./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9a031a295ba45c7116aee95a6abc238e63986cbf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 18:07:25,124 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 18:07:25,126 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 18:07:25,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 18:07:25,140 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 18:07:25,141 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 18:07:25,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 18:07:25,145 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 18:07:25,147 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 18:07:25,148 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 18:07:25,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 18:07:25,149 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 18:07:25,151 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 18:07:25,152 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 18:07:25,153 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 18:07:25,154 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 18:07:25,155 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 18:07:25,157 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 18:07:25,160 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 18:07:25,161 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 18:07:25,163 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 18:07:25,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 18:07:25,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 18:07:25,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 18:07:25,168 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 18:07:25,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 18:07:25,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 18:07:25,172 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 18:07:25,172 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 18:07:25,174 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 18:07:25,174 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 18:07:25,175 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 18:07:25,175 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 18:07:25,175 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 18:07:25,176 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 18:07:25,178 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 18:07:25,178 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 18:07:25,193 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 18:07:25,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 18:07:25,195 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 18:07:25,196 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 18:07:25,196 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 18:07:25,196 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 18:07:25,196 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 18:07:25,196 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 18:07:25,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 18:07:25,197 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 18:07:25,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 18:07:25,197 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 18:07:25,197 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 18:07:25,198 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 18:07:25,199 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 18:07:25,199 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 18:07:25,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 18:07:25,200 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 18:07:25,200 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 18:07:25,200 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 18:07:25,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 18:07:25,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 18:07:25,202 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 18:07:25,202 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 18:07:25,202 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 18:07:25,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a031a295ba45c7116aee95a6abc238e63986cbf [2019-01-14 18:07:25,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 18:07:25,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 18:07:25,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 18:07:25,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 18:07:25,255 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 18:07:25,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2019-01-14 18:07:25,312 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d6bca7c/b34c4bfe1b4b46d3993212480a78acc0/FLAGeaf802d15 [2019-01-14 18:07:25,797 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 18:07:25,797 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2019-01-14 18:07:25,810 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d6bca7c/b34c4bfe1b4b46d3993212480a78acc0/FLAGeaf802d15 [2019-01-14 18:07:26,151 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d6bca7c/b34c4bfe1b4b46d3993212480a78acc0 [2019-01-14 18:07:26,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 18:07:26,157 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 18:07:26,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 18:07:26,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 18:07:26,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 18:07:26,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4b7e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26, skipping insertion in model container [2019-01-14 18:07:26,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 18:07:26,239 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 18:07:26,611 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 18:07:26,625 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 18:07:26,678 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 18:07:26,741 INFO L195 MainTranslator]: Completed translation [2019-01-14 18:07:26,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26 WrapperNode [2019-01-14 18:07:26,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 18:07:26,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 18:07:26,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 18:07:26,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 18:07:26,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (1/1) ... [2019-01-14 18:07:26,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 18:07:26,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 18:07:26,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 18:07:26,882 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 18:07:26,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (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 [2019-01-14 18:07:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 18:07:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 18:07:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 18:07:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 18:07:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test_fun [2019-01-14 18:07:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 18:07:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 18:07:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 18:07:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 18:07:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 18:07:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 18:07:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 18:07:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 18:07:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 18:07:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 18:07:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 18:07:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 18:07:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 18:07:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 18:07:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 18:07:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 18:07:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 18:07:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 18:07:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 18:07:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 18:07:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 18:07:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 18:07:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 18:07:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 18:07:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 18:07:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 18:07:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 18:07:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 18:07:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 18:07:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 18:07:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 18:07:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 18:07:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 18:07:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 18:07:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 18:07:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 18:07:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 18:07:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 18:07:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 18:07:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 18:07:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 18:07:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 18:07:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 18:07:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 18:07:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 18:07:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 18:07:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 18:07:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 18:07:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 18:07:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 18:07:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 18:07:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 18:07:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 18:07:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 18:07:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 18:07:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 18:07:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 18:07:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 18:07:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 18:07:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 18:07:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 18:07:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 18:07:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 18:07:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 18:07:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 18:07:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 18:07:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 18:07:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 18:07:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 18:07:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 18:07:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 18:07:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 18:07:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 18:07:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 18:07:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 18:07:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 18:07:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 18:07:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 18:07:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 18:07:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 18:07:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 18:07:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 18:07:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 18:07:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 18:07:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 18:07:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 18:07:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 18:07:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 18:07:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 18:07:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 18:07:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 18:07:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 18:07:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 18:07:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 18:07:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 18:07:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 18:07:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 18:07:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 18:07:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 18:07:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 18:07:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 18:07:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 18:07:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 18:07:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 18:07:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure test_fun [2019-01-14 18:07:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 18:07:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 18:07:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 18:07:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 18:07:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 18:07:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 18:07:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 18:07:27,577 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 18:07:27,578 INFO L286 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-14 18:07:27,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:07:27 BoogieIcfgContainer [2019-01-14 18:07:27,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 18:07:27,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 18:07:27,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 18:07:27,585 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 18:07:27,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 06:07:26" (1/3) ... [2019-01-14 18:07:27,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d95b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 06:07:27, skipping insertion in model container [2019-01-14 18:07:27,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 06:07:26" (2/3) ... [2019-01-14 18:07:27,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d95b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 06:07:27, skipping insertion in model container [2019-01-14 18:07:27,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:07:27" (3/3) ... [2019-01-14 18:07:27,590 INFO L112 eAbstractionObserver]: Analyzing ICFG array01-alloca_true-valid-memsafety_true-termination.i [2019-01-14 18:07:27,600 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 18:07:27,609 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-01-14 18:07:27,627 INFO L257 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-01-14 18:07:27,654 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 18:07:27,655 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 18:07:27,655 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 18:07:27,655 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 18:07:27,656 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 18:07:27,656 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 18:07:27,656 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 18:07:27,656 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 18:07:27,656 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 18:07:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-01-14 18:07:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-14 18:07:27,682 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:07:27,683 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:07:27,686 INFO L423 AbstractCegarLoop]: === Iteration 1 === [test_funErr4REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-14 18:07:27,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:07:27,692 INFO L82 PathProgramCache]: Analyzing trace with hash 599460039, now seen corresponding path program 1 times [2019-01-14 18:07:27,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:07:27,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:07:27,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:27,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:07:27,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:07:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:07:27,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:07:27,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 18:07:27,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 18:07:27,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 18:07:27,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 18:07:27,963 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2019-01-14 18:07:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:07:28,185 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-01-14 18:07:28,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 18:07:28,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-01-14 18:07:28,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:07:28,197 INFO L225 Difference]: With dead ends: 30 [2019-01-14 18:07:28,198 INFO L226 Difference]: Without dead ends: 27 [2019-01-14 18:07:28,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-14 18:07:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-01-14 18:07:28,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-01-14 18:07:28,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-01-14 18:07:28,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2019-01-14 18:07:28,238 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 12 [2019-01-14 18:07:28,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:07:28,239 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2019-01-14 18:07:28,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 18:07:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-01-14 18:07:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-14 18:07:28,240 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:07:28,240 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:07:28,240 INFO L423 AbstractCegarLoop]: === Iteration 2 === [test_funErr4REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-14 18:07:28,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:07:28,241 INFO L82 PathProgramCache]: Analyzing trace with hash 599460040, now seen corresponding path program 1 times [2019-01-14 18:07:28,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:07:28,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:07:28,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:28,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:07:28,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:07:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:07:28,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:07:28,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 18:07:28,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 18:07:28,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 18:07:28,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-14 18:07:28,473 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 6 states. [2019-01-14 18:07:28,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:07:28,605 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2019-01-14 18:07:28,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 18:07:28,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-01-14 18:07:28,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:07:28,610 INFO L225 Difference]: With dead ends: 38 [2019-01-14 18:07:28,610 INFO L226 Difference]: Without dead ends: 38 [2019-01-14 18:07:28,611 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-01-14 18:07:28,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-01-14 18:07:28,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2019-01-14 18:07:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-14 18:07:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2019-01-14 18:07:28,618 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 12 [2019-01-14 18:07:28,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:07:28,619 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2019-01-14 18:07:28,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 18:07:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2019-01-14 18:07:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 18:07:28,620 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:07:28,620 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:07:28,620 INFO L423 AbstractCegarLoop]: === Iteration 3 === [test_funErr4REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-14 18:07:28,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:07:28,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1204913254, now seen corresponding path program 1 times [2019-01-14 18:07:28,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:07:28,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:07:28,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:28,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:07:28,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:07:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:07:28,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:07:28,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 18:07:28,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 18:07:28,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 18:07:28,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 18:07:28,714 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 5 states. [2019-01-14 18:07:29,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:07:29,100 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2019-01-14 18:07:29,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 18:07:29,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-14 18:07:29,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:07:29,102 INFO L225 Difference]: With dead ends: 38 [2019-01-14 18:07:29,102 INFO L226 Difference]: Without dead ends: 35 [2019-01-14 18:07:29,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-14 18:07:29,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-14 18:07:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2019-01-14 18:07:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-14 18:07:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2019-01-14 18:07:29,109 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 16 [2019-01-14 18:07:29,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:07:29,110 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2019-01-14 18:07:29,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 18:07:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2019-01-14 18:07:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 18:07:29,111 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:07:29,111 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:07:29,111 INFO L423 AbstractCegarLoop]: === Iteration 4 === [test_funErr4REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-14 18:07:29,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:07:29,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1240355355, now seen corresponding path program 1 times [2019-01-14 18:07:29,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:07:29,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:07:29,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:29,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:07:29,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:07:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:07:29,313 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 18:07:29,313 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 18:07:29,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:07:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:07:29,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 18:07:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:07:29,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-14 18:07:29,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2019-01-14 18:07:29,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-14 18:07:29,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-14 18:07:29,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-14 18:07:29,505 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 11 states. [2019-01-14 18:07:29,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:07:29,811 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2019-01-14 18:07:29,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-14 18:07:29,812 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 16 [2019-01-14 18:07:29,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:07:29,813 INFO L225 Difference]: With dead ends: 52 [2019-01-14 18:07:29,814 INFO L226 Difference]: Without dead ends: 52 [2019-01-14 18:07:29,815 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2019-01-14 18:07:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-14 18:07:29,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2019-01-14 18:07:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-14 18:07:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2019-01-14 18:07:29,822 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 16 [2019-01-14 18:07:29,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:07:29,822 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2019-01-14 18:07:29,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-14 18:07:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2019-01-14 18:07:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-14 18:07:29,823 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:07:29,823 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:07:29,824 INFO L423 AbstractCegarLoop]: === Iteration 5 === [test_funErr4REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-14 18:07:29,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:07:29,824 INFO L82 PathProgramCache]: Analyzing trace with hash 847328345, now seen corresponding path program 1 times [2019-01-14 18:07:29,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:07:29,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:07:29,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:29,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:07:29,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:07:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:07:30,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 18:07:30,028 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 18:07:30,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:07:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:07:30,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 18:07:30,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-01-14 18:07:30,101 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 18:07:30,111 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 18:07:30,112 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-01-14 18:07:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 18:07:31,039 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 18:07:31,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2019-01-14 18:07:31,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-14 18:07:31,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-14 18:07:31,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=97, Unknown=3, NotChecked=0, Total=132 [2019-01-14 18:07:31,040 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 12 states. [2019-01-14 18:07:31,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:07:31,368 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2019-01-14 18:07:31,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-14 18:07:31,369 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2019-01-14 18:07:31,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:07:31,370 INFO L225 Difference]: With dead ends: 47 [2019-01-14 18:07:31,371 INFO L226 Difference]: Without dead ends: 47 [2019-01-14 18:07:31,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=145, Unknown=3, NotChecked=0, Total=210 [2019-01-14 18:07:31,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-01-14 18:07:31,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 40. [2019-01-14 18:07:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-14 18:07:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-01-14 18:07:31,379 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 16 [2019-01-14 18:07:31,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:07:31,379 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-01-14 18:07:31,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-14 18:07:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-01-14 18:07:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-14 18:07:31,381 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 18:07:31,381 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 18:07:31,381 INFO L423 AbstractCegarLoop]: === Iteration 6 === [test_funErr4REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-14 18:07:31,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 18:07:31,382 INFO L82 PathProgramCache]: Analyzing trace with hash 633990201, now seen corresponding path program 1 times [2019-01-14 18:07:31,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 18:07:31,382 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 18:07:31,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:31,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 18:07:31,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 18:07:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 18:07:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 18:07:31,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 18:07:31,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 18:07:31,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 18:07:31,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 18:07:31,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 18:07:31,454 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 4 states. [2019-01-14 18:07:31,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 18:07:31,558 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2019-01-14 18:07:31,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 18:07:31,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-14 18:07:31,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 18:07:31,559 INFO L225 Difference]: With dead ends: 39 [2019-01-14 18:07:31,560 INFO L226 Difference]: Without dead ends: 0 [2019-01-14 18:07:31,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 18:07:31,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-14 18:07:31,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-14 18:07:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-14 18:07:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 18:07:31,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-01-14 18:07:31,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 18:07:31,561 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 18:07:31,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 18:07:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-14 18:07:31,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 18:07:31,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 06:07:31 BoogieIcfgContainer [2019-01-14 18:07:31,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 18:07:31,568 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 18:07:31,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 18:07:31,568 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 18:07:31,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 06:07:27" (3/4) ... [2019-01-14 18:07:31,573 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 18:07:31,580 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-14 18:07:31,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-01-14 18:07:31,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_fun [2019-01-14 18:07:31,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-01-14 18:07:31,581 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-14 18:07:31,586 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-01-14 18:07:31,586 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-14 18:07:31,586 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 18:07:31,638 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 18:07:31,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 18:07:31,640 INFO L168 Benchmark]: Toolchain (without parser) took 5483.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 943.3 MB in the beginning and 924.8 MB in the end (delta: 18.5 MB). Peak memory consumption was 162.6 MB. Max. memory is 11.5 GB. [2019-01-14 18:07:31,645 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 18:07:31,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.71 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 920.5 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-01-14 18:07:31,650 INFO L168 Benchmark]: Boogie Preprocessor took 139.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -212.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-01-14 18:07:31,651 INFO L168 Benchmark]: RCFGBuilder took 697.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-01-14 18:07:31,652 INFO L168 Benchmark]: TraceAbstraction took 3986.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.8 MB in the end (delta: 170.2 MB). Peak memory consumption was 170.2 MB. Max. memory is 11.5 GB. [2019-01-14 18:07:31,652 INFO L168 Benchmark]: Witness Printer took 70.61 ms. Allocated memory is still 1.2 GB. Free memory is still 924.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 18:07:31,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 583.71 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 920.5 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 139.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -212.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 697.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3986.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.8 MB in the end (delta: 170.2 MB). Peak memory consumption was 170.2 MB. Max. memory is 11.5 GB. * Witness Printer took 70.61 ms. Allocated memory is still 1.2 GB. Free memory is still 924.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 39 locations, 7 error locations. SAFE Result, 3.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 123 SDtfs, 229 SDslu, 315 SDs, 0 SdLazy, 265 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=4, 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, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 116 ConstructedInterpolants, 7 QuantifiedInterpolants, 8156 SizeOfPredicates, 9 NumberOfNonLiveVariables, 151 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 6/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...