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-simple-white-blue_false-unreach-call_false-valid-memcleanup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 23:47:57,070 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 23:47:57,072 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 23:47:57,087 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 23:47:57,088 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 23:47:57,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 23:47:57,090 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 23:47:57,092 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 23:47:57,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 23:47:57,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 23:47:57,096 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 23:47:57,096 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 23:47:57,097 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 23:47:57,098 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 23:47:57,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 23:47:57,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 23:47:57,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 23:47:57,104 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 23:47:57,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 23:47:57,108 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 23:47:57,109 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 23:47:57,110 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 23:47:57,113 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 23:47:57,114 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 23:47:57,114 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 23:47:57,115 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 23:47:57,116 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 23:47:57,117 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 23:47:57,118 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 23:47:57,119 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 23:47:57,119 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 23:47:57,120 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 23:47:57,120 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 23:47:57,120 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 23:47:57,121 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 23:47:57,122 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 23:47:57,123 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 [2018-11-18 23:47:57,138 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 23:47:57,138 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 23:47:57,139 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 23:47:57,139 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 23:47:57,140 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 23:47:57,140 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 23:47:57,140 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 23:47:57,140 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 23:47:57,140 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 23:47:57,141 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 23:47:57,141 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 23:47:57,141 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 23:47:57,141 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 23:47:57,141 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 23:47:57,142 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 23:47:57,142 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 23:47:57,142 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 23:47:57,142 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 23:47:57,142 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 23:47:57,143 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 23:47:57,143 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 23:47:57,143 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 23:47:57,143 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 23:47:57,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 23:47:57,144 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 23:47:57,144 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 23:47:57,144 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 23:47:57,144 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 23:47:57,144 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 23:47:57,145 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 23:47:57,145 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 23:47:57,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 23:47:57,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 23:47:57,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 23:47:57,214 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 23:47:57,215 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 23:47:57,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 23:47:57,277 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789439122/3632840d1525438cba580c57331b7adb/FLAG5e86a1aa5 [2018-11-18 23:47:57,773 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 23:47:57,774 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 23:47:57,789 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789439122/3632840d1525438cba580c57331b7adb/FLAG5e86a1aa5 [2018-11-18 23:47:58,077 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789439122/3632840d1525438cba580c57331b7adb [2018-11-18 23:47:58,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 23:47:58,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 23:47:58,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 23:47:58,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 23:47:58,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 23:47:58,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:58,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509ad3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58, skipping insertion in model container [2018-11-18 23:47:58,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:58,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 23:47:58,184 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 23:47:58,620 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:47:58,634 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 23:47:58,727 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 23:47:58,932 INFO L195 MainTranslator]: Completed translation [2018-11-18 23:47:58,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58 WrapperNode [2018-11-18 23:47:58,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 23:47:58,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 23:47:58,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 23:47:58,935 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 23:47:58,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:58,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:58,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:58,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:59,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:59,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:59,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (1/1) ... [2018-11-18 23:47:59,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 23:47:59,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 23:47:59,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 23:47:59,060 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 23:47:59,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (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 [2018-11-18 23:47:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 23:47:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 23:47:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 23:47:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-18 23:47:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-18 23:47:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-18 23:47:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-18 23:47:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-18 23:47:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-18 23:47:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-18 23:47:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-18 23:47:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-18 23:47:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-18 23:47:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-18 23:47:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-18 23:47:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-18 23:47:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-18 23:47:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-18 23:47:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-18 23:47:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-18 23:47:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-18 23:47:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-18 23:47:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-18 23:47:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-18 23:47:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 23:47:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-18 23:47:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-18 23:47:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-18 23:47:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-18 23:47:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-18 23:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-18 23:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-18 23:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-18 23:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-18 23:47:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-18 23:47:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-18 23:47:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-18 23:47:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-18 23:47:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-18 23:47:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-18 23:47:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-18 23:47:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-18 23:47:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-18 23:47:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-18 23:47:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-18 23:47:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-18 23:47:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-18 23:47:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-18 23:47:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-18 23:47:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-18 23:47:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-18 23:47:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-18 23:47:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-18 23:47:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 23:47:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 23:47:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 23:47:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 23:47:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 23:47:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-18 23:47:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 23:47:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-18 23:47:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-11-18 23:47:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-18 23:47:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-18 23:47:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-11-18 23:47:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-18 23:47:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 23:47:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-11-18 23:47:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-18 23:47:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-18 23:47:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-18 23:47:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-18 23:47:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-18 23:47:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-18 23:47:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-18 23:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-18 23:47:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-18 23:47:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-18 23:47:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-18 23:47:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-18 23:47:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-18 23:47:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-18 23:47:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-18 23:47:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-18 23:47:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-18 23:47:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-18 23:47:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-18 23:47:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-18 23:47:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-18 23:47:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-18 23:47:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-18 23:47:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-18 23:47:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-18 23:47:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-18 23:47:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-18 23:47:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-18 23:47:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-18 23:47:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-18 23:47:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-18 23:47:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-18 23:47:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-18 23:47:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-18 23:47:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-18 23:47:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-18 23:47:59,164 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-18 23:47:59,165 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-18 23:47:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 23:47:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 23:47:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 23:47:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 23:47:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 23:47:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 23:47:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 23:47:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 23:47:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 23:47:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 23:47:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 23:47:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 23:48:00,432 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 23:48:00,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:48:00 BoogieIcfgContainer [2018-11-18 23:48:00,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 23:48:00,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 23:48:00,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 23:48:00,437 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 23:48:00,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:47:58" (1/3) ... [2018-11-18 23:48:00,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d99e6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:48:00, skipping insertion in model container [2018-11-18 23:48:00,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:47:58" (2/3) ... [2018-11-18 23:48:00,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d99e6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:48:00, skipping insertion in model container [2018-11-18 23:48:00,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:48:00" (3/3) ... [2018-11-18 23:48:00,441 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue_false-unreach-call_false-valid-memcleanup.i [2018-11-18 23:48:00,451 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 23:48:00,461 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 23:48:00,479 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 23:48:00,509 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 23:48:00,509 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 23:48:00,510 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 23:48:00,510 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 23:48:00,510 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 23:48:00,510 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 23:48:00,510 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 23:48:00,510 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 23:48:00,510 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 23:48:00,530 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-18 23:48:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 23:48:00,537 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:48:00,538 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:48:00,543 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:48:00,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:48:00,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1987783185, now seen corresponding path program 1 times [2018-11-18 23:48:00,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:48:00,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:48:00,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:48:00,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:48:00,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:48:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 23:48:00,738 INFO L256 TraceCheckUtils]: 0: Hoare triple {41#true} call ULTIMATE.init(); {41#true} is VALID [2018-11-18 23:48:00,743 INFO L273 TraceCheckUtils]: 1: Hoare triple {41#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {41#true} is VALID [2018-11-18 23:48:00,744 INFO L273 TraceCheckUtils]: 2: Hoare triple {41#true} assume true; {41#true} is VALID [2018-11-18 23:48:00,744 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {41#true} {41#true} #120#return; {41#true} is VALID [2018-11-18 23:48:00,745 INFO L256 TraceCheckUtils]: 4: Hoare triple {41#true} call #t~ret19 := main(); {41#true} is VALID [2018-11-18 23:48:00,745 INFO L273 TraceCheckUtils]: 5: Hoare triple {41#true} call #t~malloc0.base, #t~malloc0.offset := #Ultimate.alloc(8);~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset;call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4);call write~int(0, ~head~0.base, 4 + ~head~0.offset, 4);~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {41#true} is VALID [2018-11-18 23:48:00,758 INFO L273 TraceCheckUtils]: 6: Hoare triple {41#true} assume !true; {42#false} is VALID [2018-11-18 23:48:00,759 INFO L273 TraceCheckUtils]: 7: Hoare triple {42#false} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {42#false} is VALID [2018-11-18 23:48:00,759 INFO L273 TraceCheckUtils]: 8: Hoare triple {42#false} assume 0 != #t~nondet4;havoc #t~nondet4;call #t~malloc5.base, #t~malloc5.offset := #Ultimate.alloc(8);~x~0.base, ~x~0.offset := #t~malloc5.base, #t~malloc5.offset;call write~int(1, ~x~0.base, 4 + ~x~0.offset, 4);call write~$Pointer$(~head~0.base, ~head~0.offset, ~x~0.base, ~x~0.offset, 4);~head~0.base, ~head~0.offset := ~x~0.base, ~x~0.offset; {42#false} is VALID [2018-11-18 23:48:00,760 INFO L273 TraceCheckUtils]: 9: Hoare triple {42#false} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {42#false} is VALID [2018-11-18 23:48:00,760 INFO L273 TraceCheckUtils]: 10: Hoare triple {42#false} assume !true; {42#false} is VALID [2018-11-18 23:48:00,760 INFO L273 TraceCheckUtils]: 11: Hoare triple {42#false} call #t~mem15.base, #t~mem15.offset := read~$Pointer$(~x~0.base, ~x~0.offset, 4);~x~0.base, ~x~0.offset := #t~mem15.base, #t~mem15.offset;havoc #t~mem15.base, #t~mem15.offset; {42#false} is VALID [2018-11-18 23:48:00,761 INFO L273 TraceCheckUtils]: 12: Hoare triple {42#false} assume true; {42#false} is VALID [2018-11-18 23:48:00,761 INFO L273 TraceCheckUtils]: 13: Hoare triple {42#false} assume !!(~x~0.base != 0 || ~x~0.offset != 0);call #t~mem16 := read~int(~x~0.base, 4 + ~x~0.offset, 4); {42#false} is VALID [2018-11-18 23:48:00,761 INFO L273 TraceCheckUtils]: 14: Hoare triple {42#false} assume 1 != #t~mem16;havoc #t~mem16; {42#false} is VALID [2018-11-18 23:48:00,762 INFO L273 TraceCheckUtils]: 15: Hoare triple {42#false} assume true; {42#false} is VALID [2018-11-18 23:48:00,762 INFO L273 TraceCheckUtils]: 16: Hoare triple {42#false} assume true; {42#false} is VALID [2018-11-18 23:48:00,762 INFO L273 TraceCheckUtils]: 17: Hoare triple {42#false} assume !false; {42#false} is VALID [2018-11-18 23:48:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 23:48:00,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 23:48:00,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 23:48:00,775 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 23:48:00,779 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 23:48:00,783 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-18 23:48:00,930 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:48:00,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 23:48:00,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 23:48:00,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 23:48:00,945 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-18 23:48:01,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:48:01,219 INFO L93 Difference]: Finished difference Result 66 states and 93 transitions. [2018-11-18 23:48:01,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 23:48:01,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 23:48:01,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 23:48:01,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 23:48:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 93 transitions. [2018-11-18 23:48:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-18 23:48:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 93 transitions. [2018-11-18 23:48:01,242 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 93 transitions. [2018-11-18 23:48:01,852 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 23:48:01,865 INFO L225 Difference]: With dead ends: 66 [2018-11-18 23:48:01,865 INFO L226 Difference]: Without dead ends: 29 [2018-11-18 23:48:01,869 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 [2018-11-18 23:48:01,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-18 23:48:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-18 23:48:01,905 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 23:48:01,906 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 29 states. [2018-11-18 23:48:01,906 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2018-11-18 23:48:01,907 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2018-11-18 23:48:01,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:48:01,911 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2018-11-18 23:48:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-11-18 23:48:01,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:48:01,913 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:48:01,913 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 29 states. [2018-11-18 23:48:01,913 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 29 states. [2018-11-18 23:48:01,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 23:48:01,918 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2018-11-18 23:48:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-11-18 23:48:01,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 23:48:01,919 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 23:48:01,919 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 23:48:01,919 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 23:48:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 23:48:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2018-11-18 23:48:01,924 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 18 [2018-11-18 23:48:01,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 23:48:01,925 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2018-11-18 23:48:01,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 23:48:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-11-18 23:48:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 23:48:01,926 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 23:48:01,926 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 23:48:01,927 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 23:48:01,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 23:48:01,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1712602589, now seen corresponding path program 1 times [2018-11-18 23:48:01,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 23:48:01,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 23:48:01,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:48:01,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 23:48:01,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 23:48:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 23:48:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 23:48:02,023 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 23:48:02,061 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2018-11-18 23:48:02,062 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 23:48:02,062 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2018-11-18 23:48:02,062 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2018-11-18 23:48:02,062 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 23:48:02,062 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 23:48:02,063 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2018-11-18 23:48:02,063 WARN L170 areAnnotationChecker]: L995-4 has no Hoare annotation [2018-11-18 23:48:02,063 WARN L170 areAnnotationChecker]: L995-4 has no Hoare annotation [2018-11-18 23:48:02,063 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 23:48:02,063 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 23:48:02,063 WARN L170 areAnnotationChecker]: L995-1 has no Hoare annotation [2018-11-18 23:48:02,063 WARN L170 areAnnotationChecker]: L995-5 has no Hoare annotation [2018-11-18 23:48:02,064 WARN L170 areAnnotationChecker]: L995-2 has no Hoare annotation [2018-11-18 23:48:02,064 WARN L170 areAnnotationChecker]: L995-2 has no Hoare annotation [2018-11-18 23:48:02,064 WARN L170 areAnnotationChecker]: L1005 has no Hoare annotation [2018-11-18 23:48:02,064 WARN L170 areAnnotationChecker]: L1005 has no Hoare annotation [2018-11-18 23:48:02,064 WARN L170 areAnnotationChecker]: L1005-2 has no Hoare annotation [2018-11-18 23:48:02,064 WARN L170 areAnnotationChecker]: L1015-4 has no Hoare annotation [2018-11-18 23:48:02,064 WARN L170 areAnnotationChecker]: L1015-4 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1032-4 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1032-4 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1015-1 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1015-5 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1032-1 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1032-5 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1015-2 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1015-2 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1032-2 has no Hoare annotation [2018-11-18 23:48:02,065 WARN L170 areAnnotationChecker]: L1032-2 has no Hoare annotation [2018-11-18 23:48:02,066 WARN L170 areAnnotationChecker]: L1039-3 has no Hoare annotation [2018-11-18 23:48:02,066 WARN L170 areAnnotationChecker]: L1039-3 has no Hoare annotation [2018-11-18 23:48:02,066 WARN L170 areAnnotationChecker]: L1017 has no Hoare annotation [2018-11-18 23:48:02,066 WARN L170 areAnnotationChecker]: L1017 has no Hoare annotation [2018-11-18 23:48:02,066 WARN L170 areAnnotationChecker]: L1039-1 has no Hoare annotation [2018-11-18 23:48:02,066 WARN L170 areAnnotationChecker]: L1039-1 has no Hoare annotation [2018-11-18 23:48:02,067 WARN L170 areAnnotationChecker]: L1039-4 has no Hoare annotation [2018-11-18 23:48:02,067 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2018-11-18 23:48:02,067 WARN L170 areAnnotationChecker]: L1041 has no Hoare annotation [2018-11-18 23:48:02,067 WARN L170 areAnnotationChecker]: L1048-3 has no Hoare annotation [2018-11-18 23:48:02,067 WARN L170 areAnnotationChecker]: L1048-3 has no Hoare annotation [2018-11-18 23:48:02,067 WARN L170 areAnnotationChecker]: L1042-6 has no Hoare annotation [2018-11-18 23:48:02,067 WARN L170 areAnnotationChecker]: L1042-6 has no Hoare annotation [2018-11-18 23:48:02,068 WARN L170 areAnnotationChecker]: L1041-1 has no Hoare annotation [2018-11-18 23:48:02,068 WARN L170 areAnnotationChecker]: L1048-1 has no Hoare annotation [2018-11-18 23:48:02,068 WARN L170 areAnnotationChecker]: L1048-1 has no Hoare annotation [2018-11-18 23:48:02,068 WARN L170 areAnnotationChecker]: L1048-4 has no Hoare annotation [2018-11-18 23:48:02,068 WARN L170 areAnnotationChecker]: L1042-1 has no Hoare annotation [2018-11-18 23:48:02,068 WARN L170 areAnnotationChecker]: L1042-1 has no Hoare annotation [2018-11-18 23:48:02,069 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 23:48:02,069 WARN L170 areAnnotationChecker]: L1042-2 has no Hoare annotation [2018-11-18 23:48:02,069 WARN L170 areAnnotationChecker]: L1042-2 has no Hoare annotation [2018-11-18 23:48:02,069 WARN L170 areAnnotationChecker]: L1042-4 has no Hoare annotation [2018-11-18 23:48:02,069 WARN L170 areAnnotationChecker]: L1042-4 has no Hoare annotation [2018-11-18 23:48:02,069 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 23:48:02,070 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. [2018-11-18 23:48:02,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:48:02 BoogieIcfgContainer [2018-11-18 23:48:02,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 23:48:02,074 INFO L168 Benchmark]: Toolchain (without parser) took 3985.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -665.5 MB). Peak memory consumption was 76.3 MB. Max. memory is 7.1 GB. [2018-11-18 23:48:02,076 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 23:48:02,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.4 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2018-11-18 23:48:02,078 INFO L168 Benchmark]: Boogie Preprocessor took 125.22 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2018-11-18 23:48:02,079 INFO L168 Benchmark]: RCFGBuilder took 1373.31 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: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. [2018-11-18 23:48:02,079 INFO L168 Benchmark]: TraceAbstraction took 1638.61 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 69.9 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. [2018-11-18 23:48:02,084 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 842.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.4 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.22 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: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1373.31 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: 53.1 MB). Peak memory consumption was 53.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1638.61 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 69.9 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1042]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L988] EXPR, FCALL malloc(sizeof(SLL)) [L988] SLL* head = malloc(sizeof(SLL)); [L989] FCALL head->next = ((void*)0) [L990] FCALL head->data = 0 [L992] SLL* x = head; VAL [head={11:0}, malloc(sizeof(SLL))={11:0}, x={11:0}] [L995] COND FALSE !(__VERIFIER_nondet_int()) [L1005] COND TRUE __VERIFIER_nondet_int() [L1006] EXPR, FCALL malloc(sizeof(SLL)) [L1006] x = malloc(sizeof(SLL)) [L1007] FCALL x->data = 1 [L1008] FCALL x->next = head [L1009] head = x VAL [head={10:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, x={10:0}] [L1029] x = head VAL [head={10:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, x={10:0}] [L1032] EXPR, FCALL x->data VAL [head={10:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, x={10:0}, x->data=1] [L1032] COND FALSE !(x->data != 1) [L1038] EXPR, FCALL x->next [L1038] x = x->next [L1039] COND TRUE \read(*x) [L1041] EXPR, FCALL x->data VAL [head={10:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, x={11:0}, x->data=0] [L1041] COND TRUE x->data != 1 [L1042] COND TRUE !(0) VAL [head={10:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, x={11:0}] [L1042] __VERIFIER_error() VAL [head={10:0}, malloc(sizeof(SLL))={11:0}, malloc(sizeof(SLL))={10:0}, x={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 1 error locations. UNSAFE Result, 1.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 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=38occurred 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, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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...