./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/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 8586441a08b46391c3ae26469a94ac820a4b60b0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:40:23,312 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:40:23,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:40:23,320 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:40:23,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:40:23,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:40:23,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:40:23,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:40:23,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:40:23,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:40:23,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:40:23,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:40:23,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:40:23,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:40:23,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:40:23,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:40:23,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:40:23,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:40:23,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:40:23,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:40:23,332 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:40:23,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:40:23,335 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:40:23,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:40:23,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:40:23,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:40:23,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:40:23,337 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:40:23,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:40:23,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:40:23,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:40:23,339 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:40:23,339 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:40:23,339 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:40:23,340 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:40:23,340 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:40:23,341 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-23 12:40:23,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:40:23,351 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:40:23,351 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:40:23,351 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:40:23,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:40:23,352 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:40:23,352 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:40:23,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:40:23,352 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 12:40:23,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:40:23,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:40:23,353 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:40:23,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:40:23,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:40:23,353 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 12:40:23,353 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:40:23,353 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:40:23,353 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:40:23,354 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:40:23,354 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:40:23,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:40:23,354 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:40:23,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:40:23,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:40:23,354 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:40:23,355 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:40:23,355 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:40:23,355 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:40:23,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:40:23,355 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_70022117-d5e2-41c1-96d9-d7128d963880/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 -> 8586441a08b46391c3ae26469a94ac820a4b60b0 [2018-11-23 12:40:23,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:40:23,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:40:23,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:40:23,394 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:40:23,394 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:40:23,395 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i [2018-11-23 12:40:23,433 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/data/e575edc4f/a67a7de31b134efb98919f491bea8867/FLAGcd6abb26c [2018-11-23 12:40:23,888 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:40:23,889 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i [2018-11-23 12:40:23,897 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/data/e575edc4f/a67a7de31b134efb98919f491bea8867/FLAGcd6abb26c [2018-11-23 12:40:23,910 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/data/e575edc4f/a67a7de31b134efb98919f491bea8867 [2018-11-23 12:40:23,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:40:23,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:40:23,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:40:23,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:40:23,916 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:40:23,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:23" (1/1) ... [2018-11-23 12:40:23,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133c7a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:23, skipping insertion in model container [2018-11-23 12:40:23,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:23" (1/1) ... [2018-11-23 12:40:23,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:40:23,960 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:40:24,134 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:40:24,139 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:40:24,203 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:40:24,226 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:40:24,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24 WrapperNode [2018-11-23 12:40:24,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:40:24,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:40:24,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:40:24,227 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:40:24,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:40:24,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:40:24,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:40:24,247 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:40:24,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... [2018-11-23 12:40:24,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:40:24,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:40:24,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:40:24,262 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:40:24,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/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 [2018-11-23 12:40:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:40:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:40:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:40:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:40:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:40:24,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:40:24,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:40:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:40:24,500 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:40:24,501 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:40:24,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:24 BoogieIcfgContainer [2018-11-23 12:40:24,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:40:24,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:40:24,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:40:24,505 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:40:24,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:40:23" (1/3) ... [2018-11-23 12:40:24,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdcffae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:40:24, skipping insertion in model container [2018-11-23 12:40:24,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:24" (2/3) ... [2018-11-23 12:40:24,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdcffae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:40:24, skipping insertion in model container [2018-11-23 12:40:24,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:24" (3/3) ... [2018-11-23 12:40:24,508 INFO L112 eAbstractionObserver]: Analyzing ICFG AdditionIntMin_false-no-overflow.c.i [2018-11-23 12:40:24,518 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:40:24,525 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-23 12:40:24,540 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-23 12:40:24,562 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:40:24,562 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:40:24,562 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:40:24,562 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:40:24,562 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:40:24,562 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:40:24,563 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:40:24,563 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:40:24,563 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:40:24,579 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 12:40:24,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:40:24,583 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:40:24,584 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:40:24,586 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 12:40:24,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:40:24,591 INFO L82 PathProgramCache]: Analyzing trace with hash -2123086959, now seen corresponding path program 1 times [2018-11-23 12:40:24,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:40:24,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:40:24,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:40:24,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:40:24,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:40:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:40:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:40:24,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:40:24,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:40:24,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:40:24,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:40:24,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:40:24,708 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2018-11-23 12:40:24,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:40:24,733 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-23 12:40:24,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:40:24,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 12:40:24,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:40:24,740 INFO L225 Difference]: With dead ends: 18 [2018-11-23 12:40:24,740 INFO L226 Difference]: Without dead ends: 9 [2018-11-23 12:40:24,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:40:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-11-23 12:40:24,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-11-23 12:40:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-23 12:40:24,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2018-11-23 12:40:24,765 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2018-11-23 12:40:24,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:40:24,765 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2018-11-23 12:40:24,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:40:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-23 12:40:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 12:40:24,766 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:40:24,766 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:40:24,766 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 12:40:24,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:40:24,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1391186250, now seen corresponding path program 1 times [2018-11-23 12:40:24,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:40:24,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:40:24,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:40:24,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:40:24,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:40:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:40:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:40:24,805 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=104, |#NULL.offset|=101, |#t~string29.base|=103, |#t~string29.offset|=102, |old(#NULL.base)|=104, |old(#NULL.offset)|=101, |old(#t~string29.base)|=103, |old(#t~string29.offset)|=102] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1); VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0, |old(#NULL.base)|=104, |old(#NULL.offset)|=101, |old(#t~string29.base)|=103, |old(#t~string29.offset)|=102] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0, |old(#NULL.base)|=104, |old(#NULL.offset)|=101, |old(#t~string29.base)|=103, |old(#t~string29.offset)|=102] [?] RET #16#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] CALL call #t~ret30 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] ~minInt~0 := -2147483648; VAL [main_~minInt~0=(- 2147483648), |#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] assume -1 + ~minInt~0 <= 2147483647; VAL [main_~minInt~0=(- 2147483648), |#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] assume !(-1 + ~minInt~0 >= -2147483648); VAL [main_~minInt~0=(- 2147483648), |#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=104, #NULL.offset=101, #t~string29.base=103, #t~string29.offset=102, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L334] call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4); [L334] call write~init~int(37, #t~string29.base, #t~string29.offset, 1); [L334] call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1); [L334] call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1); [L334] call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=104, #NULL.offset=101, #t~string29.base=103, #t~string29.offset=102, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L334] call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4); [L334] call write~init~int(37, #t~string29.base, #t~string29.offset, 1); [L334] call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1); [L334] call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1); [L334] call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=104, #NULL!offset=101, #t~string29!base=103, #t~string29!offset=102, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L334] FCALL call #t~string29 := #Ultimate.alloc(4); [L334] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L334] FCALL call write~init~int(100, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(10, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(0, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=104, #NULL!offset=101, #t~string29!base=103, #t~string29!offset=102, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L334] FCALL call #t~string29 := #Ultimate.alloc(4); [L334] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L334] FCALL call write~init~int(100, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(10, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(0, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=104, #NULL!offset=101, #t~string29!base=103, #t~string29!offset=102, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L334] FCALL call #t~string29 := #Ultimate.alloc(4); [L334] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L334] FCALL call write~init~int(100, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(10, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(0, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=104, #NULL!offset=101, #t~string29!base=103, #t~string29!offset=102, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L334] FCALL call #t~string29 := #Ultimate.alloc(4); [L334] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L334] FCALL call write~init~int(100, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(10, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(0, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L332] int minInt = -2147483647 - 1; VAL [minInt=-2147483648] [L333] minInt + -1 VAL [minInt=-2147483648] ----- [2018-11-23 12:40:24,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:40:24 BoogieIcfgContainer [2018-11-23 12:40:24,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:40:24,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:40:24,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:40:24,832 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:40:24,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:24" (3/4) ... [2018-11-23 12:40:24,834 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=104, |#NULL.offset|=101, |#t~string29.base|=103, |#t~string29.offset|=102, |old(#NULL.base)|=104, |old(#NULL.offset)|=101, |old(#t~string29.base)|=103, |old(#t~string29.offset)|=102] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1); VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0, |old(#NULL.base)|=104, |old(#NULL.offset)|=101, |old(#t~string29.base)|=103, |old(#t~string29.offset)|=102] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0, |old(#NULL.base)|=104, |old(#NULL.offset)|=101, |old(#t~string29.base)|=103, |old(#t~string29.offset)|=102] [?] RET #16#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] CALL call #t~ret30 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] ~minInt~0 := -2147483648; VAL [main_~minInt~0=(- 2147483648), |#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] assume -1 + ~minInt~0 <= 2147483647; VAL [main_~minInt~0=(- 2147483648), |#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] assume !(-1 + ~minInt~0 >= -2147483648); VAL [main_~minInt~0=(- 2147483648), |#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=105, |#t~string29.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=104, #NULL.offset=101, #t~string29.base=103, #t~string29.offset=102, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L334] call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4); [L334] call write~init~int(37, #t~string29.base, #t~string29.offset, 1); [L334] call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1); [L334] call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1); [L334] call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=104, #NULL.offset=101, #t~string29.base=103, #t~string29.offset=102, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L334] call #t~string29.base, #t~string29.offset := #Ultimate.alloc(4); [L334] call write~init~int(37, #t~string29.base, #t~string29.offset, 1); [L334] call write~init~int(100, #t~string29.base, 1 + #t~string29.offset, 1); [L334] call write~init~int(10, #t~string29.base, 2 + #t~string29.offset, 1); [L334] call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, old(#NULL.base)=104, old(#NULL.offset)=101, old(#t~string29.base)=103, old(#t~string29.offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=105, #t~string29.offset=0, ~minInt~0=-2147483648] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=104, #NULL!offset=101, #t~string29!base=103, #t~string29!offset=102, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L334] FCALL call #t~string29 := #Ultimate.alloc(4); [L334] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L334] FCALL call write~init~int(100, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(10, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(0, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=104, #NULL!offset=101, #t~string29!base=103, #t~string29!offset=102, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L334] FCALL call #t~string29 := #Ultimate.alloc(4); [L334] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L334] FCALL call write~init~int(100, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(10, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(0, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=104, #NULL!offset=101, #t~string29!base=103, #t~string29!offset=102, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L334] FCALL call #t~string29 := #Ultimate.alloc(4); [L334] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L334] FCALL call write~init~int(100, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(10, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(0, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=104, #NULL!offset=101, #t~string29!base=103, #t~string29!offset=102, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L334] FCALL call #t~string29 := #Ultimate.alloc(4); [L334] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L334] FCALL call write~init~int(100, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(10, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L334] FCALL call write~init~int(0, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, old(#NULL!base)=104, old(#NULL!offset)=101, old(#t~string29!base)=103, old(#t~string29!offset)=102] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0] [L332] ~minInt~0 := -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L333] assert -1 + ~minInt~0 >= -2147483648; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=105, #t~string29!offset=0, ~minInt~0=-2147483648] [L332] int minInt = -2147483647 - 1; VAL [minInt=-2147483648] [L333] minInt + -1 VAL [minInt=-2147483648] ----- [2018-11-23 12:40:24,867 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_70022117-d5e2-41c1-96d9-d7128d963880/bin-2019/uautomizer/witness.graphml [2018-11-23 12:40:24,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:40:24,868 INFO L168 Benchmark]: Toolchain (without parser) took 955.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -112.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:24,869 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:40:24,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:24,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.69 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:24,870 INFO L168 Benchmark]: Boogie Preprocessor took 14.05 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. [2018-11-23 12:40:24,870 INFO L168 Benchmark]: RCFGBuilder took 239.83 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: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:24,871 INFO L168 Benchmark]: TraceAbstraction took 329.61 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:40:24,871 INFO L168 Benchmark]: Witness Printer took 35.98 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. [2018-11-23 12:40:24,873 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.69 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.05 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 239.83 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: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 329.61 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.98 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int minInt = -2147483647 - 1; VAL [minInt=-2147483648] [L333] minInt + -1 VAL [minInt=-2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 4 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 2 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...