java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cf7e2d-m [2018-03-29 20:28:39,650 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-29 20:28:39,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-29 20:28:39,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-29 20:28:39,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-29 20:28:39,666 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-29 20:28:39,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-29 20:28:39,669 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-29 20:28:39,671 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-29 20:28:39,672 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-29 20:28:39,673 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-29 20:28:39,673 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-29 20:28:39,674 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-29 20:28:39,675 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-29 20:28:39,676 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-29 20:28:39,678 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-29 20:28:39,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-29 20:28:39,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-29 20:28:39,683 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-29 20:28:39,685 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-29 20:28:39,687 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-03-29 20:28:39,687 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-03-29 20:28:39,688 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-03-29 20:28:39,689 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-03-29 20:28:39,689 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-03-29 20:28:39,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-03-29 20:28:39,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-03-29 20:28:39,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-03-29 20:28:39,693 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-03-29 20:28:39,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-29 20:28:39,693 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-29 20:28:39,694 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-29 20:28:39,717 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-29 20:28:39,717 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-29 20:28:39,718 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-29 20:28:39,718 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-29 20:28:39,718 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-29 20:28:39,718 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-29 20:28:39,719 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-29 20:28:39,719 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-29 20:28:39,719 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-29 20:28:39,719 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-29 20:28:39,719 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-29 20:28:39,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-29 20:28:39,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-29 20:28:39,720 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-29 20:28:39,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-29 20:28:39,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-29 20:28:39,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-29 20:28:39,720 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-29 20:28:39,721 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-29 20:28:39,721 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-29 20:28:39,721 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-29 20:28:39,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-29 20:28:39,721 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-29 20:28:39,721 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-29 20:28:39,722 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-29 20:28:39,722 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 20:28:39,722 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-29 20:28:39,722 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-29 20:28:39,722 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-29 20:28:39,722 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-29 20:28:39,723 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-29 20:28:39,723 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:39,723 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-29 20:28:39,724 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-29 20:28:39,724 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-29 20:28:39,724 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-29 20:28:39,724 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-29 20:28:39,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-29 20:28:39,770 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-29 20:28:39,773 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-29 20:28:39,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-29 20:28:39,774 INFO L276 PluginConnector]: CDTParser initialized [2018-03-29 20:28:39,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,074 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc48a470ab [2018-03-29 20:28:40,242 INFO L287 CDTParser]: IsIndexed: true [2018-03-29 20:28:40,242 INFO L288 CDTParser]: Found 1 translation units. [2018-03-29 20:28:40,242 INFO L168 CDTParser]: Scanning openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,253 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-29 20:28:40,254 INFO L215 ultiparseSymbolTable]: [2018-03-29 20:28:40,254 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-29 20:28:40,254 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,254 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,254 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,254 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchr ('cmemchr') in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,254 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-29 20:28:40,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,255 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,256 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,264 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,265 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,266 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,267 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,268 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,269 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,269 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,269 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,269 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:40,284 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc48a470ab [2018-03-29 20:28:40,289 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-29 20:28:40,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-29 20:28:40,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-29 20:28:40,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-29 20:28:40,301 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-29 20:28:40,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d46efee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40, skipping insertion in model container [2018-03-29 20:28:40,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,318 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:28:40,347 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-29 20:28:40,516 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:28:40,557 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-29 20:28:40,563 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-29 20:28:40,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40 WrapperNode [2018-03-29 20:28:40,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-29 20:28:40,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-29 20:28:40,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-29 20:28:40,612 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-29 20:28:40,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (1/1) ... [2018-03-29 20:28:40,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-29 20:28:40,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-29 20:28:40,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-29 20:28:40,669 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-29 20:28:40,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-29 20:28:40,786 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-29 20:28:40,786 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-29 20:28:40,787 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-29 20:28:40,787 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-29 20:28:40,787 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchr [2018-03-29 20:28:40,787 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-29 20:28:40,787 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-29 20:28:40,787 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-29 20:28:40,787 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-29 20:28:40,787 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-29 20:28:40,788 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-29 20:28:40,788 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-29 20:28:40,788 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-29 20:28:40,788 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-29 20:28:40,788 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-29 20:28:40,788 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-29 20:28:40,789 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-29 20:28:40,789 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-29 20:28:40,789 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-29 20:28:40,789 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-29 20:28:40,789 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-29 20:28:40,789 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-29 20:28:40,789 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-29 20:28:40,790 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-29 20:28:40,790 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-29 20:28:40,790 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-29 20:28:40,790 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-29 20:28:40,790 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-29 20:28:40,790 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-29 20:28:40,791 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-29 20:28:40,791 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-29 20:28:40,791 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-29 20:28:40,791 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-29 20:28:40,791 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-29 20:28:40,791 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-29 20:28:40,792 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-29 20:28:40,792 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-29 20:28:40,792 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-29 20:28:40,792 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-29 20:28:40,792 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-29 20:28:40,792 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-29 20:28:40,792 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-29 20:28:40,792 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-29 20:28:40,793 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-29 20:28:40,793 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-29 20:28:40,793 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-29 20:28:40,793 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-29 20:28:40,793 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-29 20:28:40,793 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-29 20:28:40,793 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-29 20:28:40,793 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-29 20:28:40,794 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-29 20:28:40,794 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-29 20:28:40,794 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-29 20:28:40,794 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-29 20:28:40,794 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-29 20:28:40,794 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-29 20:28:40,794 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-29 20:28:40,794 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-29 20:28:40,795 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-29 20:28:40,795 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-29 20:28:40,795 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-29 20:28:40,795 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-29 20:28:40,795 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-29 20:28:40,795 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-29 20:28:40,795 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-29 20:28:40,796 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-29 20:28:40,796 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-29 20:28:40,796 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-29 20:28:40,796 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-29 20:28:40,796 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-29 20:28:40,796 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-29 20:28:40,796 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-29 20:28:40,797 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-29 20:28:40,797 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-29 20:28:40,797 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-29 20:28:40,797 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-29 20:28:40,797 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-29 20:28:40,797 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-29 20:28:40,797 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-29 20:28:40,797 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-29 20:28:40,798 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-29 20:28:40,798 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-29 20:28:40,798 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-29 20:28:40,798 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-29 20:28:40,798 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-29 20:28:40,798 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-29 20:28:40,798 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-29 20:28:40,798 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-29 20:28:40,799 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-29 20:28:40,799 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-29 20:28:40,799 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-29 20:28:40,799 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-29 20:28:40,799 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-29 20:28:40,799 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-29 20:28:40,799 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-29 20:28:40,799 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-29 20:28:40,800 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-29 20:28:40,800 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-29 20:28:40,800 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-29 20:28:40,800 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-29 20:28:40,800 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-29 20:28:40,800 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-29 20:28:40,800 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-29 20:28:40,800 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-29 20:28:40,801 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-29 20:28:40,801 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-29 20:28:40,801 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-29 20:28:40,801 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-29 20:28:40,801 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchr [2018-03-29 20:28:40,801 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-29 20:28:40,801 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-29 20:28:40,801 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-29 20:28:40,802 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-29 20:28:40,802 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-29 20:28:40,802 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-29 20:28:40,802 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-29 20:28:40,802 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-29 20:28:41,118 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-29 20:28:41,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:28:41 BoogieIcfgContainer [2018-03-29 20:28:41,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-29 20:28:41,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-29 20:28:41,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-29 20:28:41,122 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-29 20:28:41,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 08:28:40" (1/3) ... [2018-03-29 20:28:41,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5734a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:28:41, skipping insertion in model container [2018-03-29 20:28:41,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 08:28:40" (2/3) ... [2018-03-29 20:28:41,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5734a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 08:28:41, skipping insertion in model container [2018-03-29 20:28:41,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 08:28:41" (3/3) ... [2018-03-29 20:28:41,125 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i [2018-03-29 20:28:41,134 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-29 20:28:41,142 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-03-29 20:28:41,186 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-29 20:28:41,187 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-29 20:28:41,187 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-29 20:28:41,187 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-29 20:28:41,187 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-29 20:28:41,187 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-29 20:28:41,187 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-29 20:28:41,187 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-29 20:28:41,187 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-29 20:28:41,188 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-29 20:28:41,205 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-03-29 20:28:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-29 20:28:41,210 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:41,211 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:41,211 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:41,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1431894227, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:41,233 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:41,274 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:41,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:41,315 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:41,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:41,319 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-29 20:28:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:41,371 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:41,419 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:41,420 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-03-29 20:28:41,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:41,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:41,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-03-29 20:28:41,433 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 8 states. [2018-03-29 20:28:41,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:41,594 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2018-03-29 20:28:41,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-29 20:28:41,595 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-03-29 20:28:41,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:41,608 INFO L225 Difference]: With dead ends: 71 [2018-03-29 20:28:41,608 INFO L226 Difference]: Without dead ends: 55 [2018-03-29 20:28:41,611 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-03-29 20:28:41,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-03-29 20:28:41,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2018-03-29 20:28:41,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-03-29 20:28:41,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-03-29 20:28:41,652 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 29 [2018-03-29 20:28:41,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:41,653 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-03-29 20:28:41,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-03-29 20:28:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-03-29 20:28:41,654 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:41,655 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:41,655 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:41,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1431894228, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:41,664 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:41,693 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:41,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:41,719 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:41,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:41,759 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-03-29 20:28:41,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:41,837 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:42,029 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:42,029 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2018-03-29 20:28:42,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-03-29 20:28:42,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-03-29 20:28:42,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-03-29 20:28:42,032 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 15 states. [2018-03-29 20:28:42,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:42,358 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2018-03-29 20:28:42,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-29 20:28:42,359 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2018-03-29 20:28:42,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:42,360 INFO L225 Difference]: With dead ends: 60 [2018-03-29 20:28:42,361 INFO L226 Difference]: Without dead ends: 59 [2018-03-29 20:28:42,362 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-03-29 20:28:42,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-03-29 20:28:42,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2018-03-29 20:28:42,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-03-29 20:28:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-03-29 20:28:42,367 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 29 [2018-03-29 20:28:42,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:42,367 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-03-29 20:28:42,368 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-03-29 20:28:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-03-29 20:28:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-03-29 20:28:42,368 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:42,369 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:42,369 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:42,369 INFO L82 PathProgramCache]: Analyzing trace with hash 148751982, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:42,375 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:42,395 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:42,425 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:28:42,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-03-29 20:28:42,426 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:42,427 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:28:42,427 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:28:42,448 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|)))) is different from true [2018-03-29 20:28:42,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:42,452 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:42,482 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_8| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_8|))) (= (store |c_#valid| |v_main_#t~malloc8.base_8| 0) |c_old(#valid)|))) is different from false [2018-03-29 20:28:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:42,533 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:42,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:28:42,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:42,534 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:42,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:28:42,534 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 8 states. [2018-03-29 20:28:42,545 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc8.base_8| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_8|))) (= (store |c_#valid| |v_main_#t~malloc8.base_8| 0) |c_old(#valid)|)))) is different from false [2018-03-29 20:28:42,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:42,677 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-03-29 20:28:42,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:28:42,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-03-29 20:28:42,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:42,680 INFO L225 Difference]: With dead ends: 66 [2018-03-29 20:28:42,680 INFO L226 Difference]: Without dead ends: 60 [2018-03-29 20:28:42,680 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:28:42,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-03-29 20:28:42,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-03-29 20:28:42,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-03-29 20:28:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-03-29 20:28:42,691 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 32 [2018-03-29 20:28:42,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:42,692 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-03-29 20:28:42,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-03-29 20:28:42,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-03-29 20:28:42,693 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:42,694 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:42,694 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:42,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1588236654, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:42,703 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:42,719 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:42,748 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:28:42,749 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-03-29 20:28:42,749 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:42,750 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:28:42,750 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:28:42,768 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|)))) is different from true [2018-03-29 20:28:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:42,771 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:42,784 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_10|))) (= (store |c_#valid| |v_main_#t~malloc8.base_10| 0) |c_old(#valid)|))) is different from false [2018-03-29 20:28:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:42,841 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:42,841 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:28:42,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:42,841 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:42,841 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:28:42,842 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 8 states. [2018-03-29 20:28:42,849 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc8.base_10| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_10|))) (= (store |c_#valid| |v_main_#t~malloc8.base_10| 0) |c_old(#valid)|))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-03-29 20:28:42,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:42,999 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2018-03-29 20:28:42,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:28:42,999 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-03-29 20:28:42,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:43,000 INFO L225 Difference]: With dead ends: 70 [2018-03-29 20:28:43,000 INFO L226 Difference]: Without dead ends: 64 [2018-03-29 20:28:43,001 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:28:43,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-03-29 20:28:43,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2018-03-29 20:28:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-03-29 20:28:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-03-29 20:28:43,007 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 33 [2018-03-29 20:28:43,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:43,007 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-03-29 20:28:43,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-03-29 20:28:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-03-29 20:28:43,008 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:43,009 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:43,009 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:43,009 INFO L82 PathProgramCache]: Analyzing trace with hash 851988461, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:43,015 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:43,031 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:43,043 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:28:43,044 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-03-29 20:28:43,044 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:43,046 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:28:43,046 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:28:43,063 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|)))) is different from true [2018-03-29 20:28:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:43,067 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:43,080 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_12| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_12|))) (= (store |c_#valid| |v_main_#t~malloc8.base_12| 0) |c_old(#valid)|))) is different from false [2018-03-29 20:28:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:43,117 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:43,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:28:43,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:43,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:43,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:28:43,118 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 8 states. [2018-03-29 20:28:43,131 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc8.base_12| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_12|))) (= (store |c_#valid| |v_main_#t~malloc8.base_12| 0) |c_old(#valid)|)))) is different from false [2018-03-29 20:28:43,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:43,216 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2018-03-29 20:28:43,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:28:43,216 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-03-29 20:28:43,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:43,217 INFO L225 Difference]: With dead ends: 70 [2018-03-29 20:28:43,217 INFO L226 Difference]: Without dead ends: 64 [2018-03-29 20:28:43,218 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:28:43,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-03-29 20:28:43,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2018-03-29 20:28:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-03-29 20:28:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-03-29 20:28:43,226 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 33 [2018-03-29 20:28:43,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:43,227 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-03-29 20:28:43,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-03-29 20:28:43,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-29 20:28:43,228 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:43,229 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:43,229 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:43,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1262742285, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:43,234 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:43,250 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:43,269 INFO L700 Elim1Store]: detected not equals via solver [2018-03-29 20:28:43,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-03-29 20:28:43,270 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:43,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-29 20:28:43,272 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-03-29 20:28:43,286 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc8.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |main_#t~malloc8.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc8.base|)))) is different from true [2018-03-29 20:28:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:43,289 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:43,311 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc8.base_14| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_14|))) (= (store |c_#valid| |v_main_#t~malloc8.base_14| 0) |c_old(#valid)|))) is different from false [2018-03-29 20:28:43,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:43,361 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-29 20:28:43,361 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 7 [2018-03-29 20:28:43,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-29 20:28:43,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-29 20:28:43,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=21, Unknown=2, NotChecked=18, Total=56 [2018-03-29 20:28:43,362 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 8 states. [2018-03-29 20:28:43,368 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc8.base_14| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc8.base_14|))) (= (store |c_#valid| |v_main_#t~malloc8.base_14| 0) |c_old(#valid)|)))) is different from false [2018-03-29 20:28:43,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:43,461 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-03-29 20:28:43,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-29 20:28:43,461 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-03-29 20:28:43,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:43,461 INFO L225 Difference]: With dead ends: 61 [2018-03-29 20:28:43,461 INFO L226 Difference]: Without dead ends: 48 [2018-03-29 20:28:43,462 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=52, Unknown=3, NotChecked=48, Total=132 [2018-03-29 20:28:43,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-03-29 20:28:43,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2018-03-29 20:28:43,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-03-29 20:28:43,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2018-03-29 20:28:43,468 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 34 [2018-03-29 20:28:43,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:43,468 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2018-03-29 20:28:43,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-29 20:28:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-03-29 20:28:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-29 20:28:43,469 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:43,470 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:43,470 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:43,470 INFO L82 PathProgramCache]: Analyzing trace with hash -879022325, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:43,476 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:43,494 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:43,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:43,498 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:43,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:43,501 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 20:28:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:43,623 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:44,094 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:28:44,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2018-03-29 20:28:44,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-03-29 20:28:44,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-03-29 20:28:44,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2018-03-29 20:28:44,095 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 26 states. [2018-03-29 20:28:45,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:45,273 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2018-03-29 20:28:45,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-03-29 20:28:45,273 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 40 [2018-03-29 20:28:45,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:45,274 INFO L225 Difference]: With dead ends: 67 [2018-03-29 20:28:45,274 INFO L226 Difference]: Without dead ends: 66 [2018-03-29 20:28:45,275 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=383, Invalid=1969, Unknown=0, NotChecked=0, Total=2352 [2018-03-29 20:28:45,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-03-29 20:28:45,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2018-03-29 20:28:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-03-29 20:28:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2018-03-29 20:28:45,283 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 40 [2018-03-29 20:28:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:45,283 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2018-03-29 20:28:45,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-03-29 20:28:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2018-03-29 20:28:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-03-29 20:28:45,284 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:45,284 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:45,284 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:45,284 INFO L82 PathProgramCache]: Analyzing trace with hash 937649003, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:45,292 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:45,316 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:45,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:45,320 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:45,322 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:45,322 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 20:28:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:45,577 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:46,333 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:28:46,333 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2018-03-29 20:28:46,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-03-29 20:28:46,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-03-29 20:28:46,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1426, Unknown=0, NotChecked=0, Total=1560 [2018-03-29 20:28:46,334 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand 40 states. [2018-03-29 20:28:48,267 WARN L151 SmtUtils]: Spent 193ms on a formula simplification. DAG size of input: 86 DAG size of output 71 [2018-03-29 20:28:48,511 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 79 DAG size of output 70 [2018-03-29 20:28:49,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:28:49,920 INFO L93 Difference]: Finished difference Result 110 states and 115 transitions. [2018-03-29 20:28:49,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-03-29 20:28:49,920 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 62 [2018-03-29 20:28:49,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:28:49,921 INFO L225 Difference]: With dead ends: 110 [2018-03-29 20:28:49,921 INFO L226 Difference]: Without dead ends: 109 [2018-03-29 20:28:49,922 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1226 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=964, Invalid=6176, Unknown=0, NotChecked=0, Total=7140 [2018-03-29 20:28:49,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-03-29 20:28:49,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-03-29 20:28:49,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-03-29 20:28:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 111 transitions. [2018-03-29 20:28:49,934 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 111 transitions. Word has length 62 [2018-03-29 20:28:49,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:28:49,935 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 111 transitions. [2018-03-29 20:28:49,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-03-29 20:28:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 111 transitions. [2018-03-29 20:28:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-03-29 20:28:49,936 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:28:49,937 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:28:49,937 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:28:49,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1744385067, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:28:49,945 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:28:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:28:49,982 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:28:49,986 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:28:49,986 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:28:49,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:28:49,989 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 20:28:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:50,581 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:28:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:28:52,435 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:28:52,435 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 63 [2018-03-29 20:28:52,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-03-29 20:28:52,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-03-29 20:28:52,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=3718, Unknown=0, NotChecked=0, Total=4032 [2018-03-29 20:28:52,437 INFO L87 Difference]: Start difference. First operand 109 states and 111 transitions. Second operand 64 states. [2018-03-29 20:28:56,406 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 102 DAG size of output 89 [2018-03-29 20:28:56,689 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 106 DAG size of output 90 [2018-03-29 20:28:56,949 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 103 DAG size of output 87 [2018-03-29 20:28:57,697 WARN L151 SmtUtils]: Spent 475ms on a formula simplification. DAG size of input: 154 DAG size of output 123 [2018-03-29 20:28:58,238 WARN L151 SmtUtils]: Spent 390ms on a formula simplification. DAG size of input: 147 DAG size of output 122 [2018-03-29 20:28:58,641 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 95 DAG size of output 85 [2018-03-29 20:28:58,898 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 99 DAG size of output 89 [2018-03-29 20:28:59,173 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 94 DAG size of output 86 [2018-03-29 20:28:59,794 WARN L151 SmtUtils]: Spent 268ms on a formula simplification. DAG size of input: 131 DAG size of output 105 [2018-03-29 20:29:00,177 WARN L151 SmtUtils]: Spent 246ms on a formula simplification. DAG size of input: 127 DAG size of output 106 [2018-03-29 20:29:00,450 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 84 DAG size of output 76 [2018-03-29 20:29:00,692 WARN L151 SmtUtils]: Spent 126ms on a formula simplification. DAG size of input: 88 DAG size of output 80 [2018-03-29 20:29:00,921 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 83 DAG size of output 77 [2018-03-29 20:29:01,436 WARN L151 SmtUtils]: Spent 215ms on a formula simplification. DAG size of input: 114 DAG size of output 92 [2018-03-29 20:29:01,757 WARN L151 SmtUtils]: Spent 190ms on a formula simplification. DAG size of input: 110 DAG size of output 93 [2018-03-29 20:29:02,887 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 97 DAG size of output 79 [2018-03-29 20:29:03,175 WARN L151 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 93 DAG size of output 80 [2018-03-29 20:29:04,065 WARN L151 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 80 DAG size of output 66 [2018-03-29 20:29:06,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:29:06,282 INFO L93 Difference]: Finished difference Result 198 states and 207 transitions. [2018-03-29 20:29:06,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-03-29 20:29:06,282 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 106 [2018-03-29 20:29:06,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:29:06,283 INFO L225 Difference]: With dead ends: 198 [2018-03-29 20:29:06,283 INFO L226 Difference]: Without dead ends: 197 [2018-03-29 20:29:06,288 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5006 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=2902, Invalid=21590, Unknown=0, NotChecked=0, Total=24492 [2018-03-29 20:29:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-03-29 20:29:06,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-03-29 20:29:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-03-29 20:29:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 199 transitions. [2018-03-29 20:29:06,303 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 199 transitions. Word has length 106 [2018-03-29 20:29:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:29:06,303 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 199 transitions. [2018-03-29 20:29:06,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-03-29 20:29:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 199 transitions. [2018-03-29 20:29:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-03-29 20:29:06,306 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:29:06,307 INFO L355 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:29:06,307 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:29:06,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1843235413, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:29:06,317 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:29:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:29:06,402 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:29:06,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:29:06,406 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:29:06,409 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:29:06,409 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 20:29:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 0 proven. 1215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:29:07,913 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:29:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 0 proven. 1215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:29:13,605 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:29:13,605 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 111 [2018-03-29 20:29:13,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-03-29 20:29:13,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-03-29 20:29:13,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=962, Invalid=11470, Unknown=0, NotChecked=0, Total=12432 [2018-03-29 20:29:13,608 INFO L87 Difference]: Start difference. First operand 197 states and 199 transitions. Second operand 112 states. [2018-03-29 20:29:25,859 WARN L151 SmtUtils]: Spent 245ms on a formula simplification. DAG size of input: 190 DAG size of output 161 [2018-03-29 20:29:26,592 WARN L151 SmtUtils]: Spent 377ms on a formula simplification. DAG size of input: 194 DAG size of output 162 [2018-03-29 20:29:27,238 WARN L151 SmtUtils]: Spent 334ms on a formula simplification. DAG size of input: 191 DAG size of output 159 [2018-03-29 20:29:31,200 WARN L151 SmtUtils]: Spent 3107ms on a formula simplification. DAG size of input: 290 DAG size of output 227 [2018-03-29 20:29:32,718 WARN L151 SmtUtils]: Spent 1009ms on a formula simplification. DAG size of input: 283 DAG size of output 226 [2018-03-29 20:29:33,666 WARN L151 SmtUtils]: Spent 351ms on a formula simplification. DAG size of input: 183 DAG size of output 157 [2018-03-29 20:29:34,325 WARN L151 SmtUtils]: Spent 307ms on a formula simplification. DAG size of input: 187 DAG size of output 161 [2018-03-29 20:29:35,021 WARN L151 SmtUtils]: Spent 330ms on a formula simplification. DAG size of input: 182 DAG size of output 158 [2018-03-29 20:29:35,592 WARN L151 SmtUtils]: Spent 248ms on a formula simplification. DAG size of input: 177 DAG size of output 148 [2018-03-29 20:29:36,707 WARN L151 SmtUtils]: Spent 734ms on a formula simplification. DAG size of input: 267 DAG size of output 209 [2018-03-29 20:29:37,917 WARN L151 SmtUtils]: Spent 771ms on a formula simplification. DAG size of input: 263 DAG size of output 210 [2018-03-29 20:29:38,657 WARN L151 SmtUtils]: Spent 258ms on a formula simplification. DAG size of input: 172 DAG size of output 148 [2018-03-29 20:29:39,387 WARN L151 SmtUtils]: Spent 339ms on a formula simplification. DAG size of input: 176 DAG size of output 152 [2018-03-29 20:29:40,063 WARN L151 SmtUtils]: Spent 311ms on a formula simplification. DAG size of input: 171 DAG size of output 149 [2018-03-29 20:29:40,567 WARN L151 SmtUtils]: Spent 214ms on a formula simplification. DAG size of input: 166 DAG size of output 139 [2018-03-29 20:29:41,650 WARN L151 SmtUtils]: Spent 732ms on a formula simplification. DAG size of input: 250 DAG size of output 196 [2018-03-29 20:29:42,705 WARN L151 SmtUtils]: Spent 669ms on a formula simplification. DAG size of input: 246 DAG size of output 197 [2018-03-29 20:29:43,486 WARN L151 SmtUtils]: Spent 285ms on a formula simplification. DAG size of input: 161 DAG size of output 139 [2018-03-29 20:29:44,053 WARN L151 SmtUtils]: Spent 254ms on a formula simplification. DAG size of input: 165 DAG size of output 143 [2018-03-29 20:29:44,739 WARN L151 SmtUtils]: Spent 273ms on a formula simplification. DAG size of input: 160 DAG size of output 140 [2018-03-29 20:29:45,249 WARN L151 SmtUtils]: Spent 202ms on a formula simplification. DAG size of input: 155 DAG size of output 130 [2018-03-29 20:29:46,246 WARN L151 SmtUtils]: Spent 620ms on a formula simplification. DAG size of input: 233 DAG size of output 183 [2018-03-29 20:29:47,533 WARN L151 SmtUtils]: Spent 636ms on a formula simplification. DAG size of input: 229 DAG size of output 184 [2018-03-29 20:29:48,260 WARN L151 SmtUtils]: Spent 261ms on a formula simplification. DAG size of input: 150 DAG size of output 130 [2018-03-29 20:29:48,866 WARN L151 SmtUtils]: Spent 259ms on a formula simplification. DAG size of input: 154 DAG size of output 134 [2018-03-29 20:29:49,612 WARN L151 SmtUtils]: Spent 226ms on a formula simplification. DAG size of input: 149 DAG size of output 131 [2018-03-29 20:29:50,098 WARN L151 SmtUtils]: Spent 190ms on a formula simplification. DAG size of input: 144 DAG size of output 121 [2018-03-29 20:29:50,963 WARN L151 SmtUtils]: Spent 530ms on a formula simplification. DAG size of input: 216 DAG size of output 170 [2018-03-29 20:29:51,881 WARN L151 SmtUtils]: Spent 526ms on a formula simplification. DAG size of input: 212 DAG size of output 171 [2018-03-29 20:29:52,517 WARN L151 SmtUtils]: Spent 220ms on a formula simplification. DAG size of input: 139 DAG size of output 121 [2018-03-29 20:29:53,025 WARN L151 SmtUtils]: Spent 221ms on a formula simplification. DAG size of input: 143 DAG size of output 125 [2018-03-29 20:29:53,602 WARN L151 SmtUtils]: Spent 219ms on a formula simplification. DAG size of input: 138 DAG size of output 122 [2018-03-29 20:29:54,031 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 133 DAG size of output 112 [2018-03-29 20:29:54,835 WARN L151 SmtUtils]: Spent 466ms on a formula simplification. DAG size of input: 199 DAG size of output 157 [2018-03-29 20:29:55,685 WARN L151 SmtUtils]: Spent 459ms on a formula simplification. DAG size of input: 195 DAG size of output 158 [2018-03-29 20:29:56,329 WARN L151 SmtUtils]: Spent 206ms on a formula simplification. DAG size of input: 128 DAG size of output 112 [2018-03-29 20:29:56,840 WARN L151 SmtUtils]: Spent 208ms on a formula simplification. DAG size of input: 132 DAG size of output 116 [2018-03-29 20:29:57,377 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 127 DAG size of output 113 [2018-03-29 20:29:57,781 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 122 DAG size of output 103 [2018-03-29 20:29:58,483 WARN L151 SmtUtils]: Spent 368ms on a formula simplification. DAG size of input: 182 DAG size of output 144 [2018-03-29 20:29:59,269 WARN L151 SmtUtils]: Spent 397ms on a formula simplification. DAG size of input: 178 DAG size of output 145 [2018-03-29 20:29:59,885 WARN L151 SmtUtils]: Spent 191ms on a formula simplification. DAG size of input: 117 DAG size of output 103 [2018-03-29 20:30:00,364 WARN L151 SmtUtils]: Spent 190ms on a formula simplification. DAG size of input: 121 DAG size of output 107 [2018-03-29 20:30:00,836 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 116 DAG size of output 104 [2018-03-29 20:30:01,304 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 111 DAG size of output 94 [2018-03-29 20:30:01,995 WARN L151 SmtUtils]: Spent 373ms on a formula simplification. DAG size of input: 165 DAG size of output 131 [2018-03-29 20:30:02,718 WARN L151 SmtUtils]: Spent 336ms on a formula simplification. DAG size of input: 161 DAG size of output 132 [2018-03-29 20:30:03,258 WARN L151 SmtUtils]: Spent 140ms on a formula simplification. DAG size of input: 106 DAG size of output 94 [2018-03-29 20:30:03,716 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 110 DAG size of output 98 [2018-03-29 20:30:04,412 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 105 DAG size of output 95 [2018-03-29 20:30:04,773 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 100 DAG size of output 85 [2018-03-29 20:30:05,342 WARN L151 SmtUtils]: Spent 281ms on a formula simplification. DAG size of input: 148 DAG size of output 118 [2018-03-29 20:30:06,002 WARN L151 SmtUtils]: Spent 284ms on a formula simplification. DAG size of input: 144 DAG size of output 119 [2018-03-29 20:30:07,729 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 95 DAG size of output 85 [2018-03-29 20:30:08,144 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 99 DAG size of output 89 [2018-03-29 20:30:08,536 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 94 DAG size of output 86 [2018-03-29 20:30:09,361 WARN L151 SmtUtils]: Spent 224ms on a formula simplification. DAG size of input: 131 DAG size of output 105 [2018-03-29 20:30:09,949 WARN L151 SmtUtils]: Spent 249ms on a formula simplification. DAG size of input: 127 DAG size of output 106 [2018-03-29 20:30:10,514 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 84 DAG size of output 76 [2018-03-29 20:30:10,920 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 88 DAG size of output 80 [2018-03-29 20:30:11,282 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 83 DAG size of output 77 [2018-03-29 20:30:12,148 WARN L151 SmtUtils]: Spent 211ms on a formula simplification. DAG size of input: 114 DAG size of output 92 [2018-03-29 20:30:12,658 WARN L151 SmtUtils]: Spent 168ms on a formula simplification. DAG size of input: 110 DAG size of output 93 [2018-03-29 20:30:13,526 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 77 DAG size of output 71 [2018-03-29 20:30:14,504 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 97 DAG size of output 79 [2018-03-29 20:30:14,928 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 93 DAG size of output 80 [2018-03-29 20:30:16,420 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 80 DAG size of output 66 [2018-03-29 20:30:16,776 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 76 DAG size of output 67 [2018-03-29 20:30:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-29 20:30:20,206 INFO L93 Difference]: Finished difference Result 374 states and 391 transitions. [2018-03-29 20:30:20,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-03-29 20:30:20,207 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 194 [2018-03-29 20:30:20,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-29 20:30:20,208 INFO L225 Difference]: With dead ends: 374 [2018-03-29 20:30:20,208 INFO L226 Difference]: Without dead ends: 373 [2018-03-29 20:30:20,216 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 299 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20342 ImplicationChecksByTransitivity, 69.1s TimeCoverageRelationStatistics Valid=9802, Invalid=80498, Unknown=0, NotChecked=0, Total=90300 [2018-03-29 20:30:20,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-03-29 20:30:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2018-03-29 20:30:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-03-29 20:30:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 375 transitions. [2018-03-29 20:30:20,240 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 375 transitions. Word has length 194 [2018-03-29 20:30:20,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-29 20:30:20,240 INFO L459 AbstractCegarLoop]: Abstraction has 373 states and 375 transitions. [2018-03-29 20:30:20,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-03-29 20:30:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 375 transitions. [2018-03-29 20:30:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-03-29 20:30:20,246 INFO L347 BasicCegarLoop]: Found error trace [2018-03-29 20:30:20,247 INFO L355 BasicCegarLoop]: trace histogram [32, 32, 32, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-29 20:30:20,247 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr1RequiresViolation, __U_MULTI_fopenbsd_cmemchr_alloca_true_valid_memsafety_true_termination_i__cmemchrErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-03-29 20:30:20,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1448380245, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-29 20:30:20,256 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-29 20:30:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-29 20:30:20,516 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-29 20:30:20,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-29 20:30:20,520 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-29 20:30:20,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-29 20:30:20,523 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-29 20:30:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5239 backedges. 0 proven. 5239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:30:25,528 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-29 20:30:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5239 backedges. 0 proven. 5239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-29 20:30:44,878 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-29 20:30:44,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104, 104] total 207 [2018-03-29 20:30:44,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 208 states [2018-03-29 20:30:44,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2018-03-29 20:30:44,881 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3410, Invalid=39646, Unknown=0, NotChecked=0, Total=43056 [2018-03-29 20:30:44,881 INFO L87 Difference]: Start difference. First operand 373 states and 375 transitions. Second operand 208 states. Received shutdown request... [2018-03-29 20:31:10,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-03-29 20:31:10,452 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-29 20:31:10,455 WARN L197 ceAbstractionStarter]: Timeout [2018-03-29 20:31:10,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 08:31:10 BoogieIcfgContainer [2018-03-29 20:31:10,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-29 20:31:10,456 INFO L168 Benchmark]: Toolchain (without parser) took 150166.87 ms. Allocated memory was 307.8 MB in the beginning and 509.6 MB in the end (delta: 201.9 MB). Free memory was 243.4 MB in the beginning and 370.1 MB in the end (delta: -126.7 MB). Peak memory consumption was 75.1 MB. Max. memory is 5.3 GB. [2018-03-29 20:31:10,458 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 307.8 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-29 20:31:10,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.36 ms. Allocated memory is still 307.8 MB. Free memory was 243.4 MB in the beginning and 219.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-03-29 20:31:10,459 INFO L168 Benchmark]: Boogie Preprocessor took 55.88 ms. Allocated memory is still 307.8 MB. Free memory was 219.3 MB in the beginning and 217.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-29 20:31:10,459 INFO L168 Benchmark]: RCFGBuilder took 450.15 ms. Allocated memory was 307.8 MB in the beginning and 470.3 MB in the end (delta: 162.5 MB). Free memory was 217.3 MB in the beginning and 409.1 MB in the end (delta: -191.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. [2018-03-29 20:31:10,460 INFO L168 Benchmark]: TraceAbstraction took 149336.62 ms. Allocated memory was 470.3 MB in the beginning and 509.6 MB in the end (delta: 39.3 MB). Free memory was 409.1 MB in the beginning and 370.1 MB in the end (delta: 39.0 MB). Peak memory consumption was 78.3 MB. Max. memory is 5.3 GB. [2018-03-29 20:31:10,463 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 307.8 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 317.36 ms. Allocated memory is still 307.8 MB. Free memory was 243.4 MB in the beginning and 219.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.88 ms. Allocated memory is still 307.8 MB. Free memory was 219.3 MB in the beginning and 217.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 450.15 ms. Allocated memory was 307.8 MB in the beginning and 470.3 MB in the end (delta: 162.5 MB). Free memory was 217.3 MB in the beginning and 409.1 MB in the end (delta: -191.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 149336.62 ms. Allocated memory was 470.3 MB in the beginning and 509.6 MB in the end (delta: 39.3 MB). Free memory was 409.1 MB in the beginning and 370.1 MB in the end (delta: 39.0 MB). Peak memory consumption was 78.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was constructing difference of abstraction (373states) and interpolant automaton (currently 120 states, 208 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 38. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was constructing difference of abstraction (373states) and interpolant automaton (currently 120 states, 208 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 38. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 552). Cancelled while BasicCegarLoop was constructing difference of abstraction (373states) and interpolant automaton (currently 120 states, 208 states before enhancement), while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 38. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 66 locations, 3 error locations. TIMEOUT Result, 149.2s OverallTime, 11 OverallIterations, 32 TraceHistogramMax, 111.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 616 SDtfs, 4981 SDslu, 21249 SDs, 0 SdLazy, 22683 SolverSat, 1384 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2412 GetRequests, 1430 SyntacticMatches, 4 SemanticMatches, 977 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 37825 ImplicationChecksByTransitivity, 130.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=373occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 18 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 36.3s InterpolantComputationTime, 962 NumberOfCodeBlocks, 962 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1902 ConstructedInterpolants, 88 QuantifiedInterpolants, 6884782 SizeOfPredicates, 312 NumberOfNonLiveVariables, 2330 ConjunctsInSsa, 786 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 0/13524 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-29_20-31-10-473.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-29_20-31-10-473.csv Completed graceful shutdown