./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/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 7e9d7ee8b64b2fe79b2fb3806ae1ecb1089e2e41 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:43:00,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:43:00,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:43:00,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:43:00,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:43:00,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:43:00,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:43:00,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:43:00,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:43:00,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:43:00,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:43:00,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:43:00,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:43:00,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:43:00,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:43:00,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:43:00,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:43:00,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:43:00,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:43:00,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:43:00,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:43:00,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:43:00,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:43:00,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:43:00,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:43:00,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:43:00,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:43:00,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:43:00,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:43:00,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:43:00,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:43:00,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:43:00,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:43:00,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:43:00,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:43:00,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:43:00,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:43:00,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:43:00,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:43:00,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:43:00,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:43:00,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-20 02:43:00,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:43:00,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:43:00,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:43:00,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:43:00,765 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:43:00,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:43:00,766 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:43:00,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:43:00,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:43:00,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:43:00,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:43:00,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:43:00,767 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 02:43:00,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:43:00,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:43:00,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:43:00,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:43:00,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:43:00,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:43:00,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 02:43:00,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 02:43:00,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:43:00,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:43:00,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:43:00,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:43:00,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:43:00,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:43:00,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/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 -> 7e9d7ee8b64b2fe79b2fb3806ae1ecb1089e2e41 [2019-11-20 02:43:00,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:43:00,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:43:00,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:43:00,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:43:00,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:43:00,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2019-11-20 02:43:01,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/data/9a86a4575/2c7c159dabcc42a0bab7067e57173264/FLAG13867230a [2019-11-20 02:43:01,412 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:43:01,412 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2019-11-20 02:43:01,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/data/9a86a4575/2c7c159dabcc42a0bab7067e57173264/FLAG13867230a [2019-11-20 02:43:01,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/data/9a86a4575/2c7c159dabcc42a0bab7067e57173264 [2019-11-20 02:43:01,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:43:01,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:43:01,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:43:01,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:43:01,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:43:01,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:43:01" (1/1) ... [2019-11-20 02:43:01,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b52e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:01, skipping insertion in model container [2019-11-20 02:43:01,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:43:01" (1/1) ... [2019-11-20 02:43:01,897 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:43:01,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:43:02,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:43:02,141 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:43:02,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:43:02,246 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:43:02,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02 WrapperNode [2019-11-20 02:43:02,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:43:02,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:43:02,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:43:02,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:43:02,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:43:02,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:43:02,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:43:02,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:43:02,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... [2019-11-20 02:43:02,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:43:02,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:43:02,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:43:02,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:43:02,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/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 [2019-11-20 02:43:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:43:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:43:02,553 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:43:02,554 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 02:43:02,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:43:02 BoogieIcfgContainer [2019-11-20 02:43:02,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:43:02,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 02:43:02,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 02:43:02,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 02:43:02,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:43:01" (1/3) ... [2019-11-20 02:43:02,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e465a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:43:02, skipping insertion in model container [2019-11-20 02:43:02,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:43:02" (2/3) ... [2019-11-20 02:43:02,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e465a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:43:02, skipping insertion in model container [2019-11-20 02:43:02,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:43:02" (3/3) ... [2019-11-20 02:43:02,564 INFO L109 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig1.c [2019-11-20 02:43:02,574 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 02:43:02,581 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-20 02:43:02,593 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-20 02:43:02,632 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 02:43:02,632 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 02:43:02,632 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 02:43:02,633 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:43:02,633 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:43:02,633 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 02:43:02,633 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:43:02,633 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 02:43:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-20 02:43:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 02:43:02,666 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:43:02,667 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 02:43:02,668 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 02:43:02,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:43:02,673 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-11-20 02:43:02,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:43:02,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824023388] [2019-11-20 02:43:02,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:43:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:02,856 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824023388] [2019-11-20 02:43:02,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:43:02,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 02:43:02,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949017388] [2019-11-20 02:43:02,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:43:02,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:43:02,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:43:02,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:43:02,876 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-11-20 02:43:02,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:43:02,906 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-11-20 02:43:02,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:43:02,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-20 02:43:02,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:43:02,915 INFO L225 Difference]: With dead ends: 19 [2019-11-20 02:43:02,916 INFO L226 Difference]: Without dead ends: 10 [2019-11-20 02:43:02,918 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:43:02,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-20 02:43:02,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-20 02:43:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 02:43:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-20 02:43:02,947 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2019-11-20 02:43:02,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:43:02,948 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-20 02:43:02,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:43:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-20 02:43:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 02:43:02,949 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:43:02,949 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 02:43:02,949 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 02:43:02,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:43:02,950 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-11-20 02:43:02,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:43:02,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726301738] [2019-11-20 02:43:02,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:43:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:02,982 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726301738] [2019-11-20 02:43:02,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:43:02,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-20 02:43:02,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773480022] [2019-11-20 02:43:02,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:43:02,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:43:02,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:43:02,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:43:02,986 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-11-20 02:43:03,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:43:03,007 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-11-20 02:43:03,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:43:03,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-20 02:43:03,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:43:03,009 INFO L225 Difference]: With dead ends: 10 [2019-11-20 02:43:03,009 INFO L226 Difference]: Without dead ends: 9 [2019-11-20 02:43:03,009 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:43:03,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-20 02:43:03,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-20 02:43:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 02:43:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-11-20 02:43:03,012 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2019-11-20 02:43:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:43:03,012 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-20 02:43:03,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:43:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-20 02:43:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:43:03,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:43:03,013 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 02:43:03,013 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 02:43:03,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:43:03,014 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-11-20 02:43:03,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:43:03,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167696450] [2019-11-20 02:43:03,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:43:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:03,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167696450] [2019-11-20 02:43:03,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:43:03,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:43:03,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135881225] [2019-11-20 02:43:03,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:43:03,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:43:03,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:43:03,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:43:03,039 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2019-11-20 02:43:03,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:43:03,057 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-11-20 02:43:03,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:43:03,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 02:43:03,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:43:03,058 INFO L225 Difference]: With dead ends: 10 [2019-11-20 02:43:03,058 INFO L226 Difference]: Without dead ends: 9 [2019-11-20 02:43:03,059 INFO L630 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 [2019-11-20 02:43:03,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-20 02:43:03,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-11-20 02:43:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 02:43:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-11-20 02:43:03,061 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2019-11-20 02:43:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:43:03,061 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-11-20 02:43:03,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:43:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-20 02:43:03,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 02:43:03,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 02:43:03,062 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 02:43:03,063 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 02:43:03,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:43:03,063 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-11-20 02:43:03,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 02:43:03,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286942172] [2019-11-20 02:43:03,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 02:43:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:43:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:43:03,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286942172] [2019-11-20 02:43:03,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 02:43:03,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 02:43:03,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41368394] [2019-11-20 02:43:03,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 02:43:03,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 02:43:03,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 02:43:03,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 02:43:03,093 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2019-11-20 02:43:03,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 02:43:03,118 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-11-20 02:43:03,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 02:43:03,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 02:43:03,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 02:43:03,120 INFO L225 Difference]: With dead ends: 8 [2019-11-20 02:43:03,120 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 02:43:03,121 INFO L630 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 [2019-11-20 02:43:03,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 02:43:03,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 02:43:03,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 02:43:03,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 02:43:03,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-20 02:43:03,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 02:43:03,122 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 02:43:03,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 02:43:03,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 02:43:03,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:43:03,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 02:43:03,153 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-11-20 02:43:03,153 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 02:43:03,153 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-20 02:43:03,153 INFO L444 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-11-20 02:43:03,153 INFO L444 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-20 02:43:03,153 INFO L444 ceAbstractionStarter]: For program point L19(lines 19 24) no Hoare annotation was computed. [2019-11-20 02:43:03,154 INFO L440 ceAbstractionStarter]: At program point L19-2(lines 18 25) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2019-11-20 02:43:03,154 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-11-20 02:43:03,154 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-20 02:43:03,155 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 02:43:03,155 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 02:43:03,155 INFO L440 ceAbstractionStarter]: At program point L26(lines 14 27) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2019-11-20 02:43:03,155 INFO L444 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-11-20 02:43:03,155 INFO L444 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-11-20 02:43:03,155 INFO L444 ceAbstractionStarter]: For program point L18-2(lines 18 25) no Hoare annotation was computed. [2019-11-20 02:43:03,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 02:43:03 BoogieIcfgContainer [2019-11-20 02:43:03,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 02:43:03,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:43:03,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:43:03,181 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:43:03,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:43:02" (3/4) ... [2019-11-20 02:43:03,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:43:03,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 02:43:03,203 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:43:03,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_514ceb9e-ca6f-43fd-afea-b5e06f59df93/bin/uautomizer/witness.graphml [2019-11-20 02:43:03,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:43:03,261 INFO L168 Benchmark]: Toolchain (without parser) took 1376.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -115.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:03,261 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:43:03,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:03,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.91 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. [2019-11-20 02:43:03,263 INFO L168 Benchmark]: Boogie Preprocessor took 19.74 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. [2019-11-20 02:43:03,264 INFO L168 Benchmark]: RCFGBuilder took 247.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:03,265 INFO L168 Benchmark]: TraceAbstraction took 623.63 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:43:03,265 INFO L168 Benchmark]: Witness Printer took 78.09 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. [2019-11-20 02:43:03,269 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.91 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. * Boogie Preprocessor took 19.74 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. * RCFGBuilder took 247.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 623.63 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: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Witness Printer took 78.09 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: y <= 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 20 SDslu, 2 SDs, 0 SdLazy, 19 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...