java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 17:23:55,878 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 17:23:55,880 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 17:23:55,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 17:23:55,893 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 17:23:55,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 17:23:55,896 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 17:23:55,898 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 17:23:55,900 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 17:23:55,901 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 17:23:55,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 17:23:55,902 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 17:23:55,903 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 17:23:55,904 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 17:23:55,905 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 17:23:55,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 17:23:55,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 17:23:55,909 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 17:23:55,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 17:23:55,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 17:23:55,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 17:23:55,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 17:23:55,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 17:23:55,919 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 17:23:55,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 17:23:55,920 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 17:23:55,921 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 17:23:55,922 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 17:23:55,923 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 17:23:55,924 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 17:23:55,924 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 17:23:55,925 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 17:23:55,925 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 17:23:55,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 17:23:55,926 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 17:23:55,927 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 17:23:55,928 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-14 17:23:55,944 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 17:23:55,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 17:23:55,945 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 17:23:55,945 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 17:23:55,946 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 17:23:55,946 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 17:23:55,946 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 17:23:55,946 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 17:23:55,947 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 17:23:55,947 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 17:23:55,947 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 17:23:55,947 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 17:23:55,947 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 17:23:55,948 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 17:23:55,948 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 17:23:55,948 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 17:23:55,948 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 17:23:55,948 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 17:23:55,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 17:23:55,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 17:23:55,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 17:23:55,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 17:23:55,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 17:23:55,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 17:23:55,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 17:23:55,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 17:23:55,950 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 17:23:55,951 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 17:23:55,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 17:23:55,951 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 17:23:56,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 17:23:56,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 17:23:56,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 17:23:56,036 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 17:23:56,037 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 17:23:56,038 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-14 17:23:56,109 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d1d19fa/1c7008f792664da395065c0c06ecab25/FLAG91f5313ec [2018-11-14 17:23:56,690 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 17:23:56,691 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-14 17:23:56,707 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d1d19fa/1c7008f792664da395065c0c06ecab25/FLAG91f5313ec [2018-11-14 17:23:56,721 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d1d19fa/1c7008f792664da395065c0c06ecab25 [2018-11-14 17:23:56,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 17:23:56,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 17:23:56,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 17:23:56,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 17:23:56,747 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 17:23:56,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:23:56" (1/1) ... [2018-11-14 17:23:56,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112c4233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:56, skipping insertion in model container [2018-11-14 17:23:56,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:23:56" (1/1) ... [2018-11-14 17:23:56,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 17:23:56,815 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 17:23:57,175 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:23:57,187 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 17:23:57,266 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 17:23:57,426 INFO L195 MainTranslator]: Completed translation [2018-11-14 17:23:57,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57 WrapperNode [2018-11-14 17:23:57,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 17:23:57,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 17:23:57,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 17:23:57,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 17:23:57,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (1/1) ... [2018-11-14 17:23:57,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (1/1) ... [2018-11-14 17:23:57,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (1/1) ... [2018-11-14 17:23:57,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (1/1) ... [2018-11-14 17:23:57,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (1/1) ... [2018-11-14 17:23:57,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (1/1) ... [2018-11-14 17:23:57,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (1/1) ... [2018-11-14 17:23:57,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 17:23:57,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 17:23:57,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 17:23:57,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 17:23:57,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (1/1) ... No working directory specified, using /storage/repos/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 [2018-11-14 17:23:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 17:23:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 17:23:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 17:23:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-14 17:23:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-14 17:23:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-14 17:23:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-14 17:23:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-14 17:23:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-14 17:23:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-14 17:23:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-14 17:23:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-14 17:23:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-14 17:23:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-14 17:23:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-14 17:23:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-14 17:23:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-14 17:23:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-14 17:23:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-14 17:23:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-14 17:23:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-14 17:23:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-14 17:23:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-14 17:23:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-14 17:23:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-14 17:23:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-14 17:23:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-14 17:23:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-14 17:23:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-14 17:23:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-14 17:23:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-14 17:23:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-14 17:23:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-14 17:23:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-14 17:23:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-14 17:23:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-14 17:23:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-14 17:23:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-14 17:23:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-14 17:23:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-14 17:23:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-14 17:23:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-14 17:23:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-14 17:23:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-14 17:23:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-14 17:23:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-14 17:23:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-14 17:23:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-14 17:23:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-14 17:23:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-14 17:23:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-14 17:23:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-14 17:23:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-14 17:23:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-14 17:23:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-14 17:23:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-14 17:23:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-14 17:23:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-14 17:23:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-14 17:23:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-14 17:23:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-14 17:23:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-14 17:23:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-14 17:23:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-14 17:23:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-14 17:23:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-14 17:23:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-14 17:23:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-14 17:23:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-14 17:23:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-14 17:23:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-14 17:23:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-14 17:23:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-14 17:23:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-14 17:23:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-14 17:23:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-14 17:23:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-14 17:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-14 17:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-14 17:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-14 17:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-14 17:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-14 17:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-14 17:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-14 17:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-14 17:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-14 17:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-14 17:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-14 17:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-14 17:23:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-14 17:23:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-14 17:23:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-14 17:23:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-14 17:23:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-14 17:23:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-14 17:23:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-14 17:23:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-14 17:23:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-14 17:23:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-14 17:23:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-14 17:23:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-14 17:23:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-14 17:23:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-14 17:23:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-14 17:23:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-14 17:23:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-14 17:23:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 17:23:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 17:23:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 17:23:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 17:23:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-14 17:23:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-14 17:23:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-14 17:23:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-14 17:23:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 17:23:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 17:23:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 17:23:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-14 17:23:58,761 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 17:23:58,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:23:58 BoogieIcfgContainer [2018-11-14 17:23:58,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 17:23:58,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 17:23:58,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 17:23:58,766 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 17:23:58,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:23:56" (1/3) ... [2018-11-14 17:23:58,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176042b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:23:58, skipping insertion in model container [2018-11-14 17:23:58,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:23:57" (2/3) ... [2018-11-14 17:23:58,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176042b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:23:58, skipping insertion in model container [2018-11-14 17:23:58,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:23:58" (3/3) ... [2018-11-14 17:23:58,770 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional_false-unreach-call_false-valid-memcleanup.i [2018-11-14 17:23:58,780 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 17:23:58,789 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 17:23:58,806 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 17:23:58,840 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 17:23:58,840 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 17:23:58,841 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 17:23:58,841 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 17:23:58,841 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 17:23:58,841 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 17:23:58,842 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 17:23:58,842 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 17:23:58,842 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 17:23:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-14 17:23:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-14 17:23:58,869 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:23:58,870 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:23:58,872 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:23:58,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:23:58,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1756717195, now seen corresponding path program 1 times [2018-11-14 17:23:58,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:23:58,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:23:58,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:23:58,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:23:58,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:23:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 17:23:59,101 INFO L256 TraceCheckUtils]: 0: Hoare triple {37#true} call ULTIMATE.init(); {37#true} is VALID [2018-11-14 17:23:59,107 INFO L273 TraceCheckUtils]: 1: Hoare triple {37#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {37#true} is VALID [2018-11-14 17:23:59,108 INFO L273 TraceCheckUtils]: 2: Hoare triple {37#true} assume true; {37#true} is VALID [2018-11-14 17:23:59,108 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {37#true} {37#true} #108#return; {37#true} is VALID [2018-11-14 17:23:59,109 INFO L256 TraceCheckUtils]: 4: Hoare triple {37#true} call #t~ret19 := main(); {37#true} is VALID [2018-11-14 17:23:59,109 INFO L273 TraceCheckUtils]: 5: Hoare triple {37#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(12);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset + 0, 4);assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {37#true} is VALID [2018-11-14 17:23:59,110 INFO L273 TraceCheckUtils]: 6: Hoare triple {37#true} assume #t~nondet1 != 0;havoc #t~nondet1;call write~int(2, ~head~0.base, ~head~0.offset + 8, 4);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.alloc(12);call write~$Pointer$(#t~malloc2.base, #t~malloc2.offset, ~head~0.base, ~head~0.offset + 4, 4);call #t~mem3.base, #t~mem3.offset := read~$Pointer$(~head~0.base, ~head~0.offset + 4, 4);call write~$Pointer$(0, 0, #t~mem3.base, #t~mem3.offset + 0, 4);havoc #t~mem3.base, #t~mem3.offset; {37#true} is VALID [2018-11-14 17:23:59,110 INFO L273 TraceCheckUtils]: 7: Hoare triple {37#true} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {37#true} is VALID [2018-11-14 17:23:59,123 INFO L273 TraceCheckUtils]: 8: Hoare triple {37#true} assume !true; {38#false} is VALID [2018-11-14 17:23:59,124 INFO L273 TraceCheckUtils]: 9: Hoare triple {38#false} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {38#false} is VALID [2018-11-14 17:23:59,124 INFO L273 TraceCheckUtils]: 10: Hoare triple {38#false} assume true; {38#false} is VALID [2018-11-14 17:23:59,125 INFO L273 TraceCheckUtils]: 11: Hoare triple {38#false} assume !!(~x~0.base != 0 || ~x~0.offset != 0); {38#false} is VALID [2018-11-14 17:23:59,125 INFO L273 TraceCheckUtils]: 12: Hoare triple {38#false} assume true;call #t~mem12 := read~int(~x~0.base, ~x~0.offset + 8, 4);#t~short14 := #t~mem12 == 2; {38#false} is VALID [2018-11-14 17:23:59,125 INFO L273 TraceCheckUtils]: 13: Hoare triple {38#false} assume #t~short14;call #t~mem13.base, #t~mem13.offset := read~$Pointer$(~x~0.base, ~x~0.offset + 4, 4);#t~short14 := #t~mem13.base == ~x~0.base && #t~mem13.offset == ~x~0.offset; {38#false} is VALID [2018-11-14 17:23:59,126 INFO L273 TraceCheckUtils]: 14: Hoare triple {38#false} assume !#t~short14;havoc #t~short14;havoc #t~mem12;havoc #t~mem13.base, #t~mem13.offset; {38#false} is VALID [2018-11-14 17:23:59,126 INFO L273 TraceCheckUtils]: 15: Hoare triple {38#false} assume !false; {38#false} is VALID [2018-11-14 17:23:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 17:23:59,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 17:23:59,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 17:23:59,140 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-14 17:23:59,143 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 17:23:59,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 17:23:59,239 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:23:59,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 17:23:59,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 17:23:59,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 17:23:59,250 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2018-11-14 17:23:59,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:23:59,621 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2018-11-14 17:23:59,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 17:23:59,622 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-14 17:23:59,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 17:23:59,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 17:23:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 76 transitions. [2018-11-14 17:23:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 17:23:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 76 transitions. [2018-11-14 17:23:59,645 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 76 transitions. [2018-11-14 17:24:00,109 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 17:24:00,121 INFO L225 Difference]: With dead ends: 54 [2018-11-14 17:24:00,121 INFO L226 Difference]: Without dead ends: 24 [2018-11-14 17:24:00,125 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 17:24:00,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-14 17:24:00,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-14 17:24:00,163 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 17:24:00,163 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand 24 states. [2018-11-14 17:24:00,164 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2018-11-14 17:24:00,164 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2018-11-14 17:24:00,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:24:00,169 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2018-11-14 17:24:00,169 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-14 17:24:00,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:24:00,170 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:24:00,170 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 24 states. [2018-11-14 17:24:00,170 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 24 states. [2018-11-14 17:24:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 17:24:00,174 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2018-11-14 17:24:00,175 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-14 17:24:00,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 17:24:00,175 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 17:24:00,176 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 17:24:00,176 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 17:24:00,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-14 17:24:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2018-11-14 17:24:00,180 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 16 [2018-11-14 17:24:00,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 17:24:00,181 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2018-11-14 17:24:00,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 17:24:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-14 17:24:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-14 17:24:00,182 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 17:24:00,182 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 17:24:00,183 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 17:24:00,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 17:24:00,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1109679108, now seen corresponding path program 1 times [2018-11-14 17:24:00,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-14 17:24:00,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-14 17:24:00,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:24:00,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 17:24:00,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-14 17:24:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 17:24:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-14 17:24:00,311 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-14 17:24:00,343 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-14 17:24:00,343 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 17:24:00,344 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-14 17:24:00,344 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-14 17:24:00,344 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 17:24:00,344 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 17:24:00,344 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-14 17:24:00,344 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2018-11-14 17:24:00,345 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2018-11-14 17:24:00,345 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 17:24:00,345 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 17:24:00,345 WARN L170 areAnnotationChecker]: L987-4 has no Hoare annotation [2018-11-14 17:24:00,345 WARN L170 areAnnotationChecker]: L987-2 has no Hoare annotation [2018-11-14 17:24:00,345 WARN L170 areAnnotationChecker]: L987-2 has no Hoare annotation [2018-11-14 17:24:00,345 WARN L170 areAnnotationChecker]: L990-8 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L990-8 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L990-1 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L990-9 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L990-2 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L990-2 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L994-3 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L994-3 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L990-4 has no Hoare annotation [2018-11-14 17:24:00,346 WARN L170 areAnnotationChecker]: L990-4 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L994-1 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L994-1 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L994-4 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L990-6 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L990-6 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L996-8 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L996-8 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L1002-3 has no Hoare annotation [2018-11-14 17:24:00,347 WARN L170 areAnnotationChecker]: L1002-3 has no Hoare annotation [2018-11-14 17:24:00,348 WARN L170 areAnnotationChecker]: L996-1 has no Hoare annotation [2018-11-14 17:24:00,348 WARN L170 areAnnotationChecker]: L996-1 has no Hoare annotation [2018-11-14 17:24:00,348 WARN L170 areAnnotationChecker]: L996-9 has no Hoare annotation [2018-11-14 17:24:00,348 WARN L170 areAnnotationChecker]: L1002-1 has no Hoare annotation [2018-11-14 17:24:00,348 WARN L170 areAnnotationChecker]: L1002-1 has no Hoare annotation [2018-11-14 17:24:00,348 WARN L170 areAnnotationChecker]: L1002-4 has no Hoare annotation [2018-11-14 17:24:00,348 WARN L170 areAnnotationChecker]: L996-3 has no Hoare annotation [2018-11-14 17:24:00,349 WARN L170 areAnnotationChecker]: L996-3 has no Hoare annotation [2018-11-14 17:24:00,349 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2018-11-14 17:24:00,349 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2018-11-14 17:24:00,349 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 17:24:00,349 WARN L170 areAnnotationChecker]: L996-4 has no Hoare annotation [2018-11-14 17:24:00,350 WARN L170 areAnnotationChecker]: L996-4 has no Hoare annotation [2018-11-14 17:24:00,350 WARN L170 areAnnotationChecker]: L996-6 has no Hoare annotation [2018-11-14 17:24:00,350 WARN L170 areAnnotationChecker]: L996-6 has no Hoare annotation [2018-11-14 17:24:00,350 WARN L170 areAnnotationChecker]: L1006-2 has no Hoare annotation [2018-11-14 17:24:00,350 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 17:24:00,350 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 17:24:00,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:24:00 BoogieIcfgContainer [2018-11-14 17:24:00,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 17:24:00,355 INFO L168 Benchmark]: Toolchain (without parser) took 3616.63 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -683.5 MB). Peak memory consumption was 74.6 MB. Max. memory is 7.1 GB. [2018-11-14 17:24:00,357 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 17:24:00,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -817.3 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2018-11-14 17:24:00,358 INFO L168 Benchmark]: Boogie Preprocessor took 96.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-11-14 17:24:00,359 INFO L168 Benchmark]: RCFGBuilder took 1237.82 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 67.2 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. [2018-11-14 17:24:00,360 INFO L168 Benchmark]: TraceAbstraction took 1590.31 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2018-11-14 17:24:00,364 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.1 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -817.3 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.82 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 67.2 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1590.31 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] COND TRUE __VERIFIER_nondet_int() [L987] FCALL head->data = 2 [L987] EXPR, FCALL malloc(sizeof(SLL)) [L987] FCALL head->opt = malloc(sizeof(SLL)) [L987] EXPR, FCALL head->opt [L987] FCALL head->opt->next = ((void*)0) [L988] SLL* x = head; VAL [head={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, x={15:0}] [L990] COND FALSE !(__VERIFIER_nondet_int()) [L993] x = head VAL [head={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, x={15:0}] [L994] COND TRUE x != ((void*)0) VAL [head={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, x={15:0}] [L996] EXPR, FCALL x->data [L996] EXPR x->data == 2 && x->opt == x [L996] EXPR, FCALL x->opt [L996] EXPR x->data == 2 && x->opt == x VAL [head={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, x={15:0}, x->data=2, x->data == 2 && x->opt == x=0, x->opt={14:0}] [L996] COND TRUE !(x->data == 2 && x->opt == x) [L996] __VERIFIER_error() VAL [head={15:0}, malloc(sizeof(SLL))={15:0}, malloc(sizeof(SLL))={14:0}, x={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 34 locations, 1 error locations. UNSAFE Result, 1.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...