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 --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 11:28:36,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 11:28:36,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 11:28:36,986 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 11:28:36,986 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 11:28:36,987 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 11:28:36,988 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 11:28:36,989 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 11:28:36,991 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 11:28:36,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 11:28:36,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 11:28:36,992 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 11:28:36,993 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 11:28:36,994 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 11:28:36,994 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 11:28:36,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 11:28:36,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 11:28:36,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 11:28:36,999 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 11:28:37,000 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 11:28:37,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-13 11:28:37,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-13 11:28:37,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-13 11:28:37,003 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-13 11:28:37,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-13 11:28:37,004 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-13 11:28:37,004 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-13 11:28:37,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-13 11:28:37,005 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-13 11:28:37,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 11:28:37,006 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 11:28:37,006 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 11:28:37,016 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 11:28:37,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 11:28:37,017 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 11:28:37,017 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 11:28:37,017 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 11:28:37,017 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 11:28:37,017 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 11:28:37,018 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 11:28:37,018 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 11:28:37,018 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 11:28:37,018 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 11:28:37,018 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 11:28:37,018 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 11:28:37,018 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 11:28:37,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 11:28:37,019 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 11:28:37,019 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 11:28:37,019 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 11:28:37,019 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 11:28:37,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 11:28:37,019 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 11:28:37,020 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 11:28:37,020 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 11:28:37,020 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 11:28:37,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 11:28:37,059 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 11:28:37,062 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 11:28:37,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 11:28:37,064 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 11:28:37,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,467 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0b1a513ed [2018-04-13 11:28:37,608 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 11:28:37,609 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 11:28:37,609 INFO L168 CDTParser]: Scanning simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,616 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 11:28:37,617 INFO L215 ultiparseSymbolTable]: [2018-04-13 11:28:37,617 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 11:28:37,617 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__exit ('exit') in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,617 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,617 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 11:28:37,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____int64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fd_mask in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__nlink_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_attr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____sig_atomic_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__id_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_condattr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_once_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_int in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int8_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__dev_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____daddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____key_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uint8_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__register_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int16_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__off_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__quad_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsblkcnt64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____clockid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____useconds_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsfilcnt64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__loff_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ushort in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_quad_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__wchar_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ldiv_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____swblk_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ino_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_barrier_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____gid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____pid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_mutexattr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____quad_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____ssize_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____ino64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____blkcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____timer_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__clockid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____int32_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__sigset_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int32_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____nlink_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__timer_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ssize_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fd_mask in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uint64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_rwlockattr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__key_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__uint in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__int32_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____off_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____blkcnt64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fsfilcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_char in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____blksize_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____dev_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsblkcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__int16_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_key_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__blksize_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____qaddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__lldiv_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____off64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_rwlock_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__uid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____rlim64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____id_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fsblkcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__div_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uint32_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_char in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__blkcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_barrierattr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____suseconds_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,623 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__time_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____pthread_list_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_mutex_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_quad_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__List in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____rlim_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____intptr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__int8_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____mode_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__daddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____ino_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____time_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,624 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____socklen_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____loff_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsfilcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__int64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_cond_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____int16_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__size_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uint16_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____WAIT_STATUS in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_long in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____clock_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ulong in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_spinlock_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____int8_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,625 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fsid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__mode_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_short in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____sigset_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__caddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_short in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__gid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__suseconds_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__clock_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____caddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fd_set in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,626 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_long in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:37,640 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG0b1a513ed [2018-04-13 11:28:37,644 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 11:28:37,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 11:28:37,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 11:28:37,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 11:28:37,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 11:28:37,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c4ea04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37, skipping insertion in model container [2018-04-13 11:28:37,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,663 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 11:28:37,684 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 11:28:37,806 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 11:28:37,844 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 11:28:37,850 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-13 11:28:37,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37 WrapperNode [2018-04-13 11:28:37,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 11:28:37,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 11:28:37,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 11:28:37,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 11:28:37,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (1/1) ... [2018-04-13 11:28:37,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 11:28:37,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 11:28:37,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 11:28:37,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 11:28:37,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-04-13 11:28:38,000 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 11:28:38,000 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 11:28:38,000 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__exit [2018-04-13 11:28:38,000 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 11:28:38,000 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 11:28:38,000 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-13 11:28:38,000 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 11:28:38,000 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 11:28:38,001 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 11:28:38,002 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 11:28:38,003 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__exit [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 11:28:38,004 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 11:28:38,005 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 11:28:38,006 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 11:28:38,007 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 11:28:38,008 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 11:28:38,008 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 11:28:38,008 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 11:28:38,008 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 11:28:38,008 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 11:28:38,008 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 11:28:38,008 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 11:28:38,009 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 11:28:38,009 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 11:28:38,009 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 11:28:38,009 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 11:28:38,009 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 11:28:38,009 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 11:28:38,268 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 11:28:38,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 11:28:38 BoogieIcfgContainer [2018-04-13 11:28:38,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 11:28:38,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 11:28:38,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 11:28:38,271 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 11:28:38,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 11:28:37" (1/3) ... [2018-04-13 11:28:38,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1f7b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 11:28:38, skipping insertion in model container [2018-04-13 11:28:38,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 11:28:37" (2/3) ... [2018-04-13 11:28:38,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1f7b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 11:28:38, skipping insertion in model container [2018-04-13 11:28:38,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 11:28:38" (3/3) ... [2018-04-13 11:28:38,274 INFO L107 eAbstractionObserver]: Analyzing ICFG simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-13 11:28:38,281 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 11:28:38,286 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-13 11:28:38,315 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 11:28:38,316 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 11:28:38,316 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 11:28:38,316 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 11:28:38,316 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 11:28:38,316 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 11:28:38,316 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 11:28:38,316 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 11:28:38,316 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 11:28:38,316 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 11:28:38,324 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-04-13 11:28:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-13 11:28:38,329 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:38,329 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:38,330 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:38,332 INFO L82 PathProgramCache]: Analyzing trace with hash -955294840, now seen corresponding path program 1 times [2018-04-13 11:28:38,333 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:38,333 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:38,363 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:38,363 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:38,387 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:38,409 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:38,409 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 11:28:38,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-13 11:28:38,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-13 11:28:38,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-13 11:28:38,419 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-04-13 11:28:38,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:38,431 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2018-04-13 11:28:38,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-13 11:28:38,432 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-04-13 11:28:38,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:38,437 INFO L225 Difference]: With dead ends: 38 [2018-04-13 11:28:38,438 INFO L226 Difference]: Without dead ends: 31 [2018-04-13 11:28:38,439 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-13 11:28:38,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-13 11:28:38,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-04-13 11:28:38,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-04-13 11:28:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-04-13 11:28:38,459 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 9 [2018-04-13 11:28:38,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:38,459 INFO L459 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-04-13 11:28:38,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-13 11:28:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-04-13 11:28:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-13 11:28:38,459 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:38,460 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:38,460 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:38,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1498630642, now seen corresponding path program 1 times [2018-04-13 11:28:38,460 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:38,460 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:38,460 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:38,461 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:38,469 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:38,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:38,497 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:38,497 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 11:28:38,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 11:28:38,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 11:28:38,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 11:28:38,499 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 3 states. [2018-04-13 11:28:38,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:38,524 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-04-13 11:28:38,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 11:28:38,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-13 11:28:38,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:38,525 INFO L225 Difference]: With dead ends: 46 [2018-04-13 11:28:38,525 INFO L226 Difference]: Without dead ends: 45 [2018-04-13 11:28:38,526 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 11:28:38,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-13 11:28:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 40. [2018-04-13 11:28:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-13 11:28:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-04-13 11:28:38,528 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 12 [2018-04-13 11:28:38,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:38,528 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-04-13 11:28:38,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 11:28:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-04-13 11:28:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-13 11:28:38,529 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:38,529 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:38,529 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:38,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1498630597, now seen corresponding path program 1 times [2018-04-13 11:28:38,529 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:38,529 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:38,530 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:38,530 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:38,536 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:38,550 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:38,550 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:28:38,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 11:28:38,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 11:28:38,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 11:28:38,551 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 3 states. [2018-04-13 11:28:38,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:38,582 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-04-13 11:28:38,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 11:28:38,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-13 11:28:38,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:38,584 INFO L225 Difference]: With dead ends: 46 [2018-04-13 11:28:38,584 INFO L226 Difference]: Without dead ends: 44 [2018-04-13 11:28:38,584 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 11:28:38,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-13 11:28:38,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 34. [2018-04-13 11:28:38,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-13 11:28:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-04-13 11:28:38,588 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 12 [2018-04-13 11:28:38,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:38,588 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-04-13 11:28:38,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 11:28:38,588 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-04-13 11:28:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-13 11:28:38,589 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:38,589 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:38,589 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:38,589 INFO L82 PathProgramCache]: Analyzing trace with hash 788287509, now seen corresponding path program 1 times [2018-04-13 11:28:38,589 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:38,589 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:38,590 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:38,590 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:38,600 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:38,622 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:38,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:28:38,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 11:28:38,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 11:28:38,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 11:28:38,623 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 4 states. [2018-04-13 11:28:38,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:38,659 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-04-13 11:28:38,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 11:28:38,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-13 11:28:38,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:38,660 INFO L225 Difference]: With dead ends: 34 [2018-04-13 11:28:38,660 INFO L226 Difference]: Without dead ends: 34 [2018-04-13 11:28:38,660 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:28:38,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-13 11:28:38,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-04-13 11:28:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-13 11:28:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-04-13 11:28:38,663 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 13 [2018-04-13 11:28:38,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:38,664 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-04-13 11:28:38,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 11:28:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-04-13 11:28:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-13 11:28:38,664 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:38,664 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:38,664 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:38,665 INFO L82 PathProgramCache]: Analyzing trace with hash 788287510, now seen corresponding path program 1 times [2018-04-13 11:28:38,665 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:38,665 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:38,666 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:38,666 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:38,675 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:38,711 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:38,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:28:38,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 11:28:38,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 11:28:38,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 11:28:38,712 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 4 states. [2018-04-13 11:28:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:38,749 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2018-04-13 11:28:38,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 11:28:38,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-13 11:28:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:38,749 INFO L225 Difference]: With dead ends: 32 [2018-04-13 11:28:38,749 INFO L226 Difference]: Without dead ends: 32 [2018-04-13 11:28:38,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:28:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-13 11:28:38,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2018-04-13 11:28:38,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-04-13 11:28:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-04-13 11:28:38,751 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 13 [2018-04-13 11:28:38,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:38,752 INFO L459 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-04-13 11:28:38,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 11:28:38,752 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-04-13 11:28:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-13 11:28:38,752 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:38,752 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:38,752 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:38,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2060901191, now seen corresponding path program 1 times [2018-04-13 11:28:38,752 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:38,752 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:38,753 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:38,753 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:38,760 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:38,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:38,785 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:38,785 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 11:28:38,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:28:38,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:28:38,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:28:38,786 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 5 states. [2018-04-13 11:28:38,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:38,827 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-04-13 11:28:38,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:28:38,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-13 11:28:38,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:38,829 INFO L225 Difference]: With dead ends: 46 [2018-04-13 11:28:38,829 INFO L226 Difference]: Without dead ends: 46 [2018-04-13 11:28:38,829 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:28:38,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-13 11:28:38,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 32. [2018-04-13 11:28:38,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-13 11:28:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-04-13 11:28:38,832 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 21 [2018-04-13 11:28:38,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:38,832 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-04-13 11:28:38,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:28:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-04-13 11:28:38,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-13 11:28:38,833 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:38,833 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:38,833 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:38,833 INFO L82 PathProgramCache]: Analyzing trace with hash 2060901236, now seen corresponding path program 1 times [2018-04-13 11:28:38,833 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:38,833 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:38,834 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:38,834 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:38,844 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:38,888 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:38,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 11:28:38,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 11:28:38,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 11:28:38,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:28:38,889 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 5 states. [2018-04-13 11:28:38,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:38,947 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-04-13 11:28:38,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:28:38,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-13 11:28:38,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:38,948 INFO L225 Difference]: With dead ends: 44 [2018-04-13 11:28:38,948 INFO L226 Difference]: Without dead ends: 44 [2018-04-13 11:28:38,948 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 11:28:38,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-13 11:28:38,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 35. [2018-04-13 11:28:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-13 11:28:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-04-13 11:28:38,950 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 21 [2018-04-13 11:28:38,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:38,950 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-04-13 11:28:38,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 11:28:38,950 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-04-13 11:28:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-13 11:28:38,950 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:38,950 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:38,950 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:38,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2060901235, now seen corresponding path program 1 times [2018-04-13 11:28:38,951 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:38,951 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:38,951 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:38,951 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 11:28:38,957 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 11:28:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 11:28:38,978 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 11:28:38,978 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 11:28:38,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 11:28:38,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 11:28:38,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 11:28:38,979 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states. [2018-04-13 11:28:39,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 11:28:39,023 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-04-13 11:28:39,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 11:28:39,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-04-13 11:28:39,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 11:28:39,023 INFO L225 Difference]: With dead ends: 40 [2018-04-13 11:28:39,024 INFO L226 Difference]: Without dead ends: 40 [2018-04-13 11:28:39,024 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 11:28:39,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-13 11:28:39,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2018-04-13 11:28:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-13 11:28:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-04-13 11:28:39,026 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 21 [2018-04-13 11:28:39,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 11:28:39,026 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-04-13 11:28:39,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 11:28:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-04-13 11:28:39,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-13 11:28:39,026 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 11:28:39,026 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 11:28:39,026 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 11:28:39,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1722196469, now seen corresponding path program 1 times [2018-04-13 11:28:39,027 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 11:28:39,027 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 11:28:39,027 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:39,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 11:28:39,027 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 11:28:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-13 11:28:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-13 11:28:39,067 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-13 11:28:39,077 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-13 11:28:39,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 11:28:39 BoogieIcfgContainer [2018-04-13 11:28:39,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 11:28:39,087 INFO L168 Benchmark]: Toolchain (without parser) took 1442.29 ms. Allocated memory was 391.1 MB in the beginning and 587.2 MB in the end (delta: 196.1 MB). Free memory was 328.1 MB in the beginning and 415.5 MB in the end (delta: -87.4 MB). Peak memory consumption was 108.7 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:39,088 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 391.1 MB. Free memory is still 354.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 11:28:39,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.08 ms. Allocated memory is still 391.1 MB. Free memory was 327.5 MB in the beginning and 303.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:39,088 INFO L168 Benchmark]: Boogie Preprocessor took 35.98 ms. Allocated memory is still 391.1 MB. Free memory was 303.6 MB in the beginning and 301.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:39,089 INFO L168 Benchmark]: RCFGBuilder took 352.63 ms. Allocated memory was 391.1 MB in the beginning and 587.2 MB in the end (delta: 196.1 MB). Free memory was 301.0 MB in the beginning and 526.7 MB in the end (delta: -225.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:39,089 INFO L168 Benchmark]: TraceAbstraction took 817.03 ms. Allocated memory is still 587.2 MB. Free memory was 526.7 MB in the beginning and 415.5 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 5.3 GB. [2018-04-13 11:28:39,091 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 391.1 MB. Free memory is still 354.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 234.08 ms. Allocated memory is still 391.1 MB. Free memory was 327.5 MB in the beginning and 303.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.98 ms. Allocated memory is still 391.1 MB. Free memory was 303.6 MB in the beginning and 301.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 352.63 ms. Allocated memory was 391.1 MB in the beginning and 587.2 MB in the end (delta: 196.1 MB). Free memory was 301.0 MB in the beginning and 526.7 MB in the end (delta: -225.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 817.03 ms. Allocated memory is still 587.2 MB. Free memory was 526.7 MB in the beginning and 415.5 MB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 626]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] List t; [L628] List p = 0; VAL [p={0:0}] [L629] COND TRUE __VERIFIER_nondet_int() [L630] EXPR, FCALL malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={11:0}, p={0:0}] [L630] t = (List) malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={11:0}, p={0:0}, t={11:0}] [L631] COND FALSE !(t == 0) VAL [malloc(sizeof(struct node))={11:0}, p={0:0}, t={11:0}] [L632] FCALL t->h = 1 VAL [malloc(sizeof(struct node))={11:0}, p={0:0}, t={11:0}] [L633] FCALL t->n = p VAL [malloc(sizeof(struct node))={11:0}, p={0:0}, t={11:0}] [L634] p = t VAL [malloc(sizeof(struct node))={11:0}, p={11:0}, t={11:0}] [L629] COND FALSE !(__VERIFIER_nondet_int()) [L636] COND TRUE p!=0 VAL [malloc(sizeof(struct node))={11:0}, p={11:0}, t={11:0}] [L637] EXPR, FCALL p->h VAL [malloc(sizeof(struct node))={11:0}, p={11:0}, p->h=1, t={11:0}] [L637] COND FALSE !(p->h != 1) [L640] EXPR, FCALL p->n VAL [malloc(sizeof(struct node))={11:0}, p={11:0}, p->n={0:0}, t={11:0}] [L640] p = p->n [L636] COND FALSE !(p!=0) VAL [malloc(sizeof(struct node))={11:0}, p={0:0}, t={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 9 error locations. UNSAFE Result, 0.7s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 202 SDtfs, 268 SDslu, 144 SDs, 0 SdLazy, 156 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=2, 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, 8 MinimizatonAttempts, 48 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 5710 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_built_from_end_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_11-28-39-099.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_built_from_end_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_11-28-39-099.csv Received shutdown request...