./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions_true-no-overflow_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions_true-no-overflow_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e0252cfa120b4ee329feaa962183a7c8a17af771 .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:26:46,356 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:26:46,357 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:26:46,363 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:26:46,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:26:46,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:26:46,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:26:46,366 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:26:46,367 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:26:46,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:26:46,368 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:26:46,368 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:26:46,369 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:26:46,369 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:26:46,370 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:26:46,370 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:26:46,371 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:26:46,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:26:46,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:26:46,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:26:46,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:26:46,375 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:26:46,376 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:26:46,377 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:26:46,377 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:26:46,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:26:46,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:26:46,378 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:26:46,379 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:26:46,380 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:26:46,380 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:26:46,380 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:26:46,381 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:26:46,381 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:26:46,381 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:26:46,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:26:46,382 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 12:26:46,392 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:26:46,392 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:26:46,393 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:26:46,393 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:26:46,393 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:26:46,393 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:26:46,394 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:26:46,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:26:46,394 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:26:46,394 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:26:46,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:26:46,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:26:46,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:26:46,395 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:26:46,395 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 12:26:46,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:26:46,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:26:46,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:26:46,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:26:46,395 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:26:46,395 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:26:46,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:26:46,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:26:46,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:26:46,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:26:46,396 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:26:46,396 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:26:46,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:26:46,397 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d5859af8-ff45-470f-b438-987924c8072c/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0252cfa120b4ee329feaa962183a7c8a17af771 [2018-11-10 12:26:46,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:26:46,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:26:46,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:26:46,433 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:26:46,434 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:26:46,434 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/../../sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions_true-no-overflow_true-termination.c.i [2018-11-10 12:26:46,480 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/data/a6ba89ca5/e3358fe8e1534e539618d9b7b970d890/FLAGbc820a0a9 [2018-11-10 12:26:46,922 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:26:46,923 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/sv-benchmarks/c/signedintegeroverflow-regression/UsualArithmeticConversions_true-no-overflow_true-termination.c.i [2018-11-10 12:26:46,928 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/data/a6ba89ca5/e3358fe8e1534e539618d9b7b970d890/FLAGbc820a0a9 [2018-11-10 12:26:46,938 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/data/a6ba89ca5/e3358fe8e1534e539618d9b7b970d890 [2018-11-10 12:26:46,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:26:46,942 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:26:46,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:26:46,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:26:46,946 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:26:46,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:26:46" (1/1) ... [2018-11-10 12:26:46,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab27a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:46, skipping insertion in model container [2018-11-10 12:26:46,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:26:46" (1/1) ... [2018-11-10 12:26:46,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:26:46,978 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:26:47,131 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:26:47,136 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:26:47,157 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:26:47,186 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:26:47,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47 WrapperNode [2018-11-10 12:26:47,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:26:47,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:26:47,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:26:47,187 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:26:47,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (1/1) ... [2018-11-10 12:26:47,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (1/1) ... [2018-11-10 12:26:47,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (1/1) ... [2018-11-10 12:26:47,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (1/1) ... [2018-11-10 12:26:47,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (1/1) ... [2018-11-10 12:26:47,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (1/1) ... [2018-11-10 12:26:47,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (1/1) ... [2018-11-10 12:26:47,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:26:47,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:26:47,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:26:47,259 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:26:47,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/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 [2018-11-10 12:26:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:26:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:26:47,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:26:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2018-11-10 12:26:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2018-11-10 12:26:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2018-11-10 12:26:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2018-11-10 12:26:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2018-11-10 12:26:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2018-11-10 12:26:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2018-11-10 12:26:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2018-11-10 12:26:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2018-11-10 12:26:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-10 12:26:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2018-11-10 12:26:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2018-11-10 12:26:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2018-11-10 12:26:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2018-11-10 12:26:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2018-11-10 12:26:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2018-11-10 12:26:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2018-11-10 12:26:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2018-11-10 12:26:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:26:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:26:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:26:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:26:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 12:26:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:26:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:26:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:26:47,544 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:26:47,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:26:47 BoogieIcfgContainer [2018-11-10 12:26:47,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:26:47,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:26:47,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:26:47,547 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:26:47,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:26:46" (1/3) ... [2018-11-10 12:26:47,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a926967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:26:47, skipping insertion in model container [2018-11-10 12:26:47,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:26:47" (2/3) ... [2018-11-10 12:26:47,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a926967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:26:47, skipping insertion in model container [2018-11-10 12:26:47,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:26:47" (3/3) ... [2018-11-10 12:26:47,550 INFO L112 eAbstractionObserver]: Analyzing ICFG UsualArithmeticConversions_true-no-overflow_true-termination.c.i [2018-11-10 12:26:47,556 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:26:47,560 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-10 12:26:47,569 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-10 12:26:47,588 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:26:47,589 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:26:47,589 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:26:47,589 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:26:47,589 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:26:47,589 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:26:47,589 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:26:47,589 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:26:47,589 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:26:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-10 12:26:47,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:26:47,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2018-11-10 12:26:47,644 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:26:47,645 INFO L425 ceAbstractionStarter]: For program point L333(line 333) no Hoare annotation was computed. [2018-11-10 12:26:47,645 INFO L425 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2018-11-10 12:26:47,645 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:26:47,645 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:26:47,645 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:26:47,645 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 12:26:47,645 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:26:47,645 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:26:47,645 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 331 335) the Hoare annotation is: true [2018-11-10 12:26:47,645 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 331 335) no Hoare annotation was computed. [2018-11-10 12:26:47,645 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 331 335) no Hoare annotation was computed. [2018-11-10 12:26:47,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:26:47 BoogieIcfgContainer [2018-11-10 12:26:47,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:26:47,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:26:47,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:26:47,649 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:26:47,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:26:47" (3/4) ... [2018-11-10 12:26:47,653 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:26:47,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:26:47,658 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:26:47,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-10 12:26:47,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 12:26:47,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:26:47,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:26:47,685 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d5859af8-ff45-470f-b438-987924c8072c/bin-2019/uautomizer/witness.graphml [2018-11-10 12:26:47,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:26:47,685 INFO L168 Benchmark]: Toolchain (without parser) took 744.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -130.2 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:26:47,686 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:26:47,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.12 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 938.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:26:47,687 INFO L168 Benchmark]: Boogie Preprocessor took 71.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:26:47,687 INFO L168 Benchmark]: RCFGBuilder took 285.61 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:26:47,688 INFO L168 Benchmark]: TraceAbstraction took 103.85 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:26:47,688 INFO L168 Benchmark]: Witness Printer took 35.58 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:26:47,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.12 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 938.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 285.61 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 103.85 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 35.58 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...