java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety/960521-1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:47:27,721 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:47:27,722 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:47:27,736 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 12:47:27,737 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 12:47:27,737 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 12:47:27,738 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 12:47:27,740 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 12:47:27,742 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 12:47:27,743 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 12:47:27,744 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 12:47:27,744 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 12:47:27,745 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 12:47:27,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 12:47:27,747 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 12:47:27,749 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 12:47:27,751 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 12:47:27,753 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 12:47:27,754 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 12:47:27,756 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 12:47:27,758 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-03-28 12:47:27,763 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 12:47:27,764 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 12:47:27,764 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 [2018-03-28 12:47:27,789 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:47:27,789 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:47:27,790 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:47:27,790 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:47:27,790 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:47:27,791 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:47:27,791 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:47:27,791 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:47:27,791 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:47:27,792 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:47:27,792 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:47:27,792 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:47:27,792 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:47:27,792 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:47:27,793 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:47:27,793 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:47:27,793 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:47:27,793 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:47:27,793 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:47:27,793 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:47:27,794 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:47:27,794 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:47:27,794 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:47:27,794 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:47:27,794 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:47:27,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:47:27,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:47:27,795 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:47:27,795 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:47:27,796 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:47:27,796 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:47:27,796 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:47:27,796 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:47:27,797 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:47:27,797 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:47:27,797 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:47:27,798 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:47:27,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:47:27,845 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:47:27,849 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:47:27,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:47:27,851 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:47:27,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,166 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd08501cf5 [2018-03-28 12:47:28,346 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:47:28,346 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:47:28,347 INFO L171 CDTParser]: Scanning 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,357 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:47:28,357 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:47:28,357 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:47:28,358 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f_________true_valid_memsafety_i__foo ('foo') in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,358 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,358 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:47:28,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__dev_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____uint8_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____key_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,358 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____clockid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__clockid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__loff_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_int8_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__uint in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____u_int in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__quad_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__nlink_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____int64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,359 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__suseconds_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____useconds_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__fd_mask in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__wchar_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____pid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____u_quad_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__ushort in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____sig_atomic_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____loff_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____quad_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____fsblkcnt64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,360 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____fd_mask in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____uint16_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__fsid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____daddr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____clock_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_condattr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____gid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__int64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,361 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____WAIT_STATUS in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__ldiv_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____nlink_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_int64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____swblk_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__fsfilcnt_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____ssize_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__timer_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,362 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__int32_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__register_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_barrierattr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____fsfilcnt64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_rwlockattr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__b in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____blkcnt64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__a in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,363 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____off_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__ino_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____uint64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____uid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_key_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____ino64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__ssize_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__n in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,364 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__sigset_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____blkcnt_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__id_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__fsblkcnt_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____rlim64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____suseconds_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__time_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_rwlock_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____rlim_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,365 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__int16_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____dev_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____fsblkcnt_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__mode_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__uid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__lldiv_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____u_short in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____caddr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__fd_set in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_mutex_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_quad_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____fsfilcnt_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_mutexattr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____u_char in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__key_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____off64_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____time_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__int8_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_int32_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____id_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_int in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____qaddr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____int32_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____blksize_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____timer_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__off_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____int16_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,367 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__gid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_char in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__blkcnt_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__daddr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____int8_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_short in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____fsid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__clock_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____socklen_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__ulong in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____pthread_list_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_long in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_barrier_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pid_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__size_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____ino_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_attr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____intptr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____sigset_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__caddr_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_cond_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__u_int16_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____mode_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____uint32_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i____u_long in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_spinlock_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__div_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__blksize_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,370 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________true_valid_memsafety_i__pthread_once_t in 960521-1_true-valid-memsafety.i [2018-03-28 12:47:28,387 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGd08501cf5 [2018-03-28 12:47:28,392 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:47:28,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:47:28,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:47:28,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:47:28,401 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:47:28,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@569e1af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28, skipping insertion in model container [2018-03-28 12:47:28,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,417 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:47:28,447 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:47:28,604 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:47:28,652 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:47:28,659 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-03-28 12:47:28,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28 WrapperNode [2018-03-28 12:47:28,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:47:28,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:47:28,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:47:28,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:47:28,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (1/1) ... [2018-03-28 12:47:28,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:47:28,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:47:28,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:47:28,763 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:47:28,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (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 [2018-03-28 12:47:28,897 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:47:28,897 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:47:28,897 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_________true_valid_memsafety_i__foo [2018-03-28 12:47:28,897 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:47:28,897 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-28 12:47:28,897 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:47:28,898 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:47:28,898 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:47:28,898 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:47:28,898 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:47:28,898 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:47:28,898 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:47:28,898 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:47:28,898 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:47:28,899 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:47:28,899 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:47:28,899 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:47:28,899 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:47:28,899 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:47:28,899 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:47:28,900 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:47:28,900 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:47:28,900 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:47:28,900 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:47:28,900 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:47:28,900 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:47:28,900 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:47:28,901 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:47:28,901 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:47:28,901 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:47:28,901 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:47:28,901 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:47:28,901 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:47:28,901 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:47:28,901 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:47:28,902 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:47:28,903 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:47:28,903 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:47:28,903 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:47:28,903 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:47:28,903 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:47:28,903 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:47:28,903 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:47:28,903 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:47:28,904 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:47:28,905 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:47:28,906 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:47:28,907 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:47:28,907 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:47:28,907 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:47:28,907 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:47:28,907 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:47:28,907 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:47:28,907 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:47:28,907 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:47:28,908 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:47:28,908 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:47:28,908 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:47:28,908 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:47:28,908 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:47:28,908 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:47:28,908 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:47:28,909 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:47:28,909 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_________true_valid_memsafety_i__foo [2018-03-28 12:47:28,909 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:47:28,909 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:47:28,909 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:47:28,909 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:47:28,909 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:47:28,909 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:47:28,910 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:47:28,910 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:47:29,270 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:47:29,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:47:29 BoogieIcfgContainer [2018-03-28 12:47:29,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:47:29,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:47:29,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:47:29,274 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:47:29,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:47:28" (1/3) ... [2018-03-28 12:47:29,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:47:29, skipping insertion in model container [2018-03-28 12:47:29,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:47:28" (2/3) ... [2018-03-28 12:47:29,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:47:29, skipping insertion in model container [2018-03-28 12:47:29,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:47:29" (3/3) ... [2018-03-28 12:47:29,277 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_true-valid-memsafety.i [2018-03-28 12:47:29,287 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:47:29,293 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-03-28 12:47:29,337 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:47:29,337 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:47:29,338 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:47:29,338 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:47:29,338 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:47:29,338 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:47:29,338 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:47:29,338 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:47:29,338 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:47:29,339 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:47:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2018-03-28 12:47:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-28 12:47:29,355 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:29,355 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:47:29,355 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:29,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1699642379, 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 [2018-03-28 12:47:29,370 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:29,422 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:29,459 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 [2018-03-28 12:47:29,461 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:29,465 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:29,465 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:47:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:29,501 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:47:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:29,541 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:47:29,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 12:47:29,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:47:29,558 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:47:29,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:47:29,561 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 5 states. [2018-03-28 12:47:29,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:47:29,722 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2018-03-28 12:47:29,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:47:29,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-03-28 12:47:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:47:29,732 INFO L225 Difference]: With dead ends: 115 [2018-03-28 12:47:29,732 INFO L226 Difference]: Without dead ends: 68 [2018-03-28 12:47:29,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:47:29,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-03-28 12:47:29,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-03-28 12:47:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-03-28 12:47:29,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2018-03-28 12:47:29,764 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 17 [2018-03-28 12:47:29,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:47:29,765 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2018-03-28 12:47:29,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:47:29,765 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2018-03-28 12:47:29,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-03-28 12:47:29,766 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:29,766 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:47:29,766 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:29,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1699642380, 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 [2018-03-28 12:47:29,772 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:29,798 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:29,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:47:29,813 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:29,824 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. [2018-03-28 12:47:29,824 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-03-28 12:47:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:29,903 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:47:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:30,075 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:47:30,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-28 12:47:30,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 12:47:30,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 12:47:30,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:47:30,078 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 10 states. [2018-03-28 12:47:30,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:47:30,371 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-03-28 12:47:30,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:47:30,371 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2018-03-28 12:47:30,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:47:30,373 INFO L225 Difference]: With dead ends: 68 [2018-03-28 12:47:30,373 INFO L226 Difference]: Without dead ends: 67 [2018-03-28 12:47:30,375 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-03-28 12:47:30,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-03-28 12:47:30,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-03-28 12:47:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-03-28 12:47:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2018-03-28 12:47:30,382 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 17 [2018-03-28 12:47:30,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:47:30,382 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2018-03-28 12:47:30,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 12:47:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-03-28 12:47:30,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 12:47:30,383 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:30,383 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:47:30,384 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:30,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1764347413, 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 [2018-03-28 12:47:30,389 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:30,410 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:30,414 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 [2018-03-28 12:47:30,414 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:47:30,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:47:30,429 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,433 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. [2018-03-28 12:47:30,433 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 12:47:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:30,442 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:47:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:30,501 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:47:30,501 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:47:30,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:47:30,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:47:30,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:47:30,502 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand 4 states. [2018-03-28 12:47:30,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:47:30,539 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2018-03-28 12:47:30,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:47:30,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-03-28 12:47:30,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:47:30,540 INFO L225 Difference]: With dead ends: 67 [2018-03-28 12:47:30,540 INFO L226 Difference]: Without dead ends: 64 [2018-03-28 12:47:30,540 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:47:30,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-03-28 12:47:30,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-03-28 12:47:30,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-03-28 12:47:30,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2018-03-28 12:47:30,548 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 24 [2018-03-28 12:47:30,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:47:30,548 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2018-03-28 12:47:30,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:47:30,549 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-03-28 12:47:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 12:47:30,549 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:30,549 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:47:30,550 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:30,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1764347414, 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 [2018-03-28 12:47:30,556 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:30,579 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:30,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:47:30,594 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,599 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,600 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:47:30,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:47:30,628 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:47:30,635 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-03-28 12:47:30,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:30,680 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:47:30,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-03-28 12:47:30,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-28 12:47:30,762 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,763 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,764 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,764 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-03-28 12:47:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:30,796 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:47:30,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-03-28 12:47:30,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:47:30,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:47:30,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:47:30,797 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand 12 states. [2018-03-28 12:47:30,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:47:30,928 INFO L93 Difference]: Finished difference Result 110 states and 117 transitions. [2018-03-28 12:47:30,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-28 12:47:30,928 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-03-28 12:47:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:47:30,929 INFO L225 Difference]: With dead ends: 110 [2018-03-28 12:47:30,930 INFO L226 Difference]: Without dead ends: 73 [2018-03-28 12:47:30,930 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-03-28 12:47:30,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-03-28 12:47:30,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2018-03-28 12:47:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-03-28 12:47:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2018-03-28 12:47:30,936 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 24 [2018-03-28 12:47:30,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:47:30,936 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2018-03-28 12:47:30,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:47:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-03-28 12:47:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-03-28 12:47:30,937 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:30,937 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-03-28 12:47:30,937 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:30,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1500125492, 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 [2018-03-28 12:47:30,948 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:30,977 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:30,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:47:30,992 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:30,998 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:47:31,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:47:31,027 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:31,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:47:31,034 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-03-28 12:47:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:31,140 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:47:32,064 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc3.base_7| Int)) (<= (+ |c_main_#t~malloc2.offset| 8) (select (store |c_#length| |v_main_#t~malloc3.base_7| (* 4 c_~__U_MULTI_f_________true_valid_memsafety_i__n~0)) |c_main_#t~malloc2.base|))) (<= 0 (+ |c_main_#t~malloc2.offset| 4))) is different from false [2018-03-28 12:47:32,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-03-28 12:47:32,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-28 12:47:32,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:32,088 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:32,089 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:32,089 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-03-28 12:47:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:32,133 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:47:32,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2018-03-28 12:47:32,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-28 12:47:32,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-28 12:47:32,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=162, Unknown=3, NotChecked=26, Total=240 [2018-03-28 12:47:32,135 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand 16 states. [2018-03-28 12:47:32,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:47:32,513 INFO L93 Difference]: Finished difference Result 120 states and 126 transitions. [2018-03-28 12:47:32,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 12:47:32,514 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-03-28 12:47:32,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:47:32,515 INFO L225 Difference]: With dead ends: 120 [2018-03-28 12:47:32,515 INFO L226 Difference]: Without dead ends: 83 [2018-03-28 12:47:32,515 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=150, Invalid=357, Unknown=3, NotChecked=42, Total=552 [2018-03-28 12:47:32,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-03-28 12:47:32,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2018-03-28 12:47:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-03-28 12:47:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2018-03-28 12:47:32,522 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 30 [2018-03-28 12:47:32,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:47:32,523 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2018-03-28 12:47:32,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-28 12:47:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2018-03-28 12:47:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-03-28 12:47:32,524 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:32,524 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-03-28 12:47:32,524 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:32,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1452484936, now seen corresponding path program 2 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 [2018-03-28 12:47:32,542 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:32,567 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:32,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:47:32,617 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:32,642 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:32,642 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:47:32,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:47:32,658 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:32,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:47:32,663 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-03-28 12:47:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:32,940 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:47:33,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-03-28 12:47:33,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-03-28 12:47:33,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:33,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:33,465 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:33,465 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-03-28 12:47:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:33,513 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:47:33,514 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2018-03-28 12:47:33,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-03-28 12:47:33,514 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-03-28 12:47:33,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=457, Unknown=1, NotChecked=0, Total=552 [2018-03-28 12:47:33,515 INFO L87 Difference]: Start difference. First operand 79 states and 81 transitions. Second operand 24 states. [2018-03-28 12:47:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:47:34,380 INFO L93 Difference]: Finished difference Result 144 states and 154 transitions. [2018-03-28 12:47:34,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-03-28 12:47:34,381 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 42 [2018-03-28 12:47:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:47:34,382 INFO L225 Difference]: With dead ends: 144 [2018-03-28 12:47:34,382 INFO L226 Difference]: Without dead ends: 107 [2018-03-28 12:47:34,384 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=464, Invalid=1427, Unknown=1, NotChecked=0, Total=1892 [2018-03-28 12:47:34,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-03-28 12:47:34,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2018-03-28 12:47:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-03-28 12:47:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2018-03-28 12:47:34,394 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 42 [2018-03-28 12:47:34,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:47:34,395 INFO L459 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2018-03-28 12:47:34,395 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-03-28 12:47:34,395 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2018-03-28 12:47:34,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-03-28 12:47:34,397 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:34,397 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 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] [2018-03-28 12:47:34,397 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:34,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1537199984, now seen corresponding path program 3 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 [2018-03-28 12:47:34,408 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:34,448 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:34,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:47:34,460 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:34,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:34,464 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:47:34,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:47:34,481 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:34,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:47:34,487 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-03-28 12:47:34,920 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:34,920 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:47:35,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-03-28 12:47:35,631 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-28 12:47:35,631 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:35,632 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:35,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:35,635 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-03-28 12:47:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:35,692 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:47:35,692 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2018-03-28 12:47:35,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-03-28 12:47:35,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-03-28 12:47:35,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1329, Unknown=1, NotChecked=0, Total=1560 [2018-03-28 12:47:35,694 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand 40 states. [2018-03-28 12:47:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:47:38,421 INFO L93 Difference]: Finished difference Result 192 states and 210 transitions. [2018-03-28 12:47:38,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-03-28 12:47:38,421 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 66 [2018-03-28 12:47:38,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:47:38,422 INFO L225 Difference]: With dead ends: 192 [2018-03-28 12:47:38,422 INFO L226 Difference]: Without dead ends: 155 [2018-03-28 12:47:38,424 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1517 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1568, Invalid=5403, Unknown=1, NotChecked=0, Total=6972 [2018-03-28 12:47:38,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-03-28 12:47:38,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2018-03-28 12:47:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-03-28 12:47:38,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 153 transitions. [2018-03-28 12:47:38,434 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 153 transitions. Word has length 66 [2018-03-28 12:47:38,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:47:38,434 INFO L459 AbstractCegarLoop]: Abstraction has 151 states and 153 transitions. [2018-03-28 12:47:38,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-03-28 12:47:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 153 transitions. [2018-03-28 12:47:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-03-28 12:47:38,436 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:38,436 INFO L355 BasicCegarLoop]: trace histogram [16, 16, 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] [2018-03-28 12:47:38,436 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:38,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1519334336, now seen corresponding path program 4 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 [2018-03-28 12:47:38,443 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:38,486 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:38,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:47:38,491 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:38,500 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:38,500 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:47:38,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:47:38,521 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:38,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:47:38,528 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-03-28 12:47:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:39,952 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:47:41,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-03-28 12:47:42,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-03-28 12:47:42,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:42,007 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:42,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:42,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-03-28 12:47:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:42,102 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:47:42,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 71 [2018-03-28 12:47:42,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-03-28 12:47:42,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-03-28 12:47:42,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=694, Invalid=4416, Unknown=2, NotChecked=0, Total=5112 [2018-03-28 12:47:42,105 INFO L87 Difference]: Start difference. First operand 151 states and 153 transitions. Second operand 72 states. [2018-03-28 12:47:45,788 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 124 DAG size of output 27 [2018-03-28 12:47:46,159 WARN L151 SmtUtils]: Spent 109ms on a formula simplification. DAG size of input: 120 DAG size of output 26 [2018-03-28 12:47:52,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:47:52,250 INFO L93 Difference]: Finished difference Result 288 states and 322 transitions. [2018-03-28 12:47:52,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-03-28 12:47:52,251 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 114 [2018-03-28 12:47:52,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:47:52,253 INFO L225 Difference]: With dead ends: 288 [2018-03-28 12:47:52,253 INFO L226 Difference]: Without dead ends: 251 [2018-03-28 12:47:52,258 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6153 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=5696, Invalid=21034, Unknown=2, NotChecked=0, Total=26732 [2018-03-28 12:47:52,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-03-28 12:47:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 247. [2018-03-28 12:47:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-03-28 12:47:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 249 transitions. [2018-03-28 12:47:52,273 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 249 transitions. Word has length 114 [2018-03-28 12:47:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:47:52,274 INFO L459 AbstractCegarLoop]: Abstraction has 247 states and 249 transitions. [2018-03-28 12:47:52,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-03-28 12:47:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 249 transitions. [2018-03-28 12:47:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-03-28 12:47:52,278 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:47:52,278 INFO L355 BasicCegarLoop]: trace histogram [32, 32, 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] [2018-03-28 12:47:52,278 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:47:52,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1088005024, now seen corresponding path program 5 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 [2018-03-28 12:47:52,286 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:47:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:47:52,346 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:47:52,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:47:52,351 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:52,355 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:47:52,355 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:47:52,369 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:47:52,369 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:47:52,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:47:52,375 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-03-28 12:47:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2883 backedges. 0 proven. 2883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:47:55,854 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:48:00,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-03-28 12:48:00,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-03-28 12:48:00,567 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:48:00,568 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:48:00,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:48:00,569 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-03-28 12:48:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2883 backedges. 0 proven. 2883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:48:00,764 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:48:00,765 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68] total 135 [2018-03-28 12:48:00,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-03-28 12:48:00,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-03-28 12:48:00,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2390, Invalid=15969, Unknown=1, NotChecked=0, Total=18360 [2018-03-28 12:48:00,769 INFO L87 Difference]: Start difference. First operand 247 states and 249 transitions. Second operand 136 states. [2018-03-28 12:48:11,568 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 154 DAG size of output 23 [2018-03-28 12:48:12,254 WARN L151 SmtUtils]: Spent 279ms on a formula simplification. DAG size of input: 242 DAG size of output 27 [2018-03-28 12:48:13,269 WARN L151 SmtUtils]: Spent 286ms on a formula simplification. DAG size of input: 238 DAG size of output 26 [2018-03-28 12:48:13,923 WARN L151 SmtUtils]: Spent 290ms on a formula simplification. DAG size of input: 235 DAG size of output 27 [2018-03-28 12:48:14,925 WARN L151 SmtUtils]: Spent 275ms on a formula simplification. DAG size of input: 230 DAG size of output 26 [2018-03-28 12:48:15,559 WARN L151 SmtUtils]: Spent 262ms on a formula simplification. DAG size of input: 227 DAG size of output 27 [2018-03-28 12:48:16,545 WARN L151 SmtUtils]: Spent 275ms on a formula simplification. DAG size of input: 222 DAG size of output 26 [2018-03-28 12:48:17,153 WARN L151 SmtUtils]: Spent 244ms on a formula simplification. DAG size of input: 219 DAG size of output 27 [2018-03-28 12:48:18,122 WARN L151 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 215 DAG size of output 26 [2018-03-28 12:48:18,717 WARN L151 SmtUtils]: Spent 233ms on a formula simplification. DAG size of input: 212 DAG size of output 27 [2018-03-28 12:48:19,645 WARN L151 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 208 DAG size of output 26 [2018-03-28 12:48:20,238 WARN L151 SmtUtils]: Spent 228ms on a formula simplification. DAG size of input: 205 DAG size of output 27 [2018-03-28 12:48:21,218 WARN L151 SmtUtils]: Spent 204ms on a formula simplification. DAG size of input: 201 DAG size of output 26 [2018-03-28 12:48:21,799 WARN L151 SmtUtils]: Spent 221ms on a formula simplification. DAG size of input: 198 DAG size of output 27 [2018-03-28 12:48:22,706 WARN L151 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 194 DAG size of output 26 [2018-03-28 12:48:23,257 WARN L151 SmtUtils]: Spent 194ms on a formula simplification. DAG size of input: 191 DAG size of output 27 [2018-03-28 12:48:24,120 WARN L151 SmtUtils]: Spent 180ms on a formula simplification. DAG size of input: 187 DAG size of output 26 [2018-03-28 12:48:24,673 WARN L151 SmtUtils]: Spent 191ms on a formula simplification. DAG size of input: 184 DAG size of output 27 [2018-03-28 12:48:25,581 WARN L151 SmtUtils]: Spent 203ms on a formula simplification. DAG size of input: 180 DAG size of output 26 [2018-03-28 12:48:26,134 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 177 DAG size of output 27 [2018-03-28 12:48:27,020 WARN L151 SmtUtils]: Spent 187ms on a formula simplification. DAG size of input: 173 DAG size of output 26 [2018-03-28 12:48:27,524 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 170 DAG size of output 27 [2018-03-28 12:48:28,356 WARN L151 SmtUtils]: Spent 152ms on a formula simplification. DAG size of input: 166 DAG size of output 26 [2018-03-28 12:48:28,874 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 163 DAG size of output 27 [2018-03-28 12:48:29,652 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 159 DAG size of output 26 [2018-03-28 12:48:30,125 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 156 DAG size of output 27 [2018-03-28 12:48:30,903 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 151 DAG size of output 26 [2018-03-28 12:48:31,395 WARN L151 SmtUtils]: Spent 133ms on a formula simplification. DAG size of input: 148 DAG size of output 27 [2018-03-28 12:48:32,126 WARN L151 SmtUtils]: Spent 122ms on a formula simplification. DAG size of input: 143 DAG size of output 26 [2018-03-28 12:48:32,582 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 140 DAG size of output 27 [2018-03-28 12:48:33,314 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 136 DAG size of output 26 [2018-03-28 12:48:33,756 WARN L151 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 133 DAG size of output 27 [2018-03-28 12:48:34,885 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 126 DAG size of output 27 [2018-03-28 12:48:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:48:46,908 INFO L93 Difference]: Finished difference Result 480 states and 546 transitions. [2018-03-28 12:48:46,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-03-28 12:48:46,909 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 210 [2018-03-28 12:48:46,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:48:46,911 INFO L225 Difference]: With dead ends: 480 [2018-03-28 12:48:46,911 INFO L226 Difference]: Without dead ends: 443 [2018-03-28 12:48:46,917 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24833 ImplicationChecksByTransitivity, 48.7s TimeCoverageRelationStatistics Valid=21632, Invalid=83019, Unknown=1, NotChecked=0, Total=104652 [2018-03-28 12:48:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-03-28 12:48:46,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 439. [2018-03-28 12:48:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-03-28 12:48:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 441 transitions. [2018-03-28 12:48:46,934 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 441 transitions. Word has length 210 [2018-03-28 12:48:46,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:48:46,934 INFO L459 AbstractCegarLoop]: Abstraction has 439 states and 441 transitions. [2018-03-28 12:48:46,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-03-28 12:48:46,935 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 441 transitions. [2018-03-28 12:48:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-03-28 12:48:46,941 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:48:46,941 INFO L355 BasicCegarLoop]: trace histogram [64, 64, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:48:46,941 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f_________true_valid_memsafety_i__fooErr0RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f_________true_valid_memsafety_i__fooErr2RequiresViolation]=== [2018-03-28 12:48:46,942 INFO L82 PathProgramCache]: Analyzing trace with hash 30003808, now seen corresponding path program 6 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 [2018-03-28 12:48:46,958 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:48:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:48:47,052 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:48:47,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:48:47,064 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:48:47,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:48:47,078 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:48:47,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-03-28 12:48:47,094 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:48:47,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:48:47,099 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-03-28 12:48:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 11907 backedges. 0 proven. 11907 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:48:59,454 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:49:16,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-03-28 12:49:16,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-03-28 12:49:16,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:49:16,188 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:49:16,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:49:16,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-03-28 12:49:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 11907 backedges. 0 proven. 11907 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:49:16,762 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:49:16,762 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132, 132] total 263 [2018-03-28 12:49:16,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 264 states [2018-03-28 12:49:16,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2018-03-28 12:49:16,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8854, Invalid=60577, Unknown=1, NotChecked=0, Total=69432 [2018-03-28 12:49:16,765 INFO L87 Difference]: Start difference. First operand 439 states and 441 transitions. Second operand 264 states. Received shutdown request... [2018-03-28 12:49:52,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-03-28 12:49:52,523 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-28 12:49:52,527 WARN L197 ceAbstractionStarter]: Timeout [2018-03-28 12:49:52,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:49:52 BoogieIcfgContainer [2018-03-28 12:49:52,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 12:49:52,527 INFO L168 Benchmark]: Toolchain (without parser) took 144135.34 ms. Allocated memory was 306.2 MB in the beginning and 552.6 MB in the end (delta: 246.4 MB). Free memory was 242.2 MB in the beginning and 267.2 MB in the end (delta: -25.0 MB). Peak memory consumption was 221.4 MB. Max. memory is 5.3 GB. [2018-03-28 12:49:52,528 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 306.2 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 12:49:52,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.38 ms. Allocated memory is still 306.2 MB. Free memory was 242.2 MB in the beginning and 218.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-03-28 12:49:52,529 INFO L168 Benchmark]: Boogie Preprocessor took 53.83 ms. Allocated memory is still 306.2 MB. Free memory was 218.2 MB in the beginning and 216.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:49:52,530 INFO L168 Benchmark]: RCFGBuilder took 507.51 ms. Allocated memory was 306.2 MB in the beginning and 469.8 MB in the end (delta: 163.6 MB). Free memory was 216.3 MB in the beginning and 406.8 MB in the end (delta: -190.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. [2018-03-28 12:49:52,530 INFO L168 Benchmark]: TraceAbstraction took 143255.94 ms. Allocated memory was 469.8 MB in the beginning and 552.6 MB in the end (delta: 82.8 MB). Free memory was 406.8 MB in the beginning and 267.2 MB in the end (delta: 139.6 MB). Peak memory consumption was 222.5 MB. Max. memory is 5.3 GB. [2018-03-28 12:49:52,533 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 306.2 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 312.38 ms. Allocated memory is still 306.2 MB. Free memory was 242.2 MB in the beginning and 218.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 53.83 ms. Allocated memory is still 306.2 MB. Free memory was 218.2 MB in the beginning and 216.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 507.51 ms. Allocated memory was 306.2 MB in the beginning and 469.8 MB in the end (delta: 163.6 MB). Free memory was 216.3 MB in the beginning and 406.8 MB in the end (delta: -190.6 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 143255.94 ms. Allocated memory was 469.8 MB in the beginning and 552.6 MB in the end (delta: 82.8 MB). Free memory was 406.8 MB in the beginning and 267.2 MB in the end (delta: 139.6 MB). Peak memory consumption was 222.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 634]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 634). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 629]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 629). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 636]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 636). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 639]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 639). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 637]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 637). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 625). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 627). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 625). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - TimeoutResultAtElement [Line: 627]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 627). Cancelled while BasicCegarLoop was constructing difference of abstraction (439states) and interpolant automaton (currently 174 states, 264 states before enhancement), while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 433 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 17 error locations. TIMEOUT Result, 143.1s OverallTime, 10 OverallIterations, 64 TraceHistogramMax, 96.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 670 SDtfs, 8353 SDslu, 22090 SDs, 0 SdLazy, 48503 SolverSat, 3932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2417 GetRequests, 1317 SyntacticMatches, 3 SemanticMatches, 1096 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 69285 ImplicationChecksByTransitivity, 115.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=439occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 26 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 45.6s InterpolantComputationTime, 946 NumberOfCodeBlocks, 946 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1872 ConstructedInterpolants, 815 QuantifiedInterpolants, 9648508 SizeOfPredicates, 285 NumberOfNonLiveVariables, 2652 ConjunctsInSsa, 588 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 0/31284 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/960521-1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_12-49-52-540.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_12-49-52-540.csv Completed graceful shutdown