./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer --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 0.1.23-0cd3be1 [2018-11-28 12:43:34,371 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:43:34,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:43:34,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:43:34,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:43:34,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:43:34,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:43:34,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:43:34,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:43:34,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:43:34,386 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:43:34,386 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:43:34,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:43:34,387 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:43:34,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:43:34,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:43:34,388 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:43:34,390 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:43:34,391 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:43:34,392 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:43:34,392 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:43:34,393 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:43:34,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:43:34,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:43:34,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:43:34,396 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:43:34,396 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:43:34,397 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:43:34,397 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:43:34,397 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:43:34,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:43:34,398 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:43:34,398 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:43:34,398 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:43:34,399 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:43:34,399 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:43:34,399 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 12:43:34,406 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:43:34,406 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:43:34,407 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:43:34,407 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:43:34,407 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:43:34,407 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:43:34,407 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:43:34,408 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:43:34,408 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:43:34,408 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:43:34,408 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:43:34,408 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:43:34,408 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:43:34,409 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 12:43:34,409 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 12:43:34,409 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 12:43:34,409 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:43:34,409 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:43:34,409 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:43:34,410 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:43:34,410 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:43:34,410 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:43:34,410 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:43:34,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:43:34,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:43:34,411 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:43:34,411 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:43:34,411 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:43:34,411 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer 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 [2018-11-28 12:43:34,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:43:34,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:43:34,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:43:34,449 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:43:34,449 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:43:34,450 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:43:34,495 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/data/05d159c03/ac609a921cd848a8b7bb6206b360e220/FLAGcc1d8e40f [2018-11-28 12:43:34,917 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:43:34,918 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/sv-benchmarks/c/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:43:34,924 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/data/05d159c03/ac609a921cd848a8b7bb6206b360e220/FLAGcc1d8e40f [2018-11-28 12:43:34,936 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/data/05d159c03/ac609a921cd848a8b7bb6206b360e220 [2018-11-28 12:43:34,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:43:34,940 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 12:43:34,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:43:34,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:43:34,944 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:43:34,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:43:34" (1/1) ... [2018-11-28 12:43:34,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37cb323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:34, skipping insertion in model container [2018-11-28 12:43:34,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:43:34" (1/1) ... [2018-11-28 12:43:34,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:43:34,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:43:35,177 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:43:35,186 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:43:35,251 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:43:35,284 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:43:35,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35 WrapperNode [2018-11-28 12:43:35,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:43:35,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:43:35,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:43:35,285 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:43:35,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (1/1) ... [2018-11-28 12:43:35,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (1/1) ... [2018-11-28 12:43:35,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (1/1) ... [2018-11-28 12:43:35,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (1/1) ... [2018-11-28 12:43:35,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (1/1) ... [2018-11-28 12:43:35,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (1/1) ... [2018-11-28 12:43:35,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (1/1) ... [2018-11-28 12:43:35,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:43:35,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:43:35,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:43:35,327 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:43:35,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:43:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:43:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:43:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 12:43:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 12:43:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2018-11-28 12:43:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:43:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 12:43:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 12:43:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 12:43:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 12:43:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 12:43:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 12:43:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 12:43:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 12:43:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 12:43:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 12:43:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 12:43:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 12:43:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 12:43:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 12:43:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 12:43:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 12:43:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 12:43:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 12:43:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 12:43:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 12:43:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 12:43:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 12:43:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 12:43:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 12:43:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 12:43:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 12:43:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 12:43:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 12:43:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 12:43:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 12:43:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 12:43:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 12:43:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 12:43:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 12:43:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 12:43:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 12:43:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 12:43:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 12:43:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 12:43:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 12:43:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 12:43:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 12:43:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 12:43:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 12:43:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 12:43:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 12:43:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 12:43:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 12:43:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 12:43:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 12:43:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 12:43:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 12:43:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 12:43:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 12:43:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 12:43:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 12:43:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 12:43:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 12:43:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 12:43:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 12:43:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 12:43:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 12:43:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 12:43:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 12:43:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 12:43:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 12:43:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 12:43:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 12:43:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 12:43:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 12:43:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2018-11-28 12:43:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:43:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:43:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:43:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:43:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:43:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:43:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:43:35,635 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:43:35,636 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:43:35,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:43:35 BoogieIcfgContainer [2018-11-28 12:43:35,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:43:35,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:43:35,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:43:35,639 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:43:35,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:43:34" (1/3) ... [2018-11-28 12:43:35,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9cead6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:43:35, skipping insertion in model container [2018-11-28 12:43:35,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:43:35" (2/3) ... [2018-11-28 12:43:35,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9cead6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:43:35, skipping insertion in model container [2018-11-28 12:43:35,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:43:35" (3/3) ... [2018-11-28 12:43:35,641 INFO L112 eAbstractionObserver]: Analyzing ICFG stroeder1-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:43:35,647 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:43:35,653 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 12:43:35,662 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 12:43:35,678 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:43:35,678 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:43:35,678 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 12:43:35,679 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:43:35,679 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:43:35,679 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:43:35,679 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:43:35,679 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:43:35,679 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:43:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-28 12:43:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 12:43:35,695 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:43:35,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:35,697 INFO L423 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:43:35,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:35,701 INFO L82 PathProgramCache]: Analyzing trace with hash -560972827, now seen corresponding path program 1 times [2018-11-28 12:43:35,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:35,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:35,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:35,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:35,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:35,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:43:35,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:43:35,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:43:35,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:43:35,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:43:35,847 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 6 states. [2018-11-28 12:43:35,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:43:35,926 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2018-11-28 12:43:35,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:43:35,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-28 12:43:35,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:43:35,934 INFO L225 Difference]: With dead ends: 28 [2018-11-28 12:43:35,934 INFO L226 Difference]: Without dead ends: 25 [2018-11-28 12:43:35,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:43:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-28 12:43:35,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2018-11-28 12:43:35,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-28 12:43:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-11-28 12:43:35,957 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2018-11-28 12:43:35,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:43:35,958 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-11-28 12:43:35,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:43:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-28 12:43:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 12:43:35,958 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:43:35,958 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:35,958 INFO L423 AbstractCegarLoop]: === Iteration 2 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:43:35,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:35,958 INFO L82 PathProgramCache]: Analyzing trace with hash -560972826, now seen corresponding path program 1 times [2018-11-28 12:43:35,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:35,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:35,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:35,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:35,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:36,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:43:36,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:43:36,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:43:36,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:43:36,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:43:36,078 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 6 states. [2018-11-28 12:43:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:43:36,154 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2018-11-28 12:43:36,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:43:36,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-28 12:43:36,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:43:36,155 INFO L225 Difference]: With dead ends: 32 [2018-11-28 12:43:36,155 INFO L226 Difference]: Without dead ends: 32 [2018-11-28 12:43:36,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:43:36,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-28 12:43:36,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2018-11-28 12:43:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 12:43:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2018-11-28 12:43:36,159 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 12 [2018-11-28 12:43:36,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:43:36,159 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2018-11-28 12:43:36,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:43:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2018-11-28 12:43:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 12:43:36,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:43:36,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:36,160 INFO L423 AbstractCegarLoop]: === Iteration 3 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:43:36,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:36,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1605194872, now seen corresponding path program 1 times [2018-11-28 12:43:36,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:36,160 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:36,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:36,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:36,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:36,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:36,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:43:36,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:43:36,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:43:36,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:43:36,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:43:36,193 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 5 states. [2018-11-28 12:43:36,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:43:36,213 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-11-28 12:43:36,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:43:36,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-28 12:43:36,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:43:36,214 INFO L225 Difference]: With dead ends: 28 [2018-11-28 12:43:36,214 INFO L226 Difference]: Without dead ends: 25 [2018-11-28 12:43:36,215 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 [2018-11-28 12:43:36,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-28 12:43:36,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2018-11-28 12:43:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 12:43:36,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-11-28 12:43:36,217 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 16 [2018-11-28 12:43:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:43:36,218 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-11-28 12:43:36,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:43:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-11-28 12:43:36,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 12:43:36,218 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:43:36,218 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:36,218 INFO L423 AbstractCegarLoop]: === Iteration 4 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:43:36,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:36,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1653921769, now seen corresponding path program 1 times [2018-11-28 12:43:36,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:36,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:36,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:36,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:36,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:36,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:43:36,303 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/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 [2018-11-28 12:43:36,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:36,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:43:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:36,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:43:36,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2018-11-28 12:43:36,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:43:36,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:43:36,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:43:36,429 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 12 states. [2018-11-28 12:43:36,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:43:36,520 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-11-28 12:43:36,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:43:36,525 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 16 [2018-11-28 12:43:36,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:43:36,526 INFO L225 Difference]: With dead ends: 37 [2018-11-28 12:43:36,526 INFO L226 Difference]: Without dead ends: 37 [2018-11-28 12:43:36,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2018-11-28 12:43:36,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-28 12:43:36,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2018-11-28 12:43:36,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-28 12:43:36,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-11-28 12:43:36,529 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 16 [2018-11-28 12:43:36,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:43:36,529 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-11-28 12:43:36,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:43:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-11-28 12:43:36,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 12:43:36,529 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:43:36,530 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:43:36,530 INFO L423 AbstractCegarLoop]: === Iteration 5 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:43:36,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:36,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1260894759, now seen corresponding path program 1 times [2018-11-28 12:43:36,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:36,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:36,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:36,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:36,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:36,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:43:36,632 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/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 [2018-11-28 12:43:36,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:36,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:43:36,674 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 [2018-11-28 12:43:36,675 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:43:36,682 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:43:36,682 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-11-28 12:43:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:43:36,795 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:43:36,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2018-11-28 12:43:36,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:43:36,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:43:36,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:43:36,796 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 13 states. [2018-11-28 12:43:37,046 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-11-28 12:43:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:43:37,066 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-11-28 12:43:37,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:43:37,067 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 16 [2018-11-28 12:43:37,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:43:37,067 INFO L225 Difference]: With dead ends: 39 [2018-11-28 12:43:37,068 INFO L226 Difference]: Without dead ends: 39 [2018-11-28 12:43:37,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:43:37,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-28 12:43:37,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2018-11-28 12:43:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-28 12:43:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-11-28 12:43:37,071 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 16 [2018-11-28 12:43:37,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:43:37,072 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-11-28 12:43:37,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:43:37,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-11-28 12:43:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 12:43:37,073 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:43:37,073 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] [2018-11-28 12:43:37,073 INFO L423 AbstractCegarLoop]: === Iteration 6 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:43:37,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:43:37,074 INFO L82 PathProgramCache]: Analyzing trace with hash -668059909, now seen corresponding path program 1 times [2018-11-28 12:43:37,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:43:37,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:43:37,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:37,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:43:37,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:43:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:43:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:43:37,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:43:37,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:43:37,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:43:37,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:43:37,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:43:37,117 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 4 states. [2018-11-28 12:43:37,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:43:37,139 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-11-28 12:43:37,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:43:37,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-28 12:43:37,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:43:37,140 INFO L225 Difference]: With dead ends: 31 [2018-11-28 12:43:37,140 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:43:37,140 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 [2018-11-28 12:43:37,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:43:37,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:43:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:43:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:43:37,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-11-28 12:43:37,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:43:37,141 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:43:37,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:43:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:43:37,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:43:37,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:43:37 BoogieIcfgContainer [2018-11-28 12:43:37,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:43:37,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:43:37,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:43:37,146 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:43:37,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:43:35" (3/4) ... [2018-11-28 12:43:37,149 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:43:37,155 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:43:37,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sumOfThirdBytes [2018-11-28 12:43:37,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 12:43:37,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 12:43:37,156 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:43:37,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-28 12:43:37,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 12:43:37,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:43:37,189 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d866f6b4-c3b6-496b-8332-4cb5c9e4c86e/bin-2019/uautomizer/witness.graphml [2018-11-28 12:43:37,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:43:37,190 INFO L168 Benchmark]: Toolchain (without parser) took 2251.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.6 MB in the beginning and 896.0 MB in the end (delta: 54.6 MB). Peak memory consumption was 206.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:37,191 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:43:37,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:37,191 INFO L168 Benchmark]: Boogie Preprocessor took 41.08 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:37,192 INFO L168 Benchmark]: RCFGBuilder took 309.95 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:37,192 INFO L168 Benchmark]: TraceAbstraction took 1508.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.4 MB in the end (delta: 197.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:37,192 INFO L168 Benchmark]: Witness Printer took 43.83 ms. Allocated memory is still 1.2 GB. Free memory was 899.4 MB in the beginning and 896.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:43:37,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.08 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 309.95 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1508.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.4 MB in the end (delta: 197.5 MB). Peak memory consumption was 197.5 MB. Max. memory is 11.5 GB. * Witness Printer took 43.83 ms. Allocated memory is still 1.2 GB. Free memory was 899.4 MB in the beginning and 896.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. 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, 1.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 108 SDtfs, 162 SDslu, 319 SDs, 0 SdLazy, 225 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s 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, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 116 ConstructedInterpolants, 7 QuantifiedInterpolants, 8344 SizeOfPredicates, 12 NumberOfNonLiveVariables, 163 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...