java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 15:40:43,692 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:40:43,693 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:40:43,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:40:43,706 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:40:43,707 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:40:43,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:40:43,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:40:43,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:40:43,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:40:43,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:40:43,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:40:43,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:40:43,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:40:43,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:40:43,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:40:43,718 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:40:43,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:40:43,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:40:43,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:40:43,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 15:40:43,727 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-11 15:40:43,747 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:40:43,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:40:43,748 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:40:43,748 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:40:43,748 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:40:43,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:40:43,749 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:40:43,749 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:40:43,749 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:40:43,749 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:40:43,749 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:40:43,749 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:40:43,750 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:40:43,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:40:43,750 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:40:43,750 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:40:43,750 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:40:43,750 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:40:43,750 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:40:43,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:40:43,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:40:43,751 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:40:43,751 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:40:43,751 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:40:43,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:40:43,792 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:40:43,798 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:40:43,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:40:43,800 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:40:43,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,076 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe335d2f4e [2018-04-11 15:40:44,209 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:40:44,209 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:40:44,209 INFO L168 CDTParser]: Scanning test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,214 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:40:44,215 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:40:44,215 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:40:44,215 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,215 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:40:44,215 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,215 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int32_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,215 INFO L230 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15:40:44,218 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint16_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,218 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,218 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____off_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,218 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_long in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,218 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_quad_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,218 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int16_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,218 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____gid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____quad_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____ino64_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____ino_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____sigset_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____pid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_int32_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____loff_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__fsid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int64_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____WAIT_STATUS in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__fd_mask in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ulong in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____clock_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____caddr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____dev_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__clockid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__suseconds_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_rwlock_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,219 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__loff_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__nlink_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____useconds_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__id_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__uint in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int64_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_condattr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__dev_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint8_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____key_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_quad_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____blksize_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____qaddr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____rlim64_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____daddr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____blkcnt_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____swblk_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__sigset_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_mutex_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ushort in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,220 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__time_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,221 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_int in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,221 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_key_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,221 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsblkcnt_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,221 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__register_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,221 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_barrierattr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,233 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe335d2f4e [2018-04-11 15:40:44,237 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:40:44,238 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:40:44,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:40:44,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:40:44,242 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:40:44,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@804a2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44, skipping insertion in model container [2018-04-11 15:40:44,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,257 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:40:44,284 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:40:44,402 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:40:44,433 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:40:44,440 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 109 non ball SCCs. Number of states in SCCs 109. [2018-04-11 15:40:44,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44 WrapperNode [2018-04-11 15:40:44,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:40:44,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:40:44,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:40:44,467 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:40:44,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (1/1) ... [2018-04-11 15:40:44,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:40:44,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:40:44,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:40:44,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:40:44,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:40:44,537 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:40:44,537 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:40:44,537 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:40:44,537 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 15:40:44,537 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:40:44,537 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:40:44,537 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:40:44,537 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:40:44,537 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:40:44,539 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:40:44,540 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:40:44,541 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:40:44,542 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:40:44,543 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:40:44,544 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:40:44,545 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:40:44,546 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:40:44,889 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:40:44,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:40:44 BoogieIcfgContainer [2018-04-11 15:40:44,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:40:44,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:40:44,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:40:44,892 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:40:44,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:40:44" (1/3) ... [2018-04-11 15:40:44,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5e99b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:40:44, skipping insertion in model container [2018-04-11 15:40:44,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:40:44" (2/3) ... [2018-04-11 15:40:44,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e5e99b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:40:44, skipping insertion in model container [2018-04-11 15:40:44,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:40:44" (3/3) ... [2018-04-11 15:40:44,895 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_true-valid-memsafety_true-termination.i [2018-04-11 15:40:44,901 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:40:44,907 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 15:40:44,932 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:40:44,932 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:40:44,933 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:40:44,933 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:40:44,933 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:40:44,933 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:40:44,933 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:40:44,933 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:40:44,933 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:40:44,934 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:40:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-04-11 15:40:44,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 15:40:44,949 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:40:44,950 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:40:44,950 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 15:40:44,953 INFO L82 PathProgramCache]: Analyzing trace with hash 610341673, now seen corresponding path program 1 times [2018-04-11 15:40:44,954 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:40:44,955 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:40:44,985 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:44,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:44,985 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:40:45,030 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:40:45,030 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:40:45,030 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:40:45,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,058 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:40:45,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:40:45,090 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,096 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:40:45,110 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 [2018-04-11 15:40:45,111 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,114 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:40:45,115 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 15:40:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:40:45,119 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:40:45,120 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 15:40:45,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:40:45,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:40:45,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:40:45,131 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2018-04-11 15:40:45,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:40:45,162 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-04-11 15:40:45,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:40:45,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-04-11 15:40:45,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:40:45,169 INFO L225 Difference]: With dead ends: 26 [2018-04-11 15:40:45,169 INFO L226 Difference]: Without dead ends: 23 [2018-04-11 15:40:45,170 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:40:45,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-04-11 15:40:45,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-04-11 15:40:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-04-11 15:40:45,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-04-11 15:40:45,189 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 8 [2018-04-11 15:40:45,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:40:45,190 INFO L459 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-04-11 15:40:45,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:40:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-04-11 15:40:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 15:40:45,190 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:40:45,190 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:40:45,190 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 15:40:45,190 INFO L82 PathProgramCache]: Analyzing trace with hash 610341674, now seen corresponding path program 1 times [2018-04-11 15:40:45,190 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:40:45,190 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:40:45,191 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,191 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,200 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:40:45,207 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:40:45,207 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:40:45,207 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:40:45,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,220 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:40:45,227 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:40:45,227 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,230 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,230 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:40:45,237 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 15:40:45,247 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-11 15:40:45,259 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 2 xjuncts. [2018-04-11 15:40:45,260 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:24 [2018-04-11 15:40:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:40:45,276 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:40:45,276 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:40:45,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:40:45,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:40:45,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:40:45,277 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 4 states. [2018-04-11 15:40:45,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:40:45,300 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2018-04-11 15:40:45,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:40:45,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-11 15:40:45,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:40:45,300 INFO L225 Difference]: With dead ends: 20 [2018-04-11 15:40:45,300 INFO L226 Difference]: Without dead ends: 20 [2018-04-11 15:40:45,301 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:40:45,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-04-11 15:40:45,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-04-11 15:40:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-04-11 15:40:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-04-11 15:40:45,303 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 8 [2018-04-11 15:40:45,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:40:45,304 INFO L459 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-04-11 15:40:45,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:40:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-04-11 15:40:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 15:40:45,304 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:40:45,304 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:40:45,304 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 15:40:45,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2092193634, now seen corresponding path program 1 times [2018-04-11 15:40:45,304 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:40:45,305 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:40:45,305 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,305 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,318 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:40:45,321 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:40:45,321 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:40:45,321 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:40:45,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,342 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:40:45,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-11 15:40:45,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 15:40:45,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,356 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,357 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-11 15:40:45,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-11 15:40:45,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-11 15:40:45,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,373 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,376 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-11 15:40:45,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-11 15:40:45,387 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-11 15:40:45,389 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,392 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,392 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:3 [2018-04-11 15:40:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:40:45,396 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:40:45,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:40:45,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:40:45,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:40:45,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:40:45,396 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 6 states. [2018-04-11 15:40:45,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:40:45,428 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2018-04-11 15:40:45,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:40:45,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-04-11 15:40:45,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:40:45,429 INFO L225 Difference]: With dead ends: 19 [2018-04-11 15:40:45,429 INFO L226 Difference]: Without dead ends: 19 [2018-04-11 15:40:45,429 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:40:45,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-04-11 15:40:45,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-04-11 15:40:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-04-11 15:40:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2018-04-11 15:40:45,431 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 11 [2018-04-11 15:40:45,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:40:45,431 INFO L459 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2018-04-11 15:40:45,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:40:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-04-11 15:40:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 15:40:45,431 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:40:45,431 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:40:45,432 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 15:40:45,432 INFO L82 PathProgramCache]: Analyzing trace with hash 433493260, now seen corresponding path program 1 times [2018-04-11 15:40:45,432 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:40:45,432 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:40:45,432 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,433 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,442 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:40:45,446 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:40:45,446 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:40:45,446 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:40:45,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,464 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:40:45,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:40:45,468 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,469 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:40:45,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-11 15:40:45,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 15:40:45,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,497 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,502 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-11 15:40:45,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-04-11 15:40:45,515 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 25 [2018-04-11 15:40:45,517 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,524 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,528 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 15:40:45,539 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-11 15:40:45,543 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-04-11 15:40:45,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,548 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,550 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:5 [2018-04-11 15:40:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:40:45,556 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:40:45,556 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 15:40:45,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 15:40:45,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 15:40:45,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 15:40:45,557 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 6 states. [2018-04-11 15:40:45,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:40:45,621 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-04-11 15:40:45,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:40:45,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-04-11 15:40:45,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:40:45,622 INFO L225 Difference]: With dead ends: 18 [2018-04-11 15:40:45,623 INFO L226 Difference]: Without dead ends: 18 [2018-04-11 15:40:45,623 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-11 15:40:45,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-04-11 15:40:45,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-04-11 15:40:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-04-11 15:40:45,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-04-11 15:40:45,625 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 12 [2018-04-11 15:40:45,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:40:45,625 INFO L459 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-04-11 15:40:45,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 15:40:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-04-11 15:40:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 15:40:45,626 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:40:45,626 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:40:45,626 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 15:40:45,626 INFO L82 PathProgramCache]: Analyzing trace with hash -182086873, now seen corresponding path program 1 times [2018-04-11 15:40:45,626 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:40:45,626 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:40:45,628 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,628 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:40:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,640 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:40:45,642 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:40:45,643 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:40:45,643 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:40:45,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:40:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:40:45,669 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:40:45,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:40:45,671 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,673 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:40:45,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-11 15:40:45,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 15:40:45,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,737 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:39 [2018-04-11 15:40:45,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 38 [2018-04-11 15:40:45,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,762 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 57 [2018-04-11 15:40:45,762 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,772 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:52, output treesize:48 [2018-04-11 15:40:45,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-04-11 15:40:45,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:40:45,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2018-04-11 15:40:45,797 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,810 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:40:45,810 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:27 [2018-04-11 15:40:45,850 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~mem1.base| Int) (|main_~#data~0.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_~#data~0.base| 1))) (and (= |c_#valid| (store (store .cse0 |main_#t~mem1.base| 0) |main_~#data~0.base| 0)) (not (= |main_#t~mem1.base| 0)) (= 0 (select .cse0 |main_#t~mem1.base|)) (= (select |c_old(#valid)| |main_~#data~0.base|) 0)))) is different from true [2018-04-11 15:40:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:40:45,853 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:40:45,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-04-11 15:40:45,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 15:40:45,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 15:40:45,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=68, Unknown=5, NotChecked=16, Total=110 [2018-04-11 15:40:45,854 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 11 states. [2018-04-11 15:40:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:40:46,035 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-04-11 15:40:46,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 15:40:46,035 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 17 [2018-04-11 15:40:46,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:40:46,036 INFO L225 Difference]: With dead ends: 17 [2018-04-11 15:40:46,036 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 15:40:46,036 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=236, Unknown=6, NotChecked=32, Total=342 [2018-04-11 15:40:46,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 15:40:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 15:40:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 15:40:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 15:40:46,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-04-11 15:40:46,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:40:46,037 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 15:40:46,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 15:40:46,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 15:40:46,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 15:40:46,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:40:46 BoogieIcfgContainer [2018-04-11 15:40:46,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:40:46,041 INFO L168 Benchmark]: Toolchain (without parser) took 1803.91 ms. Allocated memory was 404.2 MB in the beginning and 591.4 MB in the end (delta: 187.2 MB). Free memory was 337.5 MB in the beginning and 488.1 MB in the end (delta: -150.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:40:46,042 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 404.2 MB. Free memory is still 362.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:40:46,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.55 ms. Allocated memory is still 404.2 MB. Free memory was 337.5 MB in the beginning and 312.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-04-11 15:40:46,042 INFO L168 Benchmark]: Boogie Preprocessor took 32.26 ms. Allocated memory is still 404.2 MB. Free memory was 312.3 MB in the beginning and 311.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 15:40:46,042 INFO L168 Benchmark]: RCFGBuilder took 390.38 ms. Allocated memory was 404.2 MB in the beginning and 591.4 MB in the end (delta: 187.2 MB). Free memory was 309.6 MB in the beginning and 540.9 MB in the end (delta: -231.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 5.3 GB. [2018-04-11 15:40:46,043 INFO L168 Benchmark]: TraceAbstraction took 1150.34 ms. Allocated memory is still 591.4 MB. Free memory was 540.9 MB in the beginning and 488.1 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 5.3 GB. [2018-04-11 15:40:46,044 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 404.2 MB. Free memory is still 362.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 228.55 ms. Allocated memory is still 404.2 MB. Free memory was 337.5 MB in the beginning and 312.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.26 ms. Allocated memory is still 404.2 MB. Free memory was 312.3 MB in the beginning and 311.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 390.38 ms. Allocated memory was 404.2 MB in the beginning and 591.4 MB in the end (delta: 187.2 MB). Free memory was 309.6 MB in the beginning and 540.9 MB in the end (delta: -231.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1150.34 ms. Allocated memory is still 591.4 MB. Free memory was 540.9 MB in the beginning and 488.1 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 631]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 629]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 631]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 631]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 631]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 629]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 9 error locations. SAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 61 SDtfs, 78 SDslu, 74 SDs, 0 SdLazy, 128 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 51 ConstructedInterpolants, 5 QuantifiedInterpolants, 6813 SizeOfPredicates, 15 NumberOfNonLiveVariables, 291 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_15-40-46-051.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_15-40-46-051.csv Received shutdown request...