04-09 20:57:47,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:47,365 INFO L225 Difference]: With dead ends: 45 [2018-04-09 20:57:47,365 INFO L226 Difference]: Without dead ends: 44 [2018-04-09 20:57:47,366 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 [2018-04-09 20:57:47,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-09 20:57:47,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-09 20:57:47,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-09 20:57:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-04-09 20:57:47,371 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 25 [2018-04-09 20:57:47,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:47,371 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-04-09 20:57:47,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-09 20:57:47,372 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-04-09 20:57:47,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-09 20:57:47,373 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:47,373 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] [2018-04-09 20:57:47,373 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]=== [2018-04-09 20:57:47,373 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 [2018-04-09 20:57:47,381 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:47,408 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:47,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:57:47,434 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,438 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,439 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 20:57:47,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 20:57:47,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 20:57:47,462 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,463 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-04-09 20:57:47,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:47,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:47,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 33 [2018-04-09 20:57:47,484 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,491 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,492 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:29 [2018-04-09 20:57:47,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2018-04-09 20:57:47,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:47,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2018-04-09 20:57:47,528 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,549 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,576 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:35 [2018-04-09 20:57:47,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2018-04-09 20:57:47,651 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 [2018-04-09 20:57:47,652 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:57:47,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:57:47,661 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. [2018-04-09 20:57:47,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:15 [2018-04-09 20:57:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:47,697 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:47,805 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:47,806 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:33, output treesize:1 [2018-04-09 20:57:47,876 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 [2018-04-09 20:57:47,878 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 [2018-04-09 20:57:47,898 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 [2018-04-09 20:57:47,899 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 20:57:47,924 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 20:57:47,935 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 20:57:47,942 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 [2018-04-09 20:57:47,951 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 [2018-04-09 20:57:47,984 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 [2018-04-09 20:57:47,986 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 20:57:48,006 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. [2018-04-09 20:57:48,022 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 [2018-04-09 20:57:48,043 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 [2018-04-09 20:57:48,044 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 20:57:48,054 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 20:57:48,076 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 [2018-04-09 20:57:48,077 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:57:48,095 INFO L267 ElimStorePlain]: Start of recursive call 5: 3 dim-1 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-04-09 20:57:48,098 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-09 20:57:48,100 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 [2018-04-09 20:57:48,101 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:57:48,105 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 20:57:48,135 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. [2018-04-09 20:57:48,135 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:32, output treesize:123 [2018-04-09 20:57:48,316 WARN L151 SmtUtils]: Spent 143ms on a formula simplification. DAG size of input: 72 DAG size of output 46 [2018-04-09 20:57:48,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:48,367 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:48,367 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2018-04-09 20:57:48,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-09 20:57:48,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-09 20:57:48,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-04-09 20:57:48,368 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 23 states. [2018-04-09 20:57:48,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:48,782 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-04-09 20:57:48,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-09 20:57:48,783 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 26 [2018-04-09 20:57:48,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:48,786 INFO L225 Difference]: With dead ends: 47 [2018-04-09 20:57:48,786 INFO L226 Difference]: Without dead ends: 46 [2018-04-09 20:57:48,787 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 [2018-04-09 20:57:48,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-09 20:57:48,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-04-09 20:57:48,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-09 20:57:48,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-04-09 20:57:48,792 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 26 [2018-04-09 20:57:48,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:48,793 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-04-09 20:57:48,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-09 20:57:48,793 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-04-09 20:57:48,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-09 20:57:48,794 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:48,794 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] [2018-04-09 20:57:48,794 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]=== [2018-04-09 20:57:48,795 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 [2018-04-09 20:57:48,803 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:48,830 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:48,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 20:57:48,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 20:57:48,876 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,882 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,882 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-09 20:57:48,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-09 20:57:48,907 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:48,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-09 20:57:48,908 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,913 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,917 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-09 20:57:48,969 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 [2018-04-09 20:57:48,971 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 [2018-04-09 20:57:48,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:48,974 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2018-04-09 20:57:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:48,998 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:49,118 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-09 20:57:49,118 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,118 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,119 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:1 [2018-04-09 20:57:49,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-09 20:57:49,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-04-09 20:57:49,182 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 [2018-04-09 20:57:49,182 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 20:57:49,187 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:49,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:49,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-09 20:57:49,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 20:57:49,197 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,198 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2018-04-09 20:57:49,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-09 20:57:49,216 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 31 [2018-04-09 20:57:49,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2018-04-09 20:57:49,267 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-04-09 20:57:49,281 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:49,294 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:49,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 20:57:49,305 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 1 variables, input treesize:20, output treesize:22 [2018-04-09 20:57:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:49,370 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:49,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13, 12] imperfect sequences [] total 21 [2018-04-09 20:57:49,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-09 20:57:49,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-09 20:57:49,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2018-04-09 20:57:49,371 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-04-09 20:57:49,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:49,636 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-04-09 20:57:49,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-09 20:57:49,637 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 28 [2018-04-09 20:57:49,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:49,637 INFO L225 Difference]: With dead ends: 46 [2018-04-09 20:57:49,637 INFO L226 Difference]: Without dead ends: 45 [2018-04-09 20:57:49,638 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2018-04-09 20:57:49,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-09 20:57:49,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2018-04-09 20:57:49,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-09 20:57:49,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-04-09 20:57:49,641 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-04-09 20:57:49,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:49,642 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-04-09 20:57:49,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-09 20:57:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-04-09 20:57:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-09 20:57:49,642 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:49,642 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] [2018-04-09 20:57:49,642 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]=== [2018-04-09 20:57:49,643 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 [2018-04-09 20:57:49,651 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 20:57:49,672 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 20:57:49,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 20:57:49,680 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,683 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,683 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 20:57:49,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 20:57:49,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-09 20:57:49,697 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,698 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,704 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-04-09 20:57:49,713 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:49,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:49,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-04-09 20:57:49,715 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,719 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:15 [2018-04-09 20:57:49,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-04-09 20:57:49,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 20:57:49,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-09 20:57:49,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:14 [2018-04-09 20:57:49,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2018-04-09 20:57:49,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 4 [2018-04-09 20:57:49,804 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,805 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,806 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,806 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:4 [2018-04-09 20:57:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:49,823 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 20:57:49,925 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:49,926 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:29, output treesize:1 [2018-04-09 20:57:50,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-04-09 20:57:50,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 27 [2018-04-09 20:57:50,038 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 20:57:50,044 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 [2018-04-09 20:57:50,045 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 20:57:50,046 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 [2018-04-09 20:57:50,047 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:50,049 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 20:57:50,050 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 [2018-04-09 20:57:50,051 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:50,061 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:50,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 20:57:50,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-09 20:57:50,068 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 20:57:50,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 10 [2018-04-09 20:57:50,069 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 20:57:50,074 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 20:57:50,083 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-04-09 20:57:50,084 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:50, output treesize:37 [2018-04-09 20:57:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 20:57:50,171 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 20:57:50,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15, 14] imperfect sequences [] total 25 [2018-04-09 20:57:50,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-09 20:57:50,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-09 20:57:50,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2018-04-09 20:57:50,172 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 25 states. [2018-04-09 20:57:50,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 20:57:50,504 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2018-04-09 20:57:50,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-09 20:57:50,504 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 29 [2018-04-09 20:57:50,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 20:57:50,505 INFO L225 Difference]: With dead ends: 50 [2018-04-09 20:57:50,505 INFO L226 Difference]: Without dead ends: 33 [2018-04-09 20:57:50,506 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 [2018-04-09 20:57:50,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-09 20:57:50,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-04-09 20:57:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-09 20:57:50,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-04-09 20:57:50,509 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 29 [2018-04-09 20:57:50,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 20:57:50,516 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-04-09 20:57:50,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-09 20:57:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-04-09 20:57:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-09 20:57:50,517 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 20:57:50,517 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] [2018-04-09 20:57:50,517 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]=== [2018-04-09 20:57:50,518 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 [2018-04-09 20:57:50,524 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 20:57:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-09 20:57:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-09 20:57:50,614 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-09 20:57:50,631 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-09 20:57:50,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 08:57:50 BoogieIcfgContainer [2018-04-09 20:57:50,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 20:57:50,652 INFO L168 Benchmark]: Toolchain (without parser) took 7314.79 ms. Allocated memory was 301.5 MB in the beginning and 580.4 MB in the end (delta: 278.9 MB). Free memory was 237.0 MB in the beginning and 535.1 MB in the end (delta: -298.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 20:57:50,654 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 301.5 MB. Free memory is still 263.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 20:57:50,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.31 ms. Allocated memory is still 301.5 MB. Free memory was 237.0 MB in the beginning and 213.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-09 20:57:50,654 INFO L168 Benchmark]: Boogie Preprocessor took 57.20 ms. Allocated memory is still 301.5 MB. Free memory was 213.1 MB in the beginning and 210.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-09 20:57:50,655 INFO L168 Benchmark]: RCFGBuilder took 474.27 ms. Allocated memory was 301.5 MB in the beginning and 460.8 MB in the end (delta: 159.4 MB). Free memory was 210.1 MB in the beginning and 398.8 MB in the end (delta: -188.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 5.3 GB. [2018-04-09 20:57:50,655 INFO L168 Benchmark]: TraceAbstraction took 6458.74 ms. Allocated memory was 460.8 MB in the beginning and 580.4 MB in the end (delta: 119.5 MB). Free memory was 398.8 MB in the beginning and 535.1 MB in the end (delta: -136.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 20:57:50,657 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 301.5 MB. Free memory is still 263.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 319.31 ms. Allocated memory is still 301.5 MB. Free memory was 237.0 MB in the beginning and 213.1 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.20 ms. Allocated memory is still 301.5 MB. Free memory was 213.1 MB in the beginning and 210.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 474.27 ms. Allocated memory was 301.5 MB in the beginning and 460.8 MB in the end (delta: 159.4 MB). Free memory was 210.1 MB in the beginning and 398.8 MB in the end (delta: -188.7 MB). Peak memory consumption was 21.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6458.74 ms. Allocated memory was 460.8 MB in the beginning and 580.4 MB in the end (delta: 119.5 MB). Free memory was 398.8 MB in the beginning and 535.1 MB in the end (delta: -136.2 MB). There was no memory consumed. 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, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 287 SDtfs, 473 SDslu, 1789 SDs, 0 SdLazy, 1482 SolverSat, 103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 237 SyntacticMatches, 4 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 2.5s 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, 3.3s 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-0-2018-04-09_20-57-50-666.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-0-2018-04-09_20-57-50-666.csv Received shutdown request...