./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/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 3428809e66c8ffa9373e37ec3d02a46642c7f8bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:36:52,589 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:36:52,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:36:52,597 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:36:52,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:36:52,598 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:36:52,599 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:36:52,600 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:36:52,601 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:36:52,602 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:36:52,602 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:36:52,602 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:36:52,603 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:36:52,604 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:36:52,604 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:36:52,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:36:52,605 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:36:52,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:36:52,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:36:52,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:36:52,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:36:52,610 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:36:52,612 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:36:52,612 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:36:52,612 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:36:52,613 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:36:52,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:36:52,614 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:36:52,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:36:52,615 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:36:52,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:36:52,616 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:36:52,616 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:36:52,616 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:36:52,617 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:36:52,617 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:36:52,618 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 10:36:52,625 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:36:52,625 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:36:52,626 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:36:52,626 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:36:52,626 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:36:52,626 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:36:52,626 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 10:36:52,626 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:36:52,627 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:36:52,627 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:36:52,627 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:36:52,627 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:36:52,627 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:36:52,627 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:36:52,627 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 10:36:52,627 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:36:52,628 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:36:52,628 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:36:52,628 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:36:52,628 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:36:52,628 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:36:52,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:36:52,628 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:36:52,628 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:36:52,628 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:36:52,629 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 10:36:52,629 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:36:52,629 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:36:52,629 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_1eccd363-b0d4-48c3-9172-7077da9ee104/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 -> 3428809e66c8ffa9373e37ec3d02a46642c7f8bc [2018-11-10 10:36:52,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:36:52,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:36:52,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:36:52,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:36:52,666 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:36:52,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-11-10 10:36:52,713 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/data/7a29eb18a/35d8bfbd084f459183957fb62fb2d35a/FLAG4f7206a8b [2018-11-10 10:36:53,115 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:36:53,116 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-11-10 10:36:53,120 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/data/7a29eb18a/35d8bfbd084f459183957fb62fb2d35a/FLAG4f7206a8b [2018-11-10 10:36:53,131 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/data/7a29eb18a/35d8bfbd084f459183957fb62fb2d35a [2018-11-10 10:36:53,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:36:53,135 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 10:36:53,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:36:53,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:36:53,137 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:36:53,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2475c010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53, skipping insertion in model container [2018-11-10 10:36:53,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:36:53,159 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:36:53,265 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:36:53,268 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:36:53,279 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:36:53,292 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:36:53,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53 WrapperNode [2018-11-10 10:36:53,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:36:53,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:36:53,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:36:53,293 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:36:53,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (1/1) ... [2018-11-10 10:36:53,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:36:53,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:36:53,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:36:53,319 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:36:53,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:36:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:36:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:36:53,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:36:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 10:36:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:36:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:36:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 10:36:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 10:36:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 10:36:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:36:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:36:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 10:36:53,578 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:36:53,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:53 BoogieIcfgContainer [2018-11-10 10:36:53,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:36:53,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:36:53,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:36:53,582 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:36:53,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:36:53" (1/3) ... [2018-11-10 10:36:53,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0b8b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:36:53, skipping insertion in model container [2018-11-10 10:36:53,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:36:53" (2/3) ... [2018-11-10 10:36:53,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0b8b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:36:53, skipping insertion in model container [2018-11-10 10:36:53,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:53" (3/3) ... [2018-11-10 10:36:53,585 INFO L112 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-11-10 10:36:53,593 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:36:53,599 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-10 10:36:53,612 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-10 10:36:53,638 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:36:53,638 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:36:53,638 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:36:53,638 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:36:53,639 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:36:53,639 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:36:53,639 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:36:53,639 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:36:53,639 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:36:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-11-10 10:36:53,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 10:36:53,658 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:53,658 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:53,660 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 10:36:53,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:53,665 INFO L82 PathProgramCache]: Analyzing trace with hash -4842546, now seen corresponding path program 1 times [2018-11-10 10:36:53,666 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:36:53,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:36:53,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:53,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:53,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:53,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:36:53,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:36:53,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:36:53,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:36:53,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:36:53,814 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 4 states. [2018-11-10 10:36:53,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:36:53,873 INFO L93 Difference]: Finished difference Result 88 states and 100 transitions. [2018-11-10 10:36:53,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:36:53,874 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-10 10:36:53,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:36:53,880 INFO L225 Difference]: With dead ends: 88 [2018-11-10 10:36:53,880 INFO L226 Difference]: Without dead ends: 53 [2018-11-10 10:36:53,882 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 10:36:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-10 10:36:53,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 39. [2018-11-10 10:36:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 10:36:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-11-10 10:36:53,906 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 15 [2018-11-10 10:36:53,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:36:53,906 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-11-10 10:36:53,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:36:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-11-10 10:36:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 10:36:53,907 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:53,907 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:53,907 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 10:36:53,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:53,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1805321744, now seen corresponding path program 1 times [2018-11-10 10:36:53,908 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:36:53,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:36:53,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:53,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:53,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:53,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:36:53,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 10:36:53,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 10:36:53,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 10:36:53,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:36:53,952 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 4 states. [2018-11-10 10:36:53,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:36:53,984 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-11-10 10:36:53,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 10:36:53,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-11-10 10:36:53,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:36:53,985 INFO L225 Difference]: With dead ends: 53 [2018-11-10 10:36:53,985 INFO L226 Difference]: Without dead ends: 39 [2018-11-10 10:36:53,986 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 10:36:53,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-10 10:36:53,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-11-10 10:36:53,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 10:36:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-11-10 10:36:53,989 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 17 [2018-11-10 10:36:53,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:36:53,989 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-11-10 10:36:53,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 10:36:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-11-10 10:36:53,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 10:36:53,990 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:53,990 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:53,990 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 10:36:53,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:53,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1438404300, now seen corresponding path program 1 times [2018-11-10 10:36:53,991 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:36:53,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:36:53,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:53,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:53,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:54,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:36:54,055 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 10:36:54,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:54,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:36:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:54,123 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 10:36:54,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-10 10:36:54,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 10:36:54,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 10:36:54,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 10:36:54,124 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 8 states. [2018-11-10 10:36:54,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:36:54,190 INFO L93 Difference]: Finished difference Result 62 states and 64 transitions. [2018-11-10 10:36:54,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:36:54,190 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-11-10 10:36:54,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:36:54,191 INFO L225 Difference]: With dead ends: 62 [2018-11-10 10:36:54,191 INFO L226 Difference]: Without dead ends: 61 [2018-11-10 10:36:54,191 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-11-10 10:36:54,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-10 10:36:54,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2018-11-10 10:36:54,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-10 10:36:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-11-10 10:36:54,195 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 22 [2018-11-10 10:36:54,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:36:54,195 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-11-10 10:36:54,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 10:36:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-11-10 10:36:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 10:36:54,196 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:54,196 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:54,196 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 10:36:54,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:54,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1640860282, now seen corresponding path program 1 times [2018-11-10 10:36:54,197 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:36:54,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:36:54,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:54,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:54,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:36:54,278 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 10:36:54,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:54,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:36:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:54,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:36:54,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2018-11-10 10:36:54,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 10:36:54,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 10:36:54,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-10 10:36:54,342 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 8 states. [2018-11-10 10:36:54,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:36:54,373 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-11-10 10:36:54,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 10:36:54,373 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-11-10 10:36:54,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:36:54,374 INFO L225 Difference]: With dead ends: 45 [2018-11-10 10:36:54,374 INFO L226 Difference]: Without dead ends: 44 [2018-11-10 10:36:54,374 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:36:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-10 10:36:54,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-10 10:36:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-10 10:36:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-11-10 10:36:54,378 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 23 [2018-11-10 10:36:54,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:36:54,379 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-11-10 10:36:54,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 10:36:54,379 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-11-10 10:36:54,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 10:36:54,379 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:54,380 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:54,380 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 10:36:54,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:54,380 INFO L82 PathProgramCache]: Analyzing trace with hash -773665322, now seen corresponding path program 1 times [2018-11-10 10:36:54,380 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:36:54,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:36:54,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:54,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:36:54,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:36:54,443 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 10:36:54,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:54,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:36:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:36:54,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:36:54,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2018-11-10 10:36:54,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 10:36:54,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 10:36:54,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-10 10:36:54,521 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 9 states. [2018-11-10 10:36:54,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:36:54,649 INFO L93 Difference]: Finished difference Result 73 states and 76 transitions. [2018-11-10 10:36:54,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 10:36:54,649 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-11-10 10:36:54,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:36:54,650 INFO L225 Difference]: With dead ends: 73 [2018-11-10 10:36:54,650 INFO L226 Difference]: Without dead ends: 72 [2018-11-10 10:36:54,650 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-11-10 10:36:54,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-11-10 10:36:54,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2018-11-10 10:36:54,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-10 10:36:54,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2018-11-10 10:36:54,657 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 24 [2018-11-10 10:36:54,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:36:54,657 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2018-11-10 10:36:54,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 10:36:54,657 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2018-11-10 10:36:54,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 10:36:54,658 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:54,658 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:54,658 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 10:36:54,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:54,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1786178876, now seen corresponding path program 1 times [2018-11-10 10:36:54,659 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:36:54,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:36:54,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:54,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:36:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:36:54,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:36:54,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:36:54,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:36:54,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:36:54,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:36:54,687 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 3 states. [2018-11-10 10:36:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:36:54,719 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2018-11-10 10:36:54,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:36:54,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-10 10:36:54,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:36:54,721 INFO L225 Difference]: With dead ends: 75 [2018-11-10 10:36:54,721 INFO L226 Difference]: Without dead ends: 74 [2018-11-10 10:36:54,721 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:36:54,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-10 10:36:54,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 66. [2018-11-10 10:36:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-10 10:36:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2018-11-10 10:36:54,728 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 25 [2018-11-10 10:36:54,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:36:54,728 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2018-11-10 10:36:54,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:36:54,729 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2018-11-10 10:36:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 10:36:54,729 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:36:54,729 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:36:54,730 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 10:36:54,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:36:54,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1469015906, now seen corresponding path program 1 times [2018-11-10 10:36:54,730 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 10:36:54,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 10:36:54,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:36:54,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:36:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:36:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:36:54,767 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:36:54,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:36:54 BoogieIcfgContainer [2018-11-10 10:36:54,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:36:54,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:36:54,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:36:54,790 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:36:54,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:36:53" (3/4) ... [2018-11-10 10:36:54,793 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 10:36:54,827 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1eccd363-b0d4-48c3-9172-7077da9ee104/bin-2019/uautomizer/witness.graphml [2018-11-10 10:36:54,827 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:36:54,828 INFO L168 Benchmark]: Toolchain (without parser) took 1693.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 955.8 MB in the beginning and 983.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 134.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:54,829 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:36:54,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.27 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:54,829 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:54,830 INFO L168 Benchmark]: RCFGBuilder took 260.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -202.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:54,830 INFO L168 Benchmark]: TraceAbstraction took 1210.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.6 MB in the end (delta: 158.7 MB). Peak memory consumption was 158.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:36:54,831 INFO L168 Benchmark]: Witness Printer took 37.34 ms. Allocated memory is still 1.2 GB. Free memory is still 983.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:36:54,833 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.27 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 939.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 260.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -202.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1210.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.6 MB in the end (delta: 158.7 MB). Peak memory consumption was 158.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.34 ms. Allocated memory is still 1.2 GB. Free memory is still 983.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) VAL [a_length=1] [L16] FCALL int a[a_length]; VAL [a={2147483649:0}, a_length=1] [L17] int j = 0; VAL [a={2147483649:0}, a_length=1, j=0] [L17] COND TRUE j < a_length [L18] FCALL a[j] = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=2147483647, a={2147483649:0}, a_length=1, j=0] [L17] j++ VAL [a={2147483649:0}, a_length=1, j=1] [L17] COND FALSE !(j < a_length) VAL [a={2147483649:0}, a_length=1, j=1] [L20] int offset = 1; [L21] int i = 0; VAL [a={2147483649:0}, a_length=1, i=0, j=1, offset=1] [L22] COND TRUE i < a_length VAL [a={2147483649:0}, a_length=1, i=0, j=1, offset=1] [L23] EXPR, FCALL a[i] VAL [a={2147483649:0}, a[i]=2147483647, a_length=1, i=0, j=1, offset=1] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset VAL [a={2147483649:0}, a_length=1, i=0, j=1, offset=1] [L26] EXPR, FCALL a[i] VAL [a={2147483649:0}, a[i]=2147483647, a_length=1, i=0, j=1, offset=1] [L26] i + offset + a[i] VAL [a={2147483649:0}, a[i]=2147483647, a_length=1, i=0, j=1, offset=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 39 locations, 6 error locations. UNSAFE Result, 1.1s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 157 SDtfs, 198 SDslu, 375 SDs, 0 SdLazy, 251 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=6, 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, 6 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 9388 SizeOfPredicates, 4 NumberOfNonLiveVariables, 190 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 11/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...