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_Array.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-12 03:31:01,727 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 03:31:01,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 03:31:01,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 03:31:01,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 03:31:01,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 03:31:01,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 03:31:01,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 03:31:01,747 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 03:31:01,748 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 03:31:01,749 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 03:31:01,749 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 03:31:01,750 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 03:31:01,751 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 03:31:01,752 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 03:31:01,754 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 03:31:01,755 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 03:31:01,757 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 03:31:01,757 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 03:31:01,758 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 03:31:01,763 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 03:31:01,763 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 03:31:01,763 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 03:31:01,764 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 03:31:01,765 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 03:31:01,766 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 03:31:01,766 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 03:31:01,766 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 03:31:01,767 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 03:31:01,767 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 03:31:01,768 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 03:31:01,768 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_Array.epf [2018-04-12 03:31:01,793 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 03:31:01,793 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 03:31:01,794 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 03:31:01,797 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 03:31:01,798 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 03:31:01,798 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 03:31:01,798 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 03:31:01,798 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 03:31:01,798 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 03:31:01,798 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 03:31:01,799 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 03:31:01,799 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 03:31:01,799 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 03:31:01,799 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 03:31:01,799 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 03:31:01,799 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 03:31:01,800 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 03:31:01,800 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 03:31:01,800 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 03:31:01,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 03:31:01,800 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 03:31:01,800 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 03:31:01,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 03:31:01,842 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 03:31:01,845 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 03:31:01,847 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 03:31:01,847 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 03:31:01,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i [2018-04-12 03:31:02,217 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG89f07fa11 [2018-04-12 03:31:02,367 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 03:31:02,367 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 03:31:02,367 INFO L168 CDTParser]: Scanning test-0158_false-valid-free.i [2018-04-12 03:31:02,374 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 03:31:02,374 INFO L215 ultiparseSymbolTable]: [2018-04-12 03:31:02,374 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 03:31:02,374 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0158_false-valid-free.i [2018-04-12 03:31:02,375 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 03:31:02,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_long in test-0158_false-valid-free.i [2018-04-12 03:31:02,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__ulong in test-0158_false-valid-free.i [2018-04-12 03:31:02,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_rwlockattr_t in 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[2018-04-12 03:31:02,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsid_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____loff_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int8_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____nlink_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__ldiv_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,379 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__register_t in 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Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_attr_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__size_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int64_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____intptr_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____mode_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_once_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__wchar_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_mutex_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,380 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____socklen_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_int in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__off_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____suseconds_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__time_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int32_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__id_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____rlim_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsblkcnt_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__dev_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__uint in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int in test-0158_false-valid-free.i [2018-04-12 03:31:02,381 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__nlink_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_char in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____sig_atomic_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____pid_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____uid_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_mutexattr_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____off_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____gid_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____locale_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fd_mask in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsfilcnt_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,382 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____uint64_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____timer_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__int32_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____id_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__key_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____ssize_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int8_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____fd_mask in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__timer_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__clockid_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,383 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int32_t in test-0158_false-valid-free.i [2018-04-12 03:31:02,397 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG89f07fa11 [2018-04-12 03:31:02,399 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 03:31:02,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 03:31:02,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 03:31:02,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 03:31:02,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 03:31:02,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f29ecdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02, skipping insertion in model container [2018-04-12 03:31:02,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,418 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 03:31:02,445 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 03:31:02,590 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 03:31:02,624 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 03:31:02,633 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 159 non ball SCCs. Number of states in SCCs 159. [2018-04-12 03:31:02,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02 WrapperNode [2018-04-12 03:31:02,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 03:31:02,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 03:31:02,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 03:31:02,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 03:31:02,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (1/1) ... [2018-04-12 03:31:02,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 03:31:02,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 03:31:02,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 03:31:02,720 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 03:31:02,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (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 [2018-04-12 03:31:02,846 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 03:31:02,847 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 03:31:02,847 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 03:31:02,847 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 03:31:02,847 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 03:31:02,847 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 03:31:02,847 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 03:31:02,847 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 03:31:02,847 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 03:31:02,848 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 03:31:02,849 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 03:31:02,850 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 03:31:02,851 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 03:31:02,852 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-12 03:31:02,853 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 03:31:02,854 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 03:31:02,855 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 03:31:02,856 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-12 03:31:02,857 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-12 03:31:02,858 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-12 03:31:02,859 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-12 03:31:02,860 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 03:31:02,861 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 03:31:02,862 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 03:31:02,862 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 03:31:02,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 03:31:02,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 03:31:02,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 03:31:02,862 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 03:31:02,862 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 03:31:03,124 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 03:31:03,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 03:31:03 BoogieIcfgContainer [2018-04-12 03:31:03,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 03:31:03,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 03:31:03,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 03:31:03,126 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 03:31:03,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 03:31:02" (1/3) ... [2018-04-12 03:31:03,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7faca8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 03:31:03, skipping insertion in model container [2018-04-12 03:31:03,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 03:31:02" (2/3) ... [2018-04-12 03:31:03,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7faca8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 03:31:03, skipping insertion in model container [2018-04-12 03:31:03,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 03:31:03" (3/3) ... [2018-04-12 03:31:03,128 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_false-valid-free.i [2018-04-12 03:31:03,134 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 03:31:03,140 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-12 03:31:03,171 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 03:31:03,171 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 03:31:03,171 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 03:31:03,172 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-12 03:31:03,172 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 03:31:03,172 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 03:31:03,172 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 03:31:03,172 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 03:31:03,172 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 03:31:03,172 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 03:31:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-04-12 03:31:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 03:31:03,185 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 03:31:03,185 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 03:31:03,185 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-12 03:31:03,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1804432604, now seen corresponding path program 1 times [2018-04-12 03:31:03,219 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 03:31:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 03:31:03,244 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 03:31:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,300 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 03:31:03,300 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 03:31:03,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 03:31:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,301 INFO L182 omatonBuilderFactory]: Interpolants [45#true, 46#false, 47#(= (select |#valid| |main_~#data~0.base|) 1)] [2018-04-12 03:31:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 03:31:03,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 03:31:03,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 03:31:03,316 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 3 states. [2018-04-12 03:31:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 03:31:03,383 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-04-12 03:31:03,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 03:31:03,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-04-12 03:31:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 03:31:03,392 INFO L225 Difference]: With dead ends: 37 [2018-04-12 03:31:03,392 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 03:31:03,393 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 03:31:03,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 03:31:03,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 03:31:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 03:31:03,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2018-04-12 03:31:03,417 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 8 [2018-04-12 03:31:03,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 03:31:03,417 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2018-04-12 03:31:03,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 03:31:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2018-04-12 03:31:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-12 03:31:03,418 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 03:31:03,418 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 03:31:03,418 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-12 03:31:03,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1804432605, now seen corresponding path program 1 times [2018-04-12 03:31:03,419 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 03:31:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 03:31:03,433 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 03:31:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,472 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 03:31:03,472 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 03:31:03,472 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 03:31:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,473 INFO L182 omatonBuilderFactory]: Interpolants [119#true, 120#false, 121#(and (= |main_~#data~0.offset| 0) (= (select |#valid| |main_~#data~0.base|) 1) (= 10 (select |#length| |main_~#data~0.base|))), 122#(and (= |main_~#data~0.offset| 0) (= 10 (select |#length| |main_~#data~0.base|)))] [2018-04-12 03:31:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 03:31:03,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 03:31:03,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 03:31:03,475 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 4 states. [2018-04-12 03:31:03,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 03:31:03,511 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-04-12 03:31:03,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 03:31:03,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-04-12 03:31:03,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 03:31:03,512 INFO L225 Difference]: With dead ends: 29 [2018-04-12 03:31:03,512 INFO L226 Difference]: Without dead ends: 29 [2018-04-12 03:31:03,512 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 03:31:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-12 03:31:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-12 03:31:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-12 03:31:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2018-04-12 03:31:03,515 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 8 [2018-04-12 03:31:03,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 03:31:03,515 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2018-04-12 03:31:03,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 03:31:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2018-04-12 03:31:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-12 03:31:03,515 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 03:31:03,515 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 03:31:03,515 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-12 03:31:03,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1847597954, now seen corresponding path program 1 times [2018-04-12 03:31:03,516 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 03:31:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 03:31:03,529 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 03:31:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,569 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 03:31:03,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 03:31:03,569 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 03:31:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,569 INFO L182 omatonBuilderFactory]: Interpolants [181#true, 182#false, 183#(= 0 |main_#t~malloc0.offset|), 184#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|)), 185#(= |main_#t~mem2.offset| 0)] [2018-04-12 03:31:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 03:31:03,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 03:31:03,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 03:31:03,570 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 5 states. [2018-04-12 03:31:03,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 03:31:03,612 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2018-04-12 03:31:03,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 03:31:03,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-12 03:31:03,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 03:31:03,613 INFO L225 Difference]: With dead ends: 28 [2018-04-12 03:31:03,613 INFO L226 Difference]: Without dead ends: 28 [2018-04-12 03:31:03,613 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-12 03:31:03,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-04-12 03:31:03,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-04-12 03:31:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-12 03:31:03,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2018-04-12 03:31:03,616 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 14 [2018-04-12 03:31:03,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 03:31:03,616 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2018-04-12 03:31:03,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 03:31:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2018-04-12 03:31:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 03:31:03,617 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 03:31:03,617 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 03:31:03,617 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-12 03:31:03,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1440961779, now seen corresponding path program 1 times [2018-04-12 03:31:03,618 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 03:31:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 03:31:03,629 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 03:31:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,677 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 03:31:03,677 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 03:31:03,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 03:31:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,678 INFO L182 omatonBuilderFactory]: Interpolants [246#true, 247#false, 248#(= 1 (select |#valid| |main_#t~malloc0.base|)), 249#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|))), 250#(= 1 (select |#valid| |main_#t~mem2.base|))] [2018-04-12 03:31:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 03:31:03,678 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 03:31:03,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 03:31:03,679 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 5 states. [2018-04-12 03:31:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 03:31:03,733 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-04-12 03:31:03,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 03:31:03,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-12 03:31:03,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 03:31:03,735 INFO L225 Difference]: With dead ends: 27 [2018-04-12 03:31:03,735 INFO L226 Difference]: Without dead ends: 27 [2018-04-12 03:31:03,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-12 03:31:03,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-12 03:31:03,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-04-12 03:31:03,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-12 03:31:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-04-12 03:31:03,737 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 15 [2018-04-12 03:31:03,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 03:31:03,738 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-04-12 03:31:03,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 03:31:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-04-12 03:31:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 03:31:03,738 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 03:31:03,738 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 03:31:03,738 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-12 03:31:03,740 INFO L82 PathProgramCache]: Analyzing trace with hash -505711675, now seen corresponding path program 1 times [2018-04-12 03:31:03,740 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 03:31:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 03:31:03,760 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 03:31:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,808 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 03:31:03,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 03:31:03,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 03:31:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,808 INFO L182 omatonBuilderFactory]: Interpolants [309#true, 310#false, 311#(= 0 |main_#t~malloc0.offset|), 312#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|)), 313#(= 0 |main_#t~mem1.offset|), 314#(= 0 main_~ptr~0.offset)] [2018-04-12 03:31:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 03:31:03,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 03:31:03,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 03:31:03,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 03:31:03,809 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 6 states. [2018-04-12 03:31:03,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 03:31:03,884 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-04-12 03:31:03,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 03:31:03,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-04-12 03:31:03,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 03:31:03,885 INFO L225 Difference]: With dead ends: 26 [2018-04-12 03:31:03,885 INFO L226 Difference]: Without dead ends: 26 [2018-04-12 03:31:03,885 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-04-12 03:31:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-12 03:31:03,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-12 03:31:03,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-12 03:31:03,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-04-12 03:31:03,887 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 18 [2018-04-12 03:31:03,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 03:31:03,888 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-04-12 03:31:03,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 03:31:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-04-12 03:31:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 03:31:03,888 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 03:31:03,888 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 03:31:03,888 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-12 03:31:03,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1502807318, now seen corresponding path program 1 times [2018-04-12 03:31:03,889 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 03:31:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 03:31:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 03:31:03,922 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-12 03:31:03,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 03:31:03 BoogieIcfgContainer [2018-04-12 03:31:03,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 03:31:03,939 INFO L168 Benchmark]: Toolchain (without parser) took 1539.30 ms. Allocated memory was 480.8 MB in the beginning and 610.3 MB in the end (delta: 129.5 MB). Free memory was 412.7 MB in the beginning and 433.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 108.6 MB. Max. memory is 5.3 GB. [2018-04-12 03:31:03,940 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 480.8 MB. Free memory is still 445.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 03:31:03,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.23 ms. Allocated memory is still 480.8 MB. Free memory was 410.3 MB in the beginning and 378.6 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 5.3 GB. [2018-04-12 03:31:03,940 INFO L168 Benchmark]: Boogie Preprocessor took 38.20 ms. Allocated memory is still 480.8 MB. Free memory was 378.6 MB in the beginning and 376.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 03:31:03,941 INFO L168 Benchmark]: RCFGBuilder took 404.35 ms. Allocated memory was 480.8 MB in the beginning and 610.3 MB in the end (delta: 129.5 MB). Free memory was 376.0 MB in the beginning and 529.7 MB in the end (delta: -153.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 5.3 GB. [2018-04-12 03:31:03,941 INFO L168 Benchmark]: TraceAbstraction took 814.06 ms. Allocated memory is still 610.3 MB. Free memory was 529.7 MB in the beginning and 433.6 MB in the end (delta: 96.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 5.3 GB. [2018-04-12 03:31:03,942 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 480.8 MB. Free memory is still 445.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 280.23 ms. Allocated memory is still 480.8 MB. Free memory was 410.3 MB in the beginning and 378.6 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.20 ms. Allocated memory is still 480.8 MB. Free memory was 378.6 MB in the beginning and 376.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 404.35 ms. Allocated memory was 480.8 MB in the beginning and 610.3 MB in the end (delta: 129.5 MB). Free memory was 376.0 MB in the beginning and 529.7 MB in the end (delta: -153.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 814.06 ms. Allocated memory is still 610.3 MB. Free memory was 529.7 MB in the beginning and 433.6 MB in the end (delta: 96.0 MB). Peak memory consumption was 96.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 755]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; VAL [data={39:0}] [L750] EXPR, FCALL malloc(37U) VAL [data={39:0}, malloc(37U)={40:0}] [L750] FCALL data.p0 = malloc(37U) VAL [data={39:0}, malloc(37U)={40:0}] [L751] FCALL data.str.p2 = &data VAL [data={39:0}, malloc(37U)={40:0}] [L752] EXPR, FCALL data.p0 VAL [data={39:0}, data.p0={40:0}, malloc(37U)={40:0}] [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 VAL [data={39:0}, malloc(37U)={40:0}, ptr={40:0}] [L754] EXPR, FCALL data.p0 VAL [data={39:0}, data.p0={40:0}, malloc(37U)={40:0}, ptr={40:0}] [L754] free(data.p0) VAL [data={39:0}, data.p0={40:0}, malloc(37U)={40:0}, ptr={40:0}] [L754] free(data.p0) VAL [data={39:0}, data.p0={40:0}, malloc(37U)={40:0}, ptr={40:0}] [L754] FCALL free(data.p0) VAL [data={39:0}, data.p0={40:0}, malloc(37U)={40:0}, ptr={40:0}] [L755] free(ptr) VAL [data={39:0}, malloc(37U)={40:0}, ptr={40:0}] [L755] free(ptr) VAL [data={39:0}, malloc(37U)={40:0}, ptr={40:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 15 error locations. UNSAFE Result, 0.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 117 SDslu, 116 SDs, 0 SdLazy, 116 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_03-31-03-948.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_03-31-03-948.csv Received shutdown request...