./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/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 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:46:00,981 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:46:00,982 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:46:00,989 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:46:00,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:46:00,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:46:00,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:46:00,992 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:46:00,993 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:46:00,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:46:00,994 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:46:00,994 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:46:00,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:46:00,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:46:00,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:46:00,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:46:00,997 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:46:00,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:46:01,000 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:46:01,001 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:46:01,002 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:46:01,002 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:46:01,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:46:01,004 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:46:01,004 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:46:01,005 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:46:01,005 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:46:01,006 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:46:01,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:46:01,007 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:46:01,007 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:46:01,008 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:46:01,008 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:46:01,008 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:46:01,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:46:01,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:46:01,009 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 12:46:01,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:46:01,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:46:01,020 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:46:01,021 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:46:01,021 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:46:01,021 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:46:01,021 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:46:01,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:46:01,021 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:46:01,022 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:46:01,022 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:46:01,022 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:46:01,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:46:01,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:46:01,022 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 12:46:01,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:46:01,023 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:46:01,023 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:46:01,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:46:01,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:46:01,023 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:46:01,023 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:46:01,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:46:01,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:46:01,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:46:01,024 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:46:01,024 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:46:01,024 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:46:01,024 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:46:01,024 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_06033023-9fed-478d-989b-317dd315fe45/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 -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2018-11-28 12:46:01,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:46:01,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:46:01,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:46:01,062 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:46:01,062 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:46:01,063 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-28 12:46:01,108 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/data/0b601a9ef/812f61341ec64bd890255212b4c3a9ba/FLAG783416c2d [2018-11-28 12:46:01,404 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:46:01,404 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-28 12:46:01,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/data/0b601a9ef/812f61341ec64bd890255212b4c3a9ba/FLAG783416c2d [2018-11-28 12:46:01,417 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/data/0b601a9ef/812f61341ec64bd890255212b4c3a9ba [2018-11-28 12:46:01,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:46:01,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:46:01,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:46:01,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:46:01,424 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:46:01,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecdbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01, skipping insertion in model container [2018-11-28 12:46:01,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:46:01,446 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:46:01,560 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:46:01,564 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:46:01,574 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:46:01,582 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:46:01,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01 WrapperNode [2018-11-28 12:46:01,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:46:01,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:46:01,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:46:01,583 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:46:01,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:46:01,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:46:01,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:46:01,595 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:46:01,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... [2018-11-28 12:46:01,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:46:01,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:46:01,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:46:01,610 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:46:01,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/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 [2018-11-28 12:46:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:46:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:46:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:46:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:46:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:46:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:46:01,800 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:46:01,800 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:46:01,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:01 BoogieIcfgContainer [2018-11-28 12:46:01,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:46:01,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:46:01,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:46:01,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:46:01,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:46:01" (1/3) ... [2018-11-28 12:46:01,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d76fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:46:01, skipping insertion in model container [2018-11-28 12:46:01,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:01" (2/3) ... [2018-11-28 12:46:01,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d76fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:46:01, skipping insertion in model container [2018-11-28 12:46:01,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:01" (3/3) ... [2018-11-28 12:46:01,808 INFO L112 eAbstractionObserver]: Analyzing ICFG UrbanMine-ESOP2014-Fig3_true-termination_true-no-overflow.c [2018-11-28 12:46:01,817 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:46:01,822 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-11-28 12:46:01,835 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-11-28 12:46:01,858 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:46:01,858 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:46:01,858 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:46:01,859 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:46:01,859 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:46:01,859 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:46:01,859 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:46:01,859 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:46:01,859 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:46:01,873 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-28 12:46:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 12:46:01,877 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:01,877 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:01,879 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 12:46:01,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:01,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1648261274, now seen corresponding path program 1 times [2018-11-28 12:46:01,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:01,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:01,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:01,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:01,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:01,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:01,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:46:01,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:46:02,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:46:02,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,007 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 3 states. [2018-11-28 12:46:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:02,054 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-11-28 12:46:02,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:46:02,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 12:46:02,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:02,063 INFO L225 Difference]: With dead ends: 48 [2018-11-28 12:46:02,063 INFO L226 Difference]: Without dead ends: 34 [2018-11-28 12:46:02,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-28 12:46:02,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-11-28 12:46:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-28 12:46:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2018-11-28 12:46:02,088 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 9 [2018-11-28 12:46:02,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:02,089 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2018-11-28 12:46:02,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:46:02,089 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2018-11-28 12:46:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 12:46:02,089 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:02,089 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:02,090 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 12:46:02,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:02,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1648261466, now seen corresponding path program 1 times [2018-11-28 12:46:02,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:02,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:02,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:02,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:02,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:02,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:46:02,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:46:02,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:46:02,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,121 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand 3 states. [2018-11-28 12:46:02,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:02,142 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2018-11-28 12:46:02,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:46:02,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 12:46:02,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:02,143 INFO L225 Difference]: With dead ends: 32 [2018-11-28 12:46:02,143 INFO L226 Difference]: Without dead ends: 30 [2018-11-28 12:46:02,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-28 12:46:02,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-28 12:46:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-28 12:46:02,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2018-11-28 12:46:02,147 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 9 [2018-11-28 12:46:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:02,147 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2018-11-28 12:46:02,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:46:02,147 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2018-11-28 12:46:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 12:46:02,148 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:02,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:02,148 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 12:46:02,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:02,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1648277162, now seen corresponding path program 1 times [2018-11-28 12:46:02,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:02,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:02,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:02,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:02,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:02,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:46:02,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:46:02,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:46:02,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,172 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 3 states. [2018-11-28 12:46:02,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:02,194 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2018-11-28 12:46:02,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:46:02,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 12:46:02,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:02,195 INFO L225 Difference]: With dead ends: 30 [2018-11-28 12:46:02,195 INFO L226 Difference]: Without dead ends: 29 [2018-11-28 12:46:02,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-28 12:46:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-28 12:46:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-28 12:46:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2018-11-28 12:46:02,199 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 9 [2018-11-28 12:46:02,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:02,199 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2018-11-28 12:46:02,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:46:02,199 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2018-11-28 12:46:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 12:46:02,200 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:02,200 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:02,200 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 12:46:02,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:02,200 INFO L82 PathProgramCache]: Analyzing trace with hash -443508005, now seen corresponding path program 1 times [2018-11-28 12:46:02,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:02,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:02,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:02,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:02,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:02,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:46:02,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:46:02,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:46:02,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,216 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand 3 states. [2018-11-28 12:46:02,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:02,250 INFO L93 Difference]: Finished difference Result 56 states and 73 transitions. [2018-11-28 12:46:02,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:46:02,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 12:46:02,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:02,252 INFO L225 Difference]: With dead ends: 56 [2018-11-28 12:46:02,252 INFO L226 Difference]: Without dead ends: 32 [2018-11-28 12:46:02,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-28 12:46:02,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-11-28 12:46:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-28 12:46:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2018-11-28 12:46:02,256 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 10 [2018-11-28 12:46:02,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:02,256 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2018-11-28 12:46:02,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:46:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-11-28 12:46:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 12:46:02,257 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:02,257 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:02,257 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 12:46:02,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:02,257 INFO L82 PathProgramCache]: Analyzing trace with hash -443502047, now seen corresponding path program 1 times [2018-11-28 12:46:02,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:02,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:02,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:02,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:02,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:02,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:46:02,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:46:02,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:46:02,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,284 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 3 states. [2018-11-28 12:46:02,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:02,311 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2018-11-28 12:46:02,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:46:02,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 12:46:02,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:02,312 INFO L225 Difference]: With dead ends: 33 [2018-11-28 12:46:02,312 INFO L226 Difference]: Without dead ends: 31 [2018-11-28 12:46:02,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-28 12:46:02,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2018-11-28 12:46:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-28 12:46:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2018-11-28 12:46:02,315 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 10 [2018-11-28 12:46:02,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:02,316 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2018-11-28 12:46:02,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:46:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-11-28 12:46:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 12:46:02,316 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:02,316 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:02,317 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 12:46:02,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:02,317 INFO L82 PathProgramCache]: Analyzing trace with hash -443015461, now seen corresponding path program 1 times [2018-11-28 12:46:02,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:02,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:02,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:02,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:02,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:02,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:46:02,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:46:02,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:46:02,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,332 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand 3 states. [2018-11-28 12:46:02,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:02,355 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2018-11-28 12:46:02,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:46:02,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 12:46:02,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:02,356 INFO L225 Difference]: With dead ends: 30 [2018-11-28 12:46:02,356 INFO L226 Difference]: Without dead ends: 29 [2018-11-28 12:46:02,357 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:02,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-28 12:46:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-11-28 12:46:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-28 12:46:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2018-11-28 12:46:02,359 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 10 [2018-11-28 12:46:02,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:02,360 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2018-11-28 12:46:02,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:46:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-11-28 12:46:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 12:46:02,360 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:02,360 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:02,361 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 12:46:02,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:02,361 INFO L82 PathProgramCache]: Analyzing trace with hash 209418272, now seen corresponding path program 1 times [2018-11-28 12:46:02,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:02,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:02,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:02,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:46:02,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:02,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:46:02,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:46:02,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:46:02,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:46:02,384 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand 4 states. [2018-11-28 12:46:02,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:02,406 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2018-11-28 12:46:02,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:46:02,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-28 12:46:02,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:02,406 INFO L225 Difference]: With dead ends: 54 [2018-11-28 12:46:02,407 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:46:02,407 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:46:02,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:46:02,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:46:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:46:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:46:02,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-28 12:46:02,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:02,408 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:46:02,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:46:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:46:02,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:46:02,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:46:02,473 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 12:46:02,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:46:02,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:46:02,473 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 12:46:02,473 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:46:02,473 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:46:02,473 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 32) no Hoare annotation was computed. [2018-11-28 12:46:02,473 INFO L444 ceAbstractionStarter]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= main_~x~0 2147483647) (<= 0 (+ main_~x~0 2147483648)) (<= main_~y~0 2147483647)) [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 36) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 33) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 36) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 36) the Hoare annotation is: true [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L30-1(line 30) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-28 12:46:02,474 INFO L448 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-28 12:46:02,475 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2018-11-28 12:46:02,475 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 25) no Hoare annotation was computed. [2018-11-28 12:46:02,475 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-28 12:46:02,475 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 34) no Hoare annotation was computed. [2018-11-28 12:46:02,475 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-28 12:46:02,475 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2018-11-28 12:46:02,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:46:02 BoogieIcfgContainer [2018-11-28 12:46:02,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:46:02,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:46:02,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:46:02,483 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:46:02,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:01" (3/4) ... [2018-11-28 12:46:02,486 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:46:02,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:46:02,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:46:02,494 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 12:46:02,494 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:46:02,495 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:46:02,526 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_06033023-9fed-478d-989b-317dd315fe45/bin-2019/uautomizer/witness.graphml [2018-11-28 12:46:02,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:46:02,527 INFO L168 Benchmark]: Toolchain (without parser) took 1106.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 958.7 MB in the beginning and 1.0 GB in the end (delta: -73.7 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:02,527 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:02,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.08 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:02,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.06 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:02,528 INFO L168 Benchmark]: Boogie Preprocessor took 13.84 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:02,528 INFO L168 Benchmark]: RCFGBuilder took 191.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:02,529 INFO L168 Benchmark]: TraceAbstraction took 681.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:02,529 INFO L168 Benchmark]: Witness Printer took 43.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:02,531 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.08 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.8 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 12.06 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.84 ms. Allocated memory is still 1.0 GB. Free memory is still 947.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 191.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 681.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.8 MB). Peak memory consumption was 72.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 0 <= x + 2147483648) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 30 locations, 8 error locations. SAFE Result, 0.6s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 137 SDtfs, 73 SDslu, 63 SDs, 0 SdLazy, 91 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=1, 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, 7 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 16 HoareAnnotationTreeSize, 5 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 1252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...