./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05602efd0716c9bc46b30aae12cb2e2448644d24 ............................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:44:35,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:44:35,795 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:44:35,806 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:44:35,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:44:35,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:44:35,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:44:35,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:44:35,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:44:35,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:44:35,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:44:35,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:44:35,820 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:44:35,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:44:35,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:44:35,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:44:35,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:44:35,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:44:35,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:44:35,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:44:35,835 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:44:35,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:44:35,841 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:44:35,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:44:35,843 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:44:35,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:44:35,845 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:44:35,845 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:44:35,846 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:44:35,847 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:44:35,847 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:44:35,847 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:44:35,847 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:44:35,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:44:35,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:44:35,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:44:35,853 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-10-27 05:44:35,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:44:35,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:44:35,871 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:44:35,871 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:44:35,871 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:44:35,872 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:44:35,872 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:44:35,872 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:44:35,873 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:44:35,873 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:44:35,873 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:44:35,874 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:44:35,875 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:44:35,875 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:44:35,875 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:44:35,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:44:35,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:44:35,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:44:35,876 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:44:35,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:44:35,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:44:35,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:44:35,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:44:35,877 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:44:35,877 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:44:35,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:44:35,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:44:35,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:44:35,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:44:35,877 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:44:35,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:44:35,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:44:35,878 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:44:35,878 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan 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 -> Taipan 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 -> 05602efd0716c9bc46b30aae12cb2e2448644d24 [2018-10-27 05:44:35,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:44:35,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:44:35,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:44:35,948 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:44:35,948 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:44:35,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c [2018-10-27 05:44:35,990 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/data/a12c3fa96/532eb59e327d440e8b47ba8c456fed90/FLAGfd42302c2 [2018-10-27 05:44:36,365 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:44:36,366 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c [2018-10-27 05:44:36,371 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/data/a12c3fa96/532eb59e327d440e8b47ba8c456fed90/FLAGfd42302c2 [2018-10-27 05:44:36,385 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/data/a12c3fa96/532eb59e327d440e8b47ba8c456fed90 [2018-10-27 05:44:36,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:44:36,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:44:36,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:44:36,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:44:36,399 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:44:36,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40893eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36, skipping insertion in model container [2018-10-27 05:44:36,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:44:36,429 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:44:36,550 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:44:36,553 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:44:36,563 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:44:36,572 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:44:36,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36 WrapperNode [2018-10-27 05:44:36,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:44:36,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:44:36,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:44:36,573 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:44:36,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:44:36,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:44:36,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:44:36,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:44:36,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... [2018-10-27 05:44:36,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:44:36,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:44:36,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:44:36,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:44:36,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/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 [2018-10-27 05:44:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:44:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:44:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:44:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:44:36,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:44:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:44:36,993 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:44:36,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:44:36 BoogieIcfgContainer [2018-10-27 05:44:36,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:44:36,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:44:36,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:44:36,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:44:36,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:44:36" (1/3) ... [2018-10-27 05:44:36,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d1d09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:44:36, skipping insertion in model container [2018-10-27 05:44:36,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:44:36" (2/3) ... [2018-10-27 05:44:36,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d1d09b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:44:36, skipping insertion in model container [2018-10-27 05:44:36,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:44:36" (3/3) ... [2018-10-27 05:44:37,001 INFO L112 eAbstractionObserver]: Analyzing ICFG ChenFlurMukhopadhyay-SAS2012-Ex3.01_true-termination_true-no-overflow.c [2018-10-27 05:44:37,010 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:44:37,016 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-10-27 05:44:37,029 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-10-27 05:44:37,055 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:44:37,055 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:44:37,055 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:44:37,055 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:44:37,055 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:44:37,056 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:44:37,056 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:44:37,056 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:44:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-10-27 05:44:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:44:37,075 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:44:37,076 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:44:37,077 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:44:37,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:44:37,082 INFO L82 PathProgramCache]: Analyzing trace with hash 2105155535, now seen corresponding path program 1 times [2018-10-27 05:44:37,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:44:37,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:44:37,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:44:37,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:44:37,131 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:44:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:44:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:44:37,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:44:37,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 05:44:37,301 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:44:37,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 05:44:37,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 05:44:37,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:44:37,317 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2018-10-27 05:44:37,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:44:37,516 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2018-10-27 05:44:37,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 05:44:37,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-27 05:44:37,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:44:37,525 INFO L225 Difference]: With dead ends: 30 [2018-10-27 05:44:37,525 INFO L226 Difference]: Without dead ends: 16 [2018-10-27 05:44:37,527 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 05:44:37,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-10-27 05:44:37,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2018-10-27 05:44:37,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-10-27 05:44:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-10-27 05:44:37,557 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2018-10-27 05:44:37,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:44:37,558 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-10-27 05:44:37,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 05:44:37,558 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-10-27 05:44:37,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:44:37,558 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:44:37,559 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:44:37,559 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:44:37,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:44:37,559 INFO L82 PathProgramCache]: Analyzing trace with hash 835312193, now seen corresponding path program 1 times [2018-10-27 05:44:37,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:44:37,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:44:37,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:44:37,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:44:37,561 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:44:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:44:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:44:37,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:44:37,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:44:37,591 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:44:37,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:44:37,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:44:37,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:44:37,593 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 3 states. [2018-10-27 05:44:37,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:44:37,636 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-10-27 05:44:37,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:44:37,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-10-27 05:44:37,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:44:37,637 INFO L225 Difference]: With dead ends: 14 [2018-10-27 05:44:37,637 INFO L226 Difference]: Without dead ends: 13 [2018-10-27 05:44:37,638 INFO L605 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 [2018-10-27 05:44:37,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-10-27 05:44:37,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-10-27 05:44:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-10-27 05:44:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-10-27 05:44:37,640 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 9 [2018-10-27 05:44:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:44:37,640 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-10-27 05:44:37,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:44:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-10-27 05:44:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:44:37,640 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:44:37,641 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:44:37,641 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:44:37,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:44:37,641 INFO L82 PathProgramCache]: Analyzing trace with hash -254933433, now seen corresponding path program 1 times [2018-10-27 05:44:37,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:44:37,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:44:37,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:44:37,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:44:37,642 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:44:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:44:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:44:37,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 05:44:37,707 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 05:44:37,708 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 13 with the following transitions: [2018-10-27 05:44:37,709 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [14], [15], [16], [18], [24], [25], [26] [2018-10-27 05:44:37,747 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 05:44:37,747 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 05:44:37,843 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 05:44:37,845 INFO L272 AbstractInterpreter]: Visited 10 different actions 10 times. Never merged. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 6 variables. [2018-10-27 05:44:37,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:44:37,863 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 05:44:37,922 INFO L227 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 40% of their original sizes. [2018-10-27 05:44:37,922 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 05:44:38,105 INFO L415 sIntCurrentIteration]: We unified 11 AI predicates to 11 [2018-10-27 05:44:38,106 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 05:44:38,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 05:44:38,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2018-10-27 05:44:38,106 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:44:38,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 05:44:38,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 05:44:38,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 05:44:38,107 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 6 states. [2018-10-27 05:44:38,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:44:38,192 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-10-27 05:44:38,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 05:44:38,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-10-27 05:44:38,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:44:38,192 INFO L225 Difference]: With dead ends: 13 [2018-10-27 05:44:38,192 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 05:44:38,193 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 05:44:38,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 05:44:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 05:44:38,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 05:44:38,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 05:44:38,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2018-10-27 05:44:38,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:44:38,194 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 05:44:38,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 05:44:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 05:44:38,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:44:38,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 05:44:38,483 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 21 [2018-10-27 05:44:38,485 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-27 05:44:38,485 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:44:38,485 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:44:38,487 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 05:44:38,487 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 05:44:38,487 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 05:44:38,487 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 22 32) the Hoare annotation is: true [2018-10-27 05:44:38,487 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-27 05:44:38,487 INFO L425 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-10-27 05:44:38,487 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 27 30) no Hoare annotation was computed. [2018-10-27 05:44:38,487 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 22 32) no Hoare annotation was computed. [2018-10-27 05:44:38,488 INFO L421 ceAbstractionStarter]: At program point L27-3(lines 27 30) the Hoare annotation is: (let ((.cse0 (* 2 main_~y~0)) (.cse1 (* 2 main_~z~0))) (and (<= 0 (+ main_~x~0 2147483648)) (<= 0 (+ .cse0 4294967296)) (<= .cse0 4294967294) (<= 0 (+ .cse1 4294967296)) (<= (* 2 main_~x~0) 4294967294) (<= .cse1 4294967294))) [2018-10-27 05:44:38,488 INFO L425 ceAbstractionStarter]: For program point L27-4(lines 27 30) no Hoare annotation was computed. [2018-10-27 05:44:38,488 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 22 32) no Hoare annotation was computed. [2018-10-27 05:44:38,488 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-10-27 05:44:38,488 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-10-27 05:44:38,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:44:38 BoogieIcfgContainer [2018-10-27 05:44:38,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:44:38,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:44:38,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:44:38,498 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:44:38,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:44:36" (3/4) ... [2018-10-27 05:44:38,501 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:44:38,506 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 05:44:38,506 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 05:44:38,518 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-27 05:44:38,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:44:38,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 05:44:38,551 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_38e34e9b-f4f0-40b5-8469-283599242b9e/bin-2019/utaipan/witness.graphml [2018-10-27 05:44:38,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:44:38,552 INFO L168 Benchmark]: Toolchain (without parser) took 2163.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -98.9 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:44:38,553 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:44:38,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.08 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 944.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:44:38,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.00 ms. Allocated memory is still 1.0 GB. Free memory is still 944.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:44:38,554 INFO L168 Benchmark]: Boogie Preprocessor took 17.14 ms. Allocated memory is still 1.0 GB. Free memory is still 944.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:44:38,554 INFO L168 Benchmark]: RCFGBuilder took 384.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.9 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:44:38,555 INFO L168 Benchmark]: TraceAbstraction took 1503.34 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: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:44:38,555 INFO L168 Benchmark]: Witness Printer took 53.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:44:38,557 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.08 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 944.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.00 ms. Allocated memory is still 1.0 GB. Free memory is still 944.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.14 ms. Allocated memory is still 1.0 GB. Free memory is still 944.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 384.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.9 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1503.34 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: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. * Witness Printer took 53.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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: 27]: Loop Invariant Derived loop invariant: ((((0 <= x + 2147483648 && 0 <= 2 * y + 4294967296) && 2 * y <= 4294967294) && 0 <= 2 * z + 4294967296) && 2 * x <= 4294967294) && 2 * z <= 4294967294 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 16 locations, 2 error locations. SAFE Result, 1.4s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 15 SDslu, 33 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9848484848484849 AbsIntWeakeningRatio, 0.36363636363636365 AbsIntAvgWeakeningVarsNumRemoved, 5.090909090909091 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 39 HoareAnnotationTreeSize, 5 FomulaSimplifications, 109 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 70 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...