./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/stroeder1-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/stroeder1-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 2b0e0efff2abe6f8e9e2779973c44bf85d460f52 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 21:57:20,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 21:57:20,418 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 21:57:20,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 21:57:20,435 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 21:57:20,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 21:57:20,438 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 21:57:20,441 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 21:57:20,443 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 21:57:20,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 21:57:20,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 21:57:20,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 21:57:20,453 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 21:57:20,454 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 21:57:20,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 21:57:20,458 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 21:57:20,459 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 21:57:20,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 21:57:20,465 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 21:57:20,468 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 21:57:20,469 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 21:57:20,471 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 21:57:20,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 21:57:20,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 21:57:20,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 21:57:20,477 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 21:57:20,478 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 21:57:20,480 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 21:57:20,481 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 21:57:20,482 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 21:57:20,483 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 21:57:20,483 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 21:57:20,483 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 21:57:20,484 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 21:57:20,484 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 21:57:20,485 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 21:57:20,485 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 21:57:20,500 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 21:57:20,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 21:57:20,501 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 21:57:20,501 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 21:57:20,502 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 21:57:20,502 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 21:57:20,502 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 21:57:20,502 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 21:57:20,502 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 21:57:20,502 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 21:57:20,503 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 21:57:20,503 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 21:57:20,503 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 21:57:20,503 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 21:57:20,503 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 21:57:20,503 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 21:57:20,504 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 21:57:20,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 21:57:20,504 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 21:57:20,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 21:57:20,504 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 21:57:20,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 21:57:20,505 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 21:57:20,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 21:57:20,505 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 21:57:20,505 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 21:57:20,505 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 -> 2b0e0efff2abe6f8e9e2779973c44bf85d460f52 [2019-01-13 21:57:20,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 21:57:20,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 21:57:20,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 21:57:20,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 21:57:20,581 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 21:57:20,581 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i [2019-01-13 21:57:20,647 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9070a40/d5c9b94121774d379464a40ae8e21299/FLAGba1cc753d [2019-01-13 21:57:21,186 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 21:57:21,186 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i [2019-01-13 21:57:21,198 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9070a40/d5c9b94121774d379464a40ae8e21299/FLAGba1cc753d [2019-01-13 21:57:21,486 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a9070a40/d5c9b94121774d379464a40ae8e21299 [2019-01-13 21:57:21,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 21:57:21,490 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 21:57:21,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 21:57:21,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 21:57:21,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 21:57:21,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 09:57:21" (1/1) ... [2019-01-13 21:57:21,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348d6f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:21, skipping insertion in model container [2019-01-13 21:57:21,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 09:57:21" (1/1) ... [2019-01-13 21:57:21,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 21:57:21,557 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 21:57:21,952 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 21:57:21,969 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 21:57:22,103 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 21:57:22,155 INFO L195 MainTranslator]: Completed translation [2019-01-13 21:57:22,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22 WrapperNode [2019-01-13 21:57:22,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 21:57:22,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 21:57:22,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 21:57:22,157 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 21:57:22,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (1/1) ... [2019-01-13 21:57:22,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (1/1) ... [2019-01-13 21:57:22,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (1/1) ... [2019-01-13 21:57:22,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (1/1) ... [2019-01-13 21:57:22,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (1/1) ... [2019-01-13 21:57:22,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (1/1) ... [2019-01-13 21:57:22,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (1/1) ... [2019-01-13 21:57:22,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 21:57:22,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 21:57:22,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 21:57:22,212 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 21:57:22,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (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 [2019-01-13 21:57:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 21:57:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 21:57:22,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 21:57:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 21:57:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2019-01-13 21:57:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 21:57:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 21:57:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 21:57:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 21:57:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 21:57:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 21:57:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 21:57:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 21:57:22,280 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 21:57:22,281 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 21:57:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 21:57:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 21:57:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 21:57:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 21:57:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 21:57:22,282 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 21:57:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 21:57:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 21:57:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 21:57:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 21:57:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 21:57:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 21:57:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 21:57:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 21:57:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 21:57:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 21:57:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 21:57:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 21:57:22,285 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 21:57:22,286 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 21:57:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 21:57:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 21:57:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 21:57:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 21:57:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 21:57:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 21:57:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 21:57:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 21:57:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 21:57:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 21:57:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 21:57:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 21:57:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 21:57:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 21:57:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 21:57:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 21:57:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 21:57:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 21:57:22,290 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 21:57:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 21:57:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 21:57:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 21:57:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 21:57:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 21:57:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 21:57:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 21:57:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 21:57:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 21:57:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 21:57:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 21:57:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 21:57:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 21:57:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 21:57:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 21:57:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 21:57:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 21:57:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 21:57:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 21:57:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 21:57:22,293 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 21:57:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 21:57:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 21:57:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 21:57:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 21:57:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 21:57:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 21:57:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 21:57:22,294 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 21:57:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 21:57:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 21:57:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 21:57:22,295 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 21:57:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 21:57:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 21:57:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 21:57:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 21:57:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 21:57:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 21:57:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 21:57:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 21:57:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 21:57:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 21:57:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 21:57:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 21:57:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 21:57:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 21:57:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 21:57:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 21:57:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 21:57:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 21:57:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 21:57:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 21:57:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 21:57:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 21:57:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2019-01-13 21:57:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 21:57:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 21:57:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 21:57:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 21:57:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 21:57:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 21:57:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 21:57:22,962 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 21:57:22,963 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 21:57:22,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:57:22 BoogieIcfgContainer [2019-01-13 21:57:22,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 21:57:22,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 21:57:22,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 21:57:22,968 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 21:57:22,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 09:57:21" (1/3) ... [2019-01-13 21:57:22,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33419e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 09:57:22, skipping insertion in model container [2019-01-13 21:57:22,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:22" (2/3) ... [2019-01-13 21:57:22,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33419e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 09:57:22, skipping insertion in model container [2019-01-13 21:57:22,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:57:22" (3/3) ... [2019-01-13 21:57:22,971 INFO L112 eAbstractionObserver]: Analyzing ICFG stroeder1-alloca_true-valid-memsafety_true-termination.i [2019-01-13 21:57:22,981 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 21:57:22,990 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-13 21:57:23,007 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-13 21:57:23,033 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 21:57:23,033 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 21:57:23,034 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 21:57:23,034 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 21:57:23,034 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 21:57:23,034 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 21:57:23,034 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 21:57:23,035 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 21:57:23,035 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 21:57:23,053 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-01-13 21:57:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-13 21:57:23,062 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:23,062 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:23,064 INFO L423 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:23,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:23,069 INFO L82 PathProgramCache]: Analyzing trace with hash -560972827, now seen corresponding path program 1 times [2019-01-13 21:57:23,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:23,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:23,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:23,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:23,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:23,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:23,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 21:57:23,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 21:57:23,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 21:57:23,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 21:57:23,369 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 6 states. [2019-01-13 21:57:23,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:23,649 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2019-01-13 21:57:23,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 21:57:23,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-01-13 21:57:23,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:23,661 INFO L225 Difference]: With dead ends: 28 [2019-01-13 21:57:23,661 INFO L226 Difference]: Without dead ends: 25 [2019-01-13 21:57:23,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-13 21:57:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-01-13 21:57:23,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2019-01-13 21:57:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-01-13 21:57:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-01-13 21:57:23,702 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2019-01-13 21:57:23,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:23,702 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-01-13 21:57:23,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 21:57:23,703 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-01-13 21:57:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-13 21:57:23,703 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:23,704 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:23,704 INFO L423 AbstractCegarLoop]: === Iteration 2 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:23,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:23,704 INFO L82 PathProgramCache]: Analyzing trace with hash -560972826, now seen corresponding path program 1 times [2019-01-13 21:57:23,704 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:23,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:23,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:23,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:23,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:23,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:23,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 21:57:23,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 21:57:23,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 21:57:23,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 21:57:23,963 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2019-01-13 21:57:24,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:24,323 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2019-01-13 21:57:24,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 21:57:24,324 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-01-13 21:57:24,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:24,325 INFO L225 Difference]: With dead ends: 32 [2019-01-13 21:57:24,325 INFO L226 Difference]: Without dead ends: 32 [2019-01-13 21:57:24,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-01-13 21:57:24,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-13 21:57:24,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2019-01-13 21:57:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-13 21:57:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2019-01-13 21:57:24,333 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 12 [2019-01-13 21:57:24,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:24,333 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2019-01-13 21:57:24,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 21:57:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2019-01-13 21:57:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 21:57:24,334 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:24,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:24,335 INFO L423 AbstractCegarLoop]: === Iteration 3 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:24,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:24,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1605194872, now seen corresponding path program 1 times [2019-01-13 21:57:24,335 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:24,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:24,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:24,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:24,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:24,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:24,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 21:57:24,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 21:57:24,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 21:57:24,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 21:57:24,455 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 5 states. [2019-01-13 21:57:24,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:24,518 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-01-13 21:57:24,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 21:57:24,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-01-13 21:57:24,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:24,520 INFO L225 Difference]: With dead ends: 28 [2019-01-13 21:57:24,520 INFO L226 Difference]: Without dead ends: 25 [2019-01-13 21:57:24,521 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 [2019-01-13 21:57:24,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-01-13 21:57:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2019-01-13 21:57:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-01-13 21:57:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-01-13 21:57:24,525 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 16 [2019-01-13 21:57:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:24,526 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-01-13 21:57:24,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 21:57:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-01-13 21:57:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 21:57:24,527 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:24,527 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:24,527 INFO L423 AbstractCegarLoop]: === Iteration 4 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:24,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:24,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1653921769, now seen corresponding path program 1 times [2019-01-13 21:57:24,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:24,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:24,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:24,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:24,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:24,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:24,879 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 [2019-01-13 21:57:24,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:24,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:25,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:25,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-13 21:57:25,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2019-01-13 21:57:25,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 21:57:25,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 21:57:25,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-01-13 21:57:25,206 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 12 states. [2019-01-13 21:57:25,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:25,500 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2019-01-13 21:57:25,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 21:57:25,502 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2019-01-13 21:57:25,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:25,503 INFO L225 Difference]: With dead ends: 37 [2019-01-13 21:57:25,503 INFO L226 Difference]: Without dead ends: 37 [2019-01-13 21:57:25,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2019-01-13 21:57:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-01-13 21:57:25,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2019-01-13 21:57:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-13 21:57:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2019-01-13 21:57:25,509 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 16 [2019-01-13 21:57:25,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:25,509 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2019-01-13 21:57:25,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 21:57:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2019-01-13 21:57:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-13 21:57:25,511 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:25,511 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:25,511 INFO L423 AbstractCegarLoop]: === Iteration 5 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:25,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:25,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1260894759, now seen corresponding path program 1 times [2019-01-13 21:57:25,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:25,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:25,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:25,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:25,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:25,748 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:25,748 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 [2019-01-13 21:57:25,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:25,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:25,808 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 [2019-01-13 21:57:25,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 21:57:25,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 21:57:25,827 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-01-13 21:57:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:26,169 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 21:57:26,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2019-01-13 21:57:26,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 21:57:26,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 21:57:26,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2019-01-13 21:57:26,170 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 13 states. [2019-01-13 21:57:26,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:26,548 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2019-01-13 21:57:26,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 21:57:26,549 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 16 [2019-01-13 21:57:26,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:26,551 INFO L225 Difference]: With dead ends: 39 [2019-01-13 21:57:26,551 INFO L226 Difference]: Without dead ends: 39 [2019-01-13 21:57:26,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2019-01-13 21:57:26,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-01-13 21:57:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2019-01-13 21:57:26,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-01-13 21:57:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-01-13 21:57:26,560 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 16 [2019-01-13 21:57:26,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:26,561 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-01-13 21:57:26,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 21:57:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-01-13 21:57:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 21:57:26,563 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:26,563 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] [2019-01-13 21:57:26,563 INFO L423 AbstractCegarLoop]: === Iteration 6 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:26,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:26,564 INFO L82 PathProgramCache]: Analyzing trace with hash -668059909, now seen corresponding path program 1 times [2019-01-13 21:57:26,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:26,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:26,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:26,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:26,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-13 21:57:26,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:26,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 21:57:26,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 21:57:26,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 21:57:26,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 21:57:26,791 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 4 states. [2019-01-13 21:57:26,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:26,905 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2019-01-13 21:57:26,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 21:57:26,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 21:57:26,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:26,907 INFO L225 Difference]: With dead ends: 31 [2019-01-13 21:57:26,907 INFO L226 Difference]: Without dead ends: 0 [2019-01-13 21:57:26,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 21:57:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-13 21:57:26,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-13 21:57:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-13 21:57:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-13 21:57:26,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-01-13 21:57:26,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:26,909 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-13 21:57:26,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 21:57:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-13 21:57:26,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-13 21:57:26,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 09:57:26 BoogieIcfgContainer [2019-01-13 21:57:26,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 21:57:26,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 21:57:26,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 21:57:26,915 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 21:57:26,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:57:22" (3/4) ... [2019-01-13 21:57:26,921 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-13 21:57:26,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-13 21:57:26,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sumOfThirdBytes [2019-01-13 21:57:26,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-01-13 21:57:26,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-01-13 21:57:26,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-13 21:57:26,931 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-01-13 21:57:26,931 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-13 21:57:26,932 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-13 21:57:26,979 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 21:57:26,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 21:57:26,980 INFO L168 Benchmark]: Toolchain (without parser) took 5490.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 952.7 MB in the beginning and 836.0 MB in the end (delta: 116.7 MB). Peak memory consumption was 209.5 MB. Max. memory is 11.5 GB. [2019-01-13 21:57:26,982 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:57:26,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2019-01-13 21:57:26,983 INFO L168 Benchmark]: Boogie Preprocessor took 54.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:57:26,984 INFO L168 Benchmark]: RCFGBuilder took 752.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2019-01-13 21:57:26,985 INFO L168 Benchmark]: TraceAbstraction took 3949.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 836.0 MB in the end (delta: 196.9 MB). Peak memory consumption was 196.9 MB. Max. memory is 11.5 GB. [2019-01-13 21:57:26,986 INFO L168 Benchmark]: Witness Printer took 63.85 ms. Allocated memory is still 1.1 GB. Free memory is still 836.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:57:26,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 665.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 752.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3949.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 836.0 MB in the end (delta: 196.9 MB). Peak memory consumption was 196.9 MB. Max. memory is 11.5 GB. * Witness Printer took 63.85 ms. Allocated memory is still 1.1 GB. Free memory is still 836.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: 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 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 3 error locations. SAFE Result, 3.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 108 SDtfs, 162 SDslu, 319 SDs, 0 SdLazy, 225 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 116 ConstructedInterpolants, 7 QuantifiedInterpolants, 8344 SizeOfPredicates, 12 NumberOfNonLiveVariables, 165 ConjunctsInSsa, 31 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...