./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/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 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:36:01,338 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:36:01,339 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:36:01,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:36:01,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:36:01,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:36:01,347 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:36:01,348 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:36:01,349 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:36:01,350 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:36:01,351 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:36:01,351 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:36:01,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:36:01,352 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:36:01,352 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:36:01,353 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:36:01,353 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:36:01,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:36:01,356 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:36:01,357 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:36:01,357 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:36:01,358 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:36:01,360 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:36:01,360 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:36:01,360 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:36:01,361 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:36:01,361 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:36:01,362 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:36:01,362 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:36:01,363 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:36:01,363 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:36:01,364 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:36:01,364 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:36:01,364 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:36:01,364 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:36:01,365 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:36:01,365 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 16:36:01,373 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:36:01,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:36:01,374 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:36:01,374 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:36:01,379 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:36:01,379 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:36:01,379 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:36:01,379 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:36:01,379 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:36:01,379 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:36:01,379 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:36:01,380 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:36:01,380 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:36:01,380 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:36:01,380 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 16:36:01,380 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:36:01,380 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:36:01,380 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:36:01,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:36:01,381 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:36:01,381 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:36:01,381 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:36:01,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:36:01,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:36:01,381 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:36:01,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:36:01,382 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:36:01,382 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:36:01,382 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:36:01,382 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_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/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 -> 9382426e0298eea8efda3bbcf0c2ed9d078bc5a4 [2018-11-18 16:36:01,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:36:01,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:36:01,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:36:01,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:36:01,417 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:36:01,417 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 16:36:01,456 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/data/3cbff1715/498e9e05a371405baf93ff3d9193faeb/FLAG9b3409ec2 [2018-11-18 16:36:01,854 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:36:01,855 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/sv-benchmarks/c/termination-crafted/Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 16:36:01,859 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/data/3cbff1715/498e9e05a371405baf93ff3d9193faeb/FLAG9b3409ec2 [2018-11-18 16:36:01,870 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/data/3cbff1715/498e9e05a371405baf93ff3d9193faeb [2018-11-18 16:36:01,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:36:01,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:36:01,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:36:01,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:36:01,876 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:36:01,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:36:01" (1/1) ... [2018-11-18 16:36:01,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255127c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:01, skipping insertion in model container [2018-11-18 16:36:01,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:36:01" (1/1) ... [2018-11-18 16:36:01,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:36:01,895 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:36:02,001 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:36:02,004 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:36:02,012 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:36:02,020 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:36:02,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02 WrapperNode [2018-11-18 16:36:02,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:36:02,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:36:02,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:36:02,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:36:02,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (1/1) ... [2018-11-18 16:36:02,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (1/1) ... [2018-11-18 16:36:02,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (1/1) ... [2018-11-18 16:36:02,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (1/1) ... [2018-11-18 16:36:02,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (1/1) ... [2018-11-18 16:36:02,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (1/1) ... [2018-11-18 16:36:02,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (1/1) ... [2018-11-18 16:36:02,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:36:02,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:36:02,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:36:02,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:36:02,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/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 [2018-11-18 16:36:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:36:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:36:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:36:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 16:36:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:36:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:36:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:36:02,193 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:36:02,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:02 BoogieIcfgContainer [2018-11-18 16:36:02,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:36:02,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:36:02,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:36:02,196 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:36:02,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:36:01" (1/3) ... [2018-11-18 16:36:02,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b87be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:36:02, skipping insertion in model container [2018-11-18 16:36:02,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:36:02" (2/3) ... [2018-11-18 16:36:02,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b87be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:36:02, skipping insertion in model container [2018-11-18 16:36:02,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:02" (3/3) ... [2018-11-18 16:36:02,199 INFO L112 eAbstractionObserver]: Analyzing ICFG Bangalore_v4_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 16:36:02,204 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:36:02,209 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-18 16:36:02,217 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-18 16:36:02,235 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:36:02,236 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:36:02,236 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:36:02,236 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:36:02,236 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:36:02,236 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:36:02,236 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:36:02,236 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:36:02,236 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:36:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-18 16:36:02,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 16:36:02,251 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:02,252 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:02,254 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 16:36:02,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:02,257 INFO L82 PathProgramCache]: Analyzing trace with hash -217682939, now seen corresponding path program 1 times [2018-11-18 16:36:02,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:02,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:02,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:02,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:02,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:02,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:02,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:36:02,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:36:02,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:36:02,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:36:02,368 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-11-18 16:36:02,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:02,406 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2018-11-18 16:36:02,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:36:02,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-18 16:36:02,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:02,413 INFO L225 Difference]: With dead ends: 30 [2018-11-18 16:36:02,413 INFO L226 Difference]: Without dead ends: 16 [2018-11-18 16:36:02,415 INFO L604 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 [2018-11-18 16:36:02,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-18 16:36:02,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2018-11-18 16:36:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-18 16:36:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-18 16:36:02,437 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 9 [2018-11-18 16:36:02,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:02,437 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-11-18 16:36:02,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:36:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-18 16:36:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:36:02,438 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:02,438 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:02,438 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 16:36:02,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:02,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1841763534, now seen corresponding path program 1 times [2018-11-18 16:36:02,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:02,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:02,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:02,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:02,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:02,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:02,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:36:02,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:36:02,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:36:02,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:02,468 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2018-11-18 16:36:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:02,507 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-18 16:36:02,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:36:02,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-18 16:36:02,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:02,508 INFO L225 Difference]: With dead ends: 15 [2018-11-18 16:36:02,508 INFO L226 Difference]: Without dead ends: 14 [2018-11-18 16:36:02,508 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:36:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-18 16:36:02,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-18 16:36:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 16:36:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-18 16:36:02,510 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2018-11-18 16:36:02,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:02,510 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-18 16:36:02,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:36:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-18 16:36:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:36:02,511 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:02,511 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:02,511 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 16:36:02,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:02,512 INFO L82 PathProgramCache]: Analyzing trace with hash -229724099, now seen corresponding path program 1 times [2018-11-18 16:36:02,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:36:02,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:36:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:02,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:02,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:02,540 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:36:02,540 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:36:02,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:02,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:36:02,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:36:02,593 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:36:02,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 16:36:02,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:36:02,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:36:02,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:02,594 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2018-11-18 16:36:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:02,603 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-11-18 16:36:02,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:36:02,604 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-11-18 16:36:02,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:02,604 INFO L225 Difference]: With dead ends: 17 [2018-11-18 16:36:02,604 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:36:02,605 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:02,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:36:02,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:36:02,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:36:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:36:02,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-18 16:36:02,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:02,606 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:36:02,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:36:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:36:02,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:36:02,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:36:02,644 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 16:36:02,644 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:36:02,644 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:36:02,645 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 16:36:02,645 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:36:02,645 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:36:02,645 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 22) the Hoare annotation is: true [2018-11-18 16:36:02,645 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 22) no Hoare annotation was computed. [2018-11-18 16:36:02,645 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-18 16:36:02,645 INFO L425 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-18 16:36:02,645 INFO L425 ceAbstractionStarter]: For program point L16(lines 16 20) no Hoare annotation was computed. [2018-11-18 16:36:02,645 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 19) no Hoare annotation was computed. [2018-11-18 16:36:02,646 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-11-18 16:36:02,646 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-11-18 16:36:02,646 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-11-18 16:36:02,646 INFO L421 ceAbstractionStarter]: At program point L17-3(lines 17 19) the Hoare annotation is: (let ((.cse0 (+ main_~x~0 1)) (.cse1 (<= main_~y~0 2147483647))) (or (and (<= .cse0 main_~y~0) .cse1) (and (<= .cse0 0) .cse1))) [2018-11-18 16:36:02,646 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 22) no Hoare annotation was computed. [2018-11-18 16:36:02,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:36:02 BoogieIcfgContainer [2018-11-18 16:36:02,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:36:02,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:36:02,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:36:02,654 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:36:02,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:36:02" (3/4) ... [2018-11-18 16:36:02,657 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:36:02,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:36:02,662 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:36:02,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:36:02,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:36:02,664 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:36:02,691 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b49dfd1-bb35-41b3-b2ce-659aef69afe8/bin-2019/uautomizer/witness.graphml [2018-11-18 16:36:02,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:36:02,692 INFO L168 Benchmark]: Toolchain (without parser) took 819.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -109.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:02,692 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:36:02,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.25 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:02,693 INFO L168 Benchmark]: Boogie Preprocessor took 18.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:02,693 INFO L168 Benchmark]: RCFGBuilder took 154.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:02,694 INFO L168 Benchmark]: TraceAbstraction took 459.22 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:02,694 INFO L168 Benchmark]: Witness Printer took 37.20 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:02,696 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 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.25 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 951.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 946.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 459.22 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: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * Witness Printer took 37.20 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (x + 1 <= y && y <= 2147483647) || (x + 1 <= 0 && y <= 2147483647) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 17 locations, 2 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 31 SDtfs, 9 SDslu, 29 SDs, 0 SdLazy, 28 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 7 NumberOfFragments, 23 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 1231 SizeOfPredicates, 2 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...