./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/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 fce4ad715fa5546a587c43eb09d1a8cb5dcde607 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:39:16,893 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:39:16,894 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:39:16,900 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:39:16,900 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:39:16,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:39:16,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:39:16,902 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:39:16,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:39:16,904 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:39:16,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:39:16,904 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:39:16,905 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:39:16,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:39:16,906 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:39:16,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:39:16,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:39:16,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:39:16,909 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:39:16,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:39:16,910 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:39:16,911 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:39:16,912 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:39:16,912 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:39:16,912 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:39:16,913 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:39:16,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:39:16,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:39:16,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:39:16,915 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:39:16,915 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:39:16,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:39:16,916 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:39:16,916 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:39:16,916 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:39:16,917 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:39:16,917 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-12-01 17:39:16,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:39:16,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:39:16,926 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:39:16,926 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 17:39:16,926 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:39:16,926 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:39:16,926 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:39:16,927 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:39:16,927 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 17:39:16,927 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:39:16,927 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:39:16,927 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:39:16,927 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:39:16,927 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:39:16,928 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 17:39:16,928 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:39:16,928 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:39:16,928 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:39:16,928 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:39:16,928 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:39:16,928 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:39:16,928 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 17:39:16,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:39:16,928 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:39:16,929 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:39:16,929 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:39:16,929 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 17:39:16,929 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:39:16,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:39:16,929 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_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/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 -> fce4ad715fa5546a587c43eb09d1a8cb5dcde607 [2018-12-01 17:39:16,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:39:16,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:39:16,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:39:16,961 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:39:16,962 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:39:16,962 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.c [2018-12-01 17:39:17,001 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/data/16af2ec6a/cb3a8c898a7e45419f2fc682a9934c0f/FLAG67744ae04 [2018-12-01 17:39:17,438 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:39:17,439 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.c [2018-12-01 17:39:17,442 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/data/16af2ec6a/cb3a8c898a7e45419f2fc682a9934c0f/FLAG67744ae04 [2018-12-01 17:39:17,450 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/data/16af2ec6a/cb3a8c898a7e45419f2fc682a9934c0f [2018-12-01 17:39:17,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:39:17,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:39:17,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:39:17,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:39:17,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:39:17,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17, skipping insertion in model container [2018-12-01 17:39:17,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:39:17,469 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:39:17,547 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:39:17,550 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:39:17,558 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:39:17,566 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:39:17,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17 WrapperNode [2018-12-01 17:39:17,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:39:17,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:39:17,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:39:17,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:39:17,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:39:17,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:39:17,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:39:17,578 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:39:17,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... [2018-12-01 17:39:17,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:39:17,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:39:17,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:39:17,590 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:39:17,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/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 [2018-12-01 17:39:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 17:39:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 17:39:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:39:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:39:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 17:39:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 17:39:17,748 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:39:17,748 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 17:39:17,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:39:17 BoogieIcfgContainer [2018-12-01 17:39:17,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:39:17,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 17:39:17,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 17:39:17,751 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 17:39:17,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 05:39:17" (1/3) ... [2018-12-01 17:39:17,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdab42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:39:17, skipping insertion in model container [2018-12-01 17:39:17,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:39:17" (2/3) ... [2018-12-01 17:39:17,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdab42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:39:17, skipping insertion in model container [2018-12-01 17:39:17,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:39:17" (3/3) ... [2018-12-01 17:39:17,753 INFO L112 eAbstractionObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex9_true-termination_true-no-overflow.c [2018-12-01 17:39:17,758 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 17:39:17,763 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-12-01 17:39:17,772 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-12-01 17:39:17,790 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:39:17,791 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 17:39:17,791 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 17:39:17,791 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 17:39:17,791 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:39:17,791 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:39:17,791 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 17:39:17,791 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:39:17,791 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 17:39:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-12-01 17:39:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 17:39:17,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:39:17,806 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:39:17,807 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:39:17,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:39:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1148438726, now seen corresponding path program 1 times [2018-12-01 17:39:17,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:39:17,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:39:17,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:39:17,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:39:17,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:39:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:17,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:39:17,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:39:17,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:39:17,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:39:17,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:39:17,904 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2018-12-01 17:39:17,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:39:17,930 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2018-12-01 17:39:17,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:39:17,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-01 17:39:17,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:39:17,936 INFO L225 Difference]: With dead ends: 26 [2018-12-01 17:39:17,937 INFO L226 Difference]: Without dead ends: 15 [2018-12-01 17:39:17,938 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 [2018-12-01 17:39:17,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-12-01 17:39:17,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-12-01 17:39:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-12-01 17:39:17,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-12-01 17:39:17,958 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 8 [2018-12-01 17:39:17,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:39:17,958 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-12-01 17:39:17,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:39:17,959 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-12-01 17:39:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 17:39:17,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:39:17,959 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:39:17,959 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:39:17,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:39:17,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1241862188, now seen corresponding path program 1 times [2018-12-01 17:39:17,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:39:17,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:39:17,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:39:17,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:39:17,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:39:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:17,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:17,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:39:17,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:39:17,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:39:17,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:39:17,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:39:17,976 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2018-12-01 17:39:17,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:39:17,996 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2018-12-01 17:39:17,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:39:17,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-01 17:39:17,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:39:17,996 INFO L225 Difference]: With dead ends: 16 [2018-12-01 17:39:17,996 INFO L226 Difference]: Without dead ends: 15 [2018-12-01 17:39:17,997 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 [2018-12-01 17:39:17,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-12-01 17:39:17,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2018-12-01 17:39:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-12-01 17:39:17,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2018-12-01 17:39:17,999 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 9 [2018-12-01 17:39:17,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:39:17,999 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-12-01 17:39:17,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:39:17,999 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-01 17:39:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 17:39:18,000 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:39:18,000 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:39:18,000 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:39:18,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:39:18,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1241868178, now seen corresponding path program 1 times [2018-12-01 17:39:18,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:39:18,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:39:18,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:39:18,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:39:18,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:39:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:18,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:39:18,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:39:18,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:39:18,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:39:18,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:39:18,019 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 3 states. [2018-12-01 17:39:18,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:39:18,031 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2018-12-01 17:39:18,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:39:18,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-01 17:39:18,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:39:18,031 INFO L225 Difference]: With dead ends: 14 [2018-12-01 17:39:18,031 INFO L226 Difference]: Without dead ends: 13 [2018-12-01 17:39:18,032 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 [2018-12-01 17:39:18,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-12-01 17:39:18,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-12-01 17:39:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-01 17:39:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2018-12-01 17:39:18,034 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 9 [2018-12-01 17:39:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:39:18,034 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2018-12-01 17:39:18,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:39:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-12-01 17:39:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 17:39:18,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:39:18,034 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:39:18,035 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-01 17:39:18,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:39:18,035 INFO L82 PathProgramCache]: Analyzing trace with hash -156792087, now seen corresponding path program 1 times [2018-12-01 17:39:18,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:39:18,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:39:18,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:39:18,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:39:18,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:39:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:39:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:39:18,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:39:18,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:39:18,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:39:18,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:39:18,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:39:18,049 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2018-12-01 17:39:18,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:39:18,059 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2018-12-01 17:39:18,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:39:18,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-01 17:39:18,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:39:18,059 INFO L225 Difference]: With dead ends: 14 [2018-12-01 17:39:18,059 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 17:39:18,060 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 [2018-12-01 17:39:18,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 17:39:18,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 17:39:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 17:39:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 17:39:18,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-12-01 17:39:18,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:39:18,060 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:39:18,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:39:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 17:39:18,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:39:18,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 17:39:18,078 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-01 17:39:18,078 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:39:18,078 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:39:18,078 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-01 17:39:18,078 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 17:39:18,078 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:39:18,078 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 27) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L444 ceAbstractionStarter]: At program point L21-2(lines 17 25) the Hoare annotation is: (and (<= main_~p~0 2147483647) (<= main_~q~0 2147483647)) [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 17 25) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 27) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 27) the Hoare annotation is: true [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-12-01 17:39:18,079 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. [2018-12-01 17:39:18,080 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-12-01 17:39:18,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 05:39:18 BoogieIcfgContainer [2018-12-01 17:39:18,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 17:39:18,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:39:18,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:39:18,087 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:39:18,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:39:17" (3/4) ... [2018-12-01 17:39:18,089 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:39:18,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 17:39:18,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 17:39:18,095 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 17:39:18,096 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 17:39:18,096 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:39:18,119 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d9e9e95-4164-4536-8d5b-e681c0a0e24a/bin-2019/uautomizer/witness.graphml [2018-12-01 17:39:18,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:39:18,119 INFO L168 Benchmark]: Toolchain (without parser) took 668.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.7 MB). Free memory was 962.4 MB in the beginning and 994.2 MB in the end (delta: -31.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:39:18,120 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:39:18,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 113.96 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:39:18,121 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.56 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:39:18,121 INFO L168 Benchmark]: Boogie Preprocessor took 11.31 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:39:18,121 INFO L168 Benchmark]: RCFGBuilder took 158.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.7 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -96.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:39:18,121 INFO L168 Benchmark]: TraceAbstraction took 338.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:39:18,122 INFO L168 Benchmark]: Witness Printer took 32.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-01 17:39:18,123 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 113.96 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.56 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.31 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 158.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 69.7 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -96.7 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 338.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * Witness Printer took 32.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 994.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: p <= 2147483647 && q <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 4 error locations. SAFE Result, 0.2s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 38 SDtfs, 29 SDslu, 18 SDs, 0 SdLazy, 35 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...