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_z3.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:13:30,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:13:30,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:13:30,851 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:13:30,851 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:13:30,851 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:13:30,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:13:30,854 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:13:30,855 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:13:30,856 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:13:30,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:13:30,857 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:13:30,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:13:30,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:13:30,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:13:30,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:13:30,862 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:13:30,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:13:30,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:13:30,865 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:13:30,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:13:30,867 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:13:30,868 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:13:30,868 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:13:30,869 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:13:30,870 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:13:30,870 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:13:30,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:13:30,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:13:30,871 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:13:30,872 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:13:30,872 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:13:30,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:13:30,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:13:30,893 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:13:30,893 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:13:30,893 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:13:30,893 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:13:30,893 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:13:30,893 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:13:30,893 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:13:30,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:13:30,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:13:30,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:13:30,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:13:30,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:13:30,895 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:13:30,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:13:30,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:13:30,930 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:13:30,933 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:13:30,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:13:30,934 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:13:30,935 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 [2018-04-11 18:13:31,272 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG03380af54 [2018-04-11 18:13:31,432 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:13:31,432 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:13:31,433 INFO L168 CDTParser]: Scanning test-0158_false-valid-free.i [2018-04-11 18:13:31,439 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:13:31,439 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:13:31,440 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:13:31,440 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0158_false-valid-free.i [2018-04-11 18:13:31,440 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:13:31,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_long in test-0158_false-valid-free.i [2018-04-11 18:13:31,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__ulong in test-0158_false-valid-free.i [2018-04-11 18:13:31,440 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_rwlockattr_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 [2018-04-11 18:13:31,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__size_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int64_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____intptr_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____mode_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_once_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,446 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__wchar_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_mutex_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____socklen_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_int in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__off_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____suseconds_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__time_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int32_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__id_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____rlim_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsblkcnt_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__dev_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__uint in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__nlink_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_char in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____sig_atomic_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____pid_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____uid_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_mutexattr_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,447 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____off_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____gid_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____locale_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fd_mask in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsfilcnt_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____uint64_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____timer_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__int32_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____id_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__key_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____ssize_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int8_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____fd_mask in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__timer_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__clockid_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,448 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int32_t in test-0158_false-valid-free.i [2018-04-11 18:13:31,462 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG03380af54 [2018-04-11 18:13:31,465 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:13:31,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:13:31,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:13:31,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:13:31,470 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:13:31,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1365e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31, skipping insertion in model container [2018-04-11 18:13:31,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,483 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:13:31,505 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:13:31,623 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:13:31,657 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:13:31,666 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 159 non ball SCCs. Number of states in SCCs 159. [2018-04-11 18:13:31,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31 WrapperNode [2018-04-11 18:13:31,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:13:31,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:13:31,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:13:31,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:13:31,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (1/1) ... [2018-04-11 18:13:31,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:13:31,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:13:31,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:13:31,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:13:31,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (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 18:13:31,836 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:13:31,836 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:13:31,836 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:13:31,837 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:13:31,838 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:13:31,839 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:13:31,840 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:13:31,841 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:13:31,842 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:13:31,843 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:13:31,844 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:13:31,845 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:13:31,846 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-11 18:13:31,847 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-11 18:13:31,848 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-11 18:13:31,849 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-11 18:13:31,850 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:13:31,851 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 18:13:31,852 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 18:13:31,852 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:13:31,852 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:13:31,852 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:13:31,852 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:13:31,852 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:13:31,852 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:13:32,120 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:13:32,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:13:32 BoogieIcfgContainer [2018-04-11 18:13:32,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:13:32,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:13:32,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:13:32,124 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:13:32,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:13:31" (1/3) ... [2018-04-11 18:13:32,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110851c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:13:32, skipping insertion in model container [2018-04-11 18:13:32,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:31" (2/3) ... [2018-04-11 18:13:32,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110851c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:13:32, skipping insertion in model container [2018-04-11 18:13:32,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:13:32" (3/3) ... [2018-04-11 18:13:32,127 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_false-valid-free.i [2018-04-11 18:13:32,135 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:13:32,145 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 18:13:32,177 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:13:32,178 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:13:32,178 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:13:32,178 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:13:32,178 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:13:32,178 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:13:32,178 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:13:32,179 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:13:32,179 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:13:32,179 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:13:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-04-11 18:13:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 18:13:32,194 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:32,194 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:32,194 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]=== [2018-04-11 18:13:32,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1804432604, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:32,205 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:32,228 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:13:32,237 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,238 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,238 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,238 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,261 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:13:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:32,279 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 18:13:32,297 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:13:32,298 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:13:32,298 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:32,299 INFO L182 omatonBuilderFactory]: Interpolants [50#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 51#(= 1 (select |#valid| |main_~#data~0.base|)), 52#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 45#true, 46#false] [2018-04-11 18:13:32,299 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 18:13:32,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:13:32,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:13:32,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-04-11 18:13:32,308 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 5 states. [2018-04-11 18:13:32,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:32,397 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-04-11 18:13:32,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:13:32,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-04-11 18:13:32,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:32,404 INFO L225 Difference]: With dead ends: 37 [2018-04-11 18:13:32,404 INFO L226 Difference]: Without dead ends: 34 [2018-04-11 18:13:32,405 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2018-04-11 18:13:32,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-11 18:13:32,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-11 18:13:32,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-11 18:13:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2018-04-11 18:13:32,426 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 8 [2018-04-11 18:13:32,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:32,426 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2018-04-11 18:13:32,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:13:32,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2018-04-11 18:13:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-04-11 18:13:32,427 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:32,427 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:32,427 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]=== [2018-04-11 18:13:32,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1804432605, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:32,430 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:32,440 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:13:32,441 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,442 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,442 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,442 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,442 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,442 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,451 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 9 treesize of output 8 [2018-04-11 18:13:32,453 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 18:13:32,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 18:13:32,457 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:9 [2018-04-11 18:13:32,461 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (exists ((%2 (Array Int Int))) (! (and (= (store |c_#valid| %1 1) (store %0 %1 1)) (= (store |c_#length| %1 10) (store %2 %1 10))) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:13:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:32,518 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 18:13:32,540 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:13:32,540 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:13:32,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:32,541 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 18:13:32,541 INFO L182 omatonBuilderFactory]: Interpolants [131#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (exists ((%2 (Array Int Int))) (! (and (= (store |#valid| %1 1) (store %0 %1 1)) (= (store |#length| %1 10) (store %2 %1 10))) :qid itp)) :qid itp)) :qid itp)), 132#(and (= 1 (select |#valid| |main_~#data~0.base|)) (= 0 |main_~#data~0.offset|) (= 10 (select |#length| |main_~#data~0.base|))), 133#(and (<= 0 |main_~#data~0.offset|) (<= (+ |main_~#data~0.offset| 4) (select |#length| |main_~#data~0.base|)) (= 10 (select |#length| |main_~#data~0.base|))), 134#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 126#true, 127#false] [2018-04-11 18:13:32,541 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 18:13:32,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:13:32,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:13:32,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2018-04-11 18:13:32,543 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 6 states. [2018-04-11 18:13:32,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:32,622 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-04-11 18:13:32,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 18:13:32,623 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-04-11 18:13:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:32,624 INFO L225 Difference]: With dead ends: 29 [2018-04-11 18:13:32,624 INFO L226 Difference]: Without dead ends: 29 [2018-04-11 18:13:32,625 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=4, NotChecked=8, Total=42 [2018-04-11 18:13:32,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-11 18:13:32,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-11 18:13:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-11 18:13:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2018-04-11 18:13:32,628 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 8 [2018-04-11 18:13:32,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:32,628 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2018-04-11 18:13:32,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:13:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2018-04-11 18:13:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 18:13:32,629 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:32,629 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:32,629 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]=== [2018-04-11 18:13:32,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1847597954, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:32,633 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:32,652 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:13:32,654 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,655 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,655 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,655 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,655 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,656 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,668 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int)) (%2 (Array Int (Array Int Int)))) (! (and (= %1 (select |c_#memory_$Pointer$.offset| %0)) (forall ((%3 Int)) (! (let ((.cse0 (store %1 0 0))) (= (store |c_#memory_$Pointer$.offset| %3 .cse0) (store %2 %3 .cse0))) :qid itp))) :qid itp)) :qid itp)) is different from true [2018-04-11 18:13:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:32,754 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:13:32,754 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 18:13:32,754 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:32,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:32,754 INFO L182 omatonBuilderFactory]: Interpolants [195#true, 196#false, 200#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int)) (%2 (Array Int (Array Int Int)))) (! (and (= %1 (select |#memory_$Pointer$.offset| %0)) (forall ((%3 Int)) (! (= (store |#memory_$Pointer$.offset| %3 (store %1 0 0)) (store %2 %3 (store %1 0 0))) :qid itp))) :qid itp)) :qid itp)), 201#(= 0 |main_~#data~0.offset|), 202#(and (= 0 (select (store (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset| |main_#t~malloc0.offset|) 0)) (= 0 |main_~#data~0.offset|)), 203#(and (= 0 |main_~#data~0.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))), 204#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))), 205#(= 0 |main_#t~mem2.offset|), 206#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:13:32,754 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 18:13:32,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:13:32,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:13:32,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=41, Unknown=1, NotChecked=12, Total=72 [2018-04-11 18:13:32,755 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 9 states. [2018-04-11 18:13:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:32,852 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2018-04-11 18:13:32,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 18:13:32,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2018-04-11 18:13:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:32,853 INFO L225 Difference]: With dead ends: 28 [2018-04-11 18:13:32,853 INFO L226 Difference]: Without dead ends: 28 [2018-04-11 18:13:32,853 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=77, Unknown=2, NotChecked=18, Total=132 [2018-04-11 18:13:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-04-11 18:13:32,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-04-11 18:13:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-11 18:13:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2018-04-11 18:13:32,855 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 14 [2018-04-11 18:13:32,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:32,856 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2018-04-11 18:13:32,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:13:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2018-04-11 18:13:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 18:13:32,856 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:32,856 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:32,857 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]=== [2018-04-11 18:13:32,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1440961779, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:32,863 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:32,911 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-04-11 18:13:32,913 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,914 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,914 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,914 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,914 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,914 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,915 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,915 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,938 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int (Array Int Int)))) (! (forall ((%1 Int) (%2 Int)) (! (exists ((%3 (Array Int Int))) (! (forall ((%4 Int)) (! (= (store |c_#memory_$Pointer$.base| %1 (store (select |c_#memory_$Pointer$.base| %2) 0 %4)) (store %0 %1 (store %3 0 %4))) :qid itp)) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:13:32,939 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,939 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,939 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,939 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:32,946 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%1 (Array Int Int)) (%0 (Array Int (Array Int Int)))) (! (let ((.cse0 (= |c_main_~#data~0.offset| 0))) (and .cse0 (or (not .cse0) (= 0 |c_main_~#data~0.offset|)) (forall ((%2 Int)) (! (= (store |c_#memory_$Pointer$.base| |c_main_~#data~0.base| (store (select |c_#memory_$Pointer$.base| |c_main_~#data~0.base|) 0 %2)) (store %0 |c_main_~#data~0.base| (store %1 0 %2))) :qid itp)))) :qid itp)) is different from true [2018-04-11 18:13:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:33,003 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:13:33,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 18:13:33,004 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 18:13:33,004 INFO L182 omatonBuilderFactory]: Interpolants [274#(exists ((%0 (Array Int (Array Int Int)))) (! (forall ((%1 Int) (%2 Int)) (! (exists ((%3 (Array Int Int))) (! (forall ((%4 Int)) (! (= (store |#memory_$Pointer$.base| %1 (store (select |#memory_$Pointer$.base| %2) 0 %4)) (store %0 %1 (store %3 0 %4))) :qid itp)) :qid itp)) :qid itp)) :qid itp)), 275#(exists ((%1 (Array Int Int)) (%0 (Array Int (Array Int Int)))) (! (and (= |main_~#data~0.offset| 0) (or (not (= |main_~#data~0.offset| 0)) (= 0 |main_~#data~0.offset|)) (forall ((%2 Int)) (! (= (store |#memory_$Pointer$.base| |main_~#data~0.base| (store (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0 %2)) (store %0 |main_~#data~0.base| (store %1 0 %2))) :qid itp))) :qid itp)), 276#(and (= 0 |main_~#data~0.offset|) (= 1 (select |#valid| |main_#t~malloc0.base|))), 277#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))) (= 0 |main_~#data~0.offset|)), 278#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))) (= (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))), 279#(= 1 (select |#valid| |main_#t~mem2.base|)), 280#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 269#true, 270#false] [2018-04-11 18:13:33,004 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 18:13:33,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 18:13:33,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 18:13:33,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=32, Unknown=2, NotChecked=22, Total=72 [2018-04-11 18:13:33,005 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 9 states. [2018-04-11 18:13:33,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:33,110 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-04-11 18:13:33,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 18:13:33,110 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-04-11 18:13:33,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:33,111 INFO L225 Difference]: With dead ends: 27 [2018-04-11 18:13:33,111 INFO L226 Difference]: Without dead ends: 27 [2018-04-11 18:13:33,112 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=63, Unknown=4, NotChecked=34, Total=132 [2018-04-11 18:13:33,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-11 18:13:33,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-04-11 18:13:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-11 18:13:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-04-11 18:13:33,114 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 15 [2018-04-11 18:13:33,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:33,114 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-04-11 18:13:33,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 18:13:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-04-11 18:13:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 18:13:33,115 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:33,115 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:33,115 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]=== [2018-04-11 18:13:33,115 INFO L82 PathProgramCache]: Analyzing trace with hash -505711675, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:33,119 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:33,185 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 18:13:33,212 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:13:33,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 18:13:33,213 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:33,213 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 18:13:33,213 INFO L182 omatonBuilderFactory]: Interpolants [341#true, 342#false, 346#(= 0 |main_~#data~0.offset|), 347#(and (= |main_#t~mem1.offset| (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))), 348#(or (and (not (= (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0) 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))) (= main_~ptr~0.offset 0)), 349#(or (= main_~ptr~0.offset 0) (not (= |main_#t~mem2.offset| 0))), 350#(= 0 main_~ptr~0.offset), 351#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-04-11 18:13:33,213 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 18:13:33,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 18:13:33,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 18:13:33,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 18:13:33,213 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 8 states. [2018-04-11 18:13:33,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:33,333 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-04-11 18:13:33,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 18:13:33,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-11 18:13:33,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:33,333 INFO L225 Difference]: With dead ends: 26 [2018-04-11 18:13:33,333 INFO L226 Difference]: Without dead ends: 26 [2018-04-11 18:13:33,334 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-11 18:13:33,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-11 18:13:33,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-11 18:13:33,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-11 18:13:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-04-11 18:13:33,336 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 18 [2018-04-11 18:13:33,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:33,336 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-04-11 18:13:33,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 18:13:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-04-11 18:13:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 18:13:33,337 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:33,337 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:33,337 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]=== [2018-04-11 18:13:33,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1502807318, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:33,340 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 18:13:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 18:13:33,384 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 18:13:33,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 06:13:33 BoogieIcfgContainer [2018-04-11 18:13:33,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 18:13:33,400 INFO L168 Benchmark]: Toolchain (without parser) took 1934.17 ms. Allocated memory was 402.1 MB in the beginning and 585.6 MB in the end (delta: 183.5 MB). Free memory was 333.3 MB in the beginning and 468.6 MB in the end (delta: -135.3 MB). Peak memory consumption was 48.2 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:33,401 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 402.1 MB. Free memory is still 359.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:13:33,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.26 ms. Allocated memory is still 402.1 MB. Free memory was 333.3 MB in the beginning and 300.2 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:33,402 INFO L168 Benchmark]: Boogie Preprocessor took 37.80 ms. Allocated memory is still 402.1 MB. Free memory was 300.2 MB in the beginning and 297.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:33,402 INFO L168 Benchmark]: RCFGBuilder took 376.65 ms. Allocated memory was 402.1 MB in the beginning and 585.6 MB in the end (delta: 183.5 MB). Free memory was 297.6 MB in the beginning and 514.2 MB in the end (delta: -216.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:33,403 INFO L168 Benchmark]: TraceAbstraction took 1277.57 ms. Allocated memory is still 585.6 MB. Free memory was 514.2 MB in the beginning and 468.6 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:33,405 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 402.1 MB. Free memory is still 359.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 239.26 ms. Allocated memory is still 402.1 MB. Free memory was 333.3 MB in the beginning and 300.2 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 37.80 ms. Allocated memory is still 402.1 MB. Free memory was 300.2 MB in the beginning and 297.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 376.65 ms. Allocated memory was 402.1 MB in the beginning and 585.6 MB in the end (delta: 183.5 MB). Free memory was 297.6 MB in the beginning and 514.2 MB in the end (delta: -216.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1277.57 ms. Allocated memory is still 585.6 MB. Free memory was 514.2 MB in the beginning and 468.6 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 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={15:0}] [L750] EXPR, FCALL malloc(37U) VAL [data={15:0}, malloc(37U)={13:0}] [L750] FCALL data.p0 = malloc(37U) VAL [data={15:0}, malloc(37U)={13:0}] [L751] FCALL data.str.p2 = &data VAL [data={15:0}, malloc(37U)={13:0}] [L752] EXPR, FCALL data.p0 VAL [data={15:0}, data.p0={13:0}, malloc(37U)={13:0}] [L752] void *ptr = data.p0; [L753] FCALL data.str.c[1] = sizeof data.str.p1 VAL [data={15:0}, malloc(37U)={13:0}, ptr={13:0}] [L754] EXPR, FCALL data.p0 VAL [data={15:0}, data.p0={13:0}, malloc(37U)={13:0}, ptr={13:0}] [L754] free(data.p0) VAL [data={15:0}, data.p0={13:0}, malloc(37U)={13:0}, ptr={13:0}] [L754] free(data.p0) VAL [data={15:0}, data.p0={13:0}, malloc(37U)={13:0}, ptr={13:0}] [L754] FCALL free(data.p0) VAL [data={15:0}, data.p0={13:0}, malloc(37U)={13:0}, ptr={13:0}] [L755] free(ptr) VAL [data={15:0}, malloc(37U)={13:0}, ptr={13:0}] [L755] free(ptr) VAL [data={15:0}, malloc(37U)={13:0}, ptr={13:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 15 error locations. UNSAFE Result, 1.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 86 SDtfs, 145 SDslu, 120 SDs, 0 SdLazy, 268 SolverSat, 27 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s 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, 0.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 5 QuantifiedInterpolants, 7178 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_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-13-33-414.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_z3.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_18-13-33-414.csv Received shutdown request...