./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_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_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/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 4ee0473dc6d7092e83742edafdde9370f3b93e25 .................................................................................................................................................................................................................................................................................................................................................... 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 15:03:09,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:03:09,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:03:09,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:03:09,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:03:09,448 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:03:09,449 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:03:09,450 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:03:09,451 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:03:09,452 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:03:09,452 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:03:09,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:03:09,453 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:03:09,454 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:03:09,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:03:09,455 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:03:09,456 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:03:09,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:03:09,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:03:09,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:03:09,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:03:09,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:03:09,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:03:09,462 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:03:09,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:03:09,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:03:09,464 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:03:09,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:03:09,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:03:09,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:03:09,466 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:03:09,466 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:03:09,466 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:03:09,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:03:09,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:03:09,468 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:03:09,468 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 15:03:09,477 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:03:09,477 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:03:09,477 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:03:09,477 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:03:09,478 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:03:09,478 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:03:09,478 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:03:09,478 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:03:09,478 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:03:09,478 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:03:09,479 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:03:09,479 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:03:09,479 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:03:09,479 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:03:09,479 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:03:09,479 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:03:09,479 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:03:09,479 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:03:09,480 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:03:09,480 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:03:09,480 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:03:09,480 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:03:09,480 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:03:09,480 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:03:09,480 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:03:09,480 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:03:09,481 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:03:09,481 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:03:09,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:03:09,481 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_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/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 -> 4ee0473dc6d7092e83742edafdde9370f3b93e25 [2018-11-18 15:03:09,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:03:09,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:03:09,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:03:09,514 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:03:09,514 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:03:09,514 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 15:03:09,550 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/data/2b9603241/a1a06ce3a688442ea240aa134ff074dd/FLAGe65ccf901 [2018-11-18 15:03:09,861 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:03:09,861 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/sv-benchmarks/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 15:03:09,866 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/data/2b9603241/a1a06ce3a688442ea240aa134ff074dd/FLAGe65ccf901 [2018-11-18 15:03:09,876 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/data/2b9603241/a1a06ce3a688442ea240aa134ff074dd [2018-11-18 15:03:09,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:03:09,879 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:03:09,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:03:09,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:03:09,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:03:09,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:03:09" (1/1) ... [2018-11-18 15:03:09,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72aa726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:09, skipping insertion in model container [2018-11-18 15:03:09,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:03:09" (1/1) ... [2018-11-18 15:03:09,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:03:09,906 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:03:10,004 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:03:10,006 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:03:10,015 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:03:10,023 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:03:10,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10 WrapperNode [2018-11-18 15:03:10,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:03:10,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:03:10,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:03:10,024 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:03:10,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (1/1) ... [2018-11-18 15:03:10,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (1/1) ... [2018-11-18 15:03:10,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (1/1) ... [2018-11-18 15:03:10,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (1/1) ... [2018-11-18 15:03:10,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (1/1) ... [2018-11-18 15:03:10,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (1/1) ... [2018-11-18 15:03:10,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (1/1) ... [2018-11-18 15:03:10,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:03:10,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:03:10,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:03:10,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:03:10,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/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 15:03:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:03:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:03:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:03:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 15:03:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:03:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:03:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:03:10,197 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:03:10,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:03:10 BoogieIcfgContainer [2018-11-18 15:03:10,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:03:10,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:03:10,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:03:10,200 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:03:10,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:03:09" (1/3) ... [2018-11-18 15:03:10,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7161f697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:03:10, skipping insertion in model container [2018-11-18 15:03:10,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:03:10" (2/3) ... [2018-11-18 15:03:10,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7161f697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:03:10, skipping insertion in model container [2018-11-18 15:03:10,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:03:10" (3/3) ... [2018-11-18 15:03:10,202 INFO L112 eAbstractionObserver]: Analyzing ICFG Cairo_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-18 15:03:10,208 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:03:10,212 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-18 15:03:10,221 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-18 15:03:10,239 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:03:10,240 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:03:10,240 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:03:10,240 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:03:10,240 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:03:10,240 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:03:10,240 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:03:10,240 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:03:10,240 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:03:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-18 15:03:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 15:03:10,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:03:10,254 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:03:10,256 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:03:10,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:10,259 INFO L82 PathProgramCache]: Analyzing trace with hash -217682939, now seen corresponding path program 1 times [2018-11-18 15:03:10,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:03:10,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:03:10,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:10,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:10,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:10,344 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 15:03:10,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:03:10,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:03:10,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:03:10,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:03:10,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:03:10,358 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-11-18 15:03:10,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:03:10,393 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-18 15:03:10,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:03:10,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-18 15:03:10,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:03:10,402 INFO L225 Difference]: With dead ends: 22 [2018-11-18 15:03:10,402 INFO L226 Difference]: Without dead ends: 11 [2018-11-18 15:03:10,405 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 15:03:10,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-11-18 15:03:10,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-11-18 15:03:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-18 15:03:10,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-18 15:03:10,433 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-11-18 15:03:10,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:03:10,434 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-11-18 15:03:10,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:03:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-18 15:03:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 15:03:10,434 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:03:10,434 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:03:10,435 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:03:10,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:10,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1841763534, now seen corresponding path program 1 times [2018-11-18 15:03:10,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:03:10,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:03:10,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:10,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:10,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:10,455 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 15:03:10,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:03:10,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:03:10,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:03:10,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:03:10,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:03:10,458 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 3 states. [2018-11-18 15:03:10,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:03:10,477 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-11-18 15:03:10,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:03:10,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-18 15:03:10,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:03:10,478 INFO L225 Difference]: With dead ends: 16 [2018-11-18 15:03:10,478 INFO L226 Difference]: Without dead ends: 15 [2018-11-18 15:03:10,479 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 15:03:10,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-18 15:03:10,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-18 15:03:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-18 15:03:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-18 15:03:10,482 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 10 [2018-11-18 15:03:10,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:03:10,483 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-11-18 15:03:10,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:03:10,483 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-18 15:03:10,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 15:03:10,483 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:03:10,483 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:03:10,483 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:03:10,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:10,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1468487574, now seen corresponding path program 1 times [2018-11-18 15:03:10,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:03:10,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:03:10,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:10,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:10,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:03:10,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:03:10,513 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/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 15:03:10,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:10,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:03:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:03:10,566 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:03:10,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-11-18 15:03:10,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:03:10,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:03:10,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:03:10,567 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2018-11-18 15:03:10,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:03:10,583 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-18 15:03:10,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:03:10,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-18 15:03:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:03:10,584 INFO L225 Difference]: With dead ends: 15 [2018-11-18 15:03:10,584 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:03:10,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:03:10,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:03:10,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:03:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:03:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:03:10,585 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-18 15:03:10,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:03:10,585 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:03:10,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:03:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:03:10,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:03:10,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:03:10,620 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 15:03:10,620 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:03:10,620 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:03:10,620 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 15:03:10,620 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:03:10,620 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:03:10,620 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2018-11-18 15:03:10,620 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 16 26) the Hoare annotation is: true [2018-11-18 15:03:10,620 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2018-11-18 15:03:10,620 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 16 26) no Hoare annotation was computed. [2018-11-18 15:03:10,621 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 15:03:10,621 INFO L425 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-11-18 15:03:10,621 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. [2018-11-18 15:03:10,621 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 23) no Hoare annotation was computed. [2018-11-18 15:03:10,621 INFO L425 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-11-18 15:03:10,621 INFO L421 ceAbstractionStarter]: At program point L21-3(lines 21 23) the Hoare annotation is: (and (<= main_~x~0 2147483647) (<= 0 main_~x~0)) [2018-11-18 15:03:10,621 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 16 26) no Hoare annotation was computed. [2018-11-18 15:03:10,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:03:10 BoogieIcfgContainer [2018-11-18 15:03:10,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:03:10,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:03:10,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:03:10,629 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:03:10,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:03:10" (3/4) ... [2018-11-18 15:03:10,632 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:03:10,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:03:10,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:03:10,639 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:03:10,639 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 15:03:10,639 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 15:03:10,666 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61c30bb0-e2c2-4a14-8e95-cafed53e3ccf/bin-2019/uautomizer/witness.graphml [2018-11-18 15:03:10,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:03:10,667 INFO L168 Benchmark]: Toolchain (without parser) took 788.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:03:10,668 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-18 15:03:10,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:03:10,669 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:03:10,669 INFO L168 Benchmark]: RCFGBuilder took 157.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:03:10,670 INFO L168 Benchmark]: TraceAbstraction took 430.64 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:03:10,670 INFO L168 Benchmark]: Witness Printer took 37.48 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:03:10,672 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 143.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 430.64 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * Witness Printer took 37.48 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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: 21]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 17 locations, 2 error locations. SAFE Result, 0.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25 SDtfs, 6 SDslu, 20 SDs, 0 SdLazy, 21 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 1035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...