./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/trex03_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/trex03_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b8fb82fd886dd019eb017cf0c82ba4eddc31046 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:01:46,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:01:46,646 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:01:46,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:01:46,656 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:01:46,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:01:46,658 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:01:46,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:01:46,661 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:01:46,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:01:46,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:01:46,662 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:01:46,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:01:46,664 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:01:46,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:01:46,665 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:01:46,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:01:46,667 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:01:46,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:01:46,669 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:01:46,670 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:01:46,671 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:01:46,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:01:46,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:01:46,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:01:46,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:01:46,674 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:01:46,675 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:01:46,675 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:01:46,676 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:01:46,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:01:46,677 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:01:46,677 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:01:46,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:01:46,678 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:01:46,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:01:46,679 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 00:01:46,686 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:01:46,687 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:01:46,687 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:01:46,688 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:01:46,688 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:01:46,688 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:01:46,688 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:01:46,689 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:01:46,689 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:01:46,689 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:01:46,689 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:01:46,689 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:01:46,689 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:01:46,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:01:46,690 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:01:46,690 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:01:46,690 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:01:46,690 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:01:46,690 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:01:46,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:01:46,691 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:01:46,691 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:01:46,691 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:01:46,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:01:46,691 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:01:46,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:01:46,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:01:46,692 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:01:46,692 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:01:46,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:01:46,692 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_a3fa42ba-2fb5-45c7-8478-09948004cca1/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b8fb82fd886dd019eb017cf0c82ba4eddc31046 [2018-11-23 00:01:46,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:01:46,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:01:46,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:01:46,732 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:01:46,732 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:01:46,733 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/../../sv-benchmarks/c/loops/trex03_true-unreach-call_true-termination.i [2018-11-23 00:01:46,783 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/data/a5c9e22a8/7f1d2a549f2e4308826f9aa1525b8609/FLAGe62b01aab [2018-11-23 00:01:47,131 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:01:47,131 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/sv-benchmarks/c/loops/trex03_true-unreach-call_true-termination.i [2018-11-23 00:01:47,135 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/data/a5c9e22a8/7f1d2a549f2e4308826f9aa1525b8609/FLAGe62b01aab [2018-11-23 00:01:47,559 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/data/a5c9e22a8/7f1d2a549f2e4308826f9aa1525b8609 [2018-11-23 00:01:47,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:01:47,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:01:47,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:01:47,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:01:47,567 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:01:47,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e223a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47, skipping insertion in model container [2018-11-23 00:01:47,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:01:47,593 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:01:47,724 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:01:47,727 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:01:47,739 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:01:47,748 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:01:47,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47 WrapperNode [2018-11-23 00:01:47,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:01:47,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:01:47,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:01:47,750 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:01:47,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:01:47,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:01:47,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:01:47,764 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:01:47,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... [2018-11-23 00:01:47,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:01:47,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:01:47,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:01:47,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:01:47,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/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 [2018-11-23 00:01:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:01:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:01:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:01:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:01:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:01:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:01:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 00:01:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 00:01:47,995 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:01:48,001 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:01:48,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:01:48 BoogieIcfgContainer [2018-11-23 00:01:48,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:01:48,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:01:48,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:01:48,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:01:48,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:01:47" (1/3) ... [2018-11-23 00:01:48,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641a4221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:01:48, skipping insertion in model container [2018-11-23 00:01:48,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:01:47" (2/3) ... [2018-11-23 00:01:48,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641a4221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:01:48, skipping insertion in model container [2018-11-23 00:01:48,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:01:48" (3/3) ... [2018-11-23 00:01:48,008 INFO L112 eAbstractionObserver]: Analyzing ICFG trex03_true-unreach-call_true-termination.i [2018-11-23 00:01:48,014 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:01:48,020 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:01:48,031 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:01:48,059 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:01:48,059 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:01:48,060 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:01:48,060 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:01:48,060 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:01:48,060 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:01:48,060 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:01:48,060 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:01:48,061 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:01:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-23 00:01:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:01:48,084 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:01:48,085 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:01:48,086 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:01:48,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:48,091 INFO L82 PathProgramCache]: Analyzing trace with hash -859010367, now seen corresponding path program 1 times [2018-11-23 00:01:48,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:01:48,092 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:01:48,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:48,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:01:48,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:01:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:01:48,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:01:48,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:01:48,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:01:48,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:01:48,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:01:48,186 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2018-11-23 00:01:48,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:01:48,201 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2018-11-23 00:01:48,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:01:48,203 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-23 00:01:48,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:01:48,211 INFO L225 Difference]: With dead ends: 33 [2018-11-23 00:01:48,211 INFO L226 Difference]: Without dead ends: 14 [2018-11-23 00:01:48,214 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:01:48,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-23 00:01:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-23 00:01:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 00:01:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2018-11-23 00:01:48,243 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 10 [2018-11-23 00:01:48,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:01:48,243 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2018-11-23 00:01:48,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:01:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-23 00:01:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:01:48,244 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:01:48,244 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:01:48,244 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:01:48,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:01:48,244 INFO L82 PathProgramCache]: Analyzing trace with hash -873786703, now seen corresponding path program 1 times [2018-11-23 00:01:48,244 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:01:48,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:01:48,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:48,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:01:48,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:01:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:01:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:01:48,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:01:48,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 00:01:48,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 00:01:48,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:01:48,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:01:48,353 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 5 states. [2018-11-23 00:01:48,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:01:48,421 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2018-11-23 00:01:48,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 00:01:48,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 00:01:48,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:01:48,422 INFO L225 Difference]: With dead ends: 14 [2018-11-23 00:01:48,422 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:01:48,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:01:48,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:01:48,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:01:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:01:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:01:48,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 00:01:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:01:48,424 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:01:48,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 00:01:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:01:48,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:01:48,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:01:48,449 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 00:01:48,449 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:01:48,450 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:01:48,450 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 00:01:48,450 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:01:48,450 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:01:48,450 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 10 25) no Hoare annotation was computed. [2018-11-23 00:01:48,450 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-23 00:01:48,450 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 19) no Hoare annotation was computed. [2018-11-23 00:01:48,450 INFO L451 ceAbstractionStarter]: At program point L15-2(lines 15 22) the Hoare annotation is: true [2018-11-23 00:01:48,450 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 10 25) no Hoare annotation was computed. [2018-11-23 00:01:48,452 INFO L444 ceAbstractionStarter]: At program point L15-3(lines 15 22) the Hoare annotation is: (or (= main_~x2~0 (* 4294967296 (div main_~x2~0 4294967296))) (= main_~x3~0 (* 4294967296 (div main_~x3~0 4294967296))) (= main_~x1~0 (* 4294967296 (div main_~x1~0 4294967296)))) [2018-11-23 00:01:48,453 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 10 25) the Hoare annotation is: true [2018-11-23 00:01:48,453 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 19) no Hoare annotation was computed. [2018-11-23 00:01:48,453 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 17 19) no Hoare annotation was computed. [2018-11-23 00:01:48,453 INFO L448 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-11-23 00:01:48,453 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-11-23 00:01:48,453 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-11-23 00:01:48,453 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-11-23 00:01:48,453 INFO L448 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-11-23 00:01:48,454 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-11-23 00:01:48,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:01:48 BoogieIcfgContainer [2018-11-23 00:01:48,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:01:48,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:01:48,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:01:48,459 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:01:48,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:01:48" (3/4) ... [2018-11-23 00:01:48,462 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:01:48,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:01:48,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:01:48,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 00:01:48,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 00:01:48,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 00:01:48,471 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:01:48,509 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3fa42ba-2fb5-45c7-8478-09948004cca1/bin-2019/uautomizer/witness.graphml [2018-11-23 00:01:48,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:01:48,510 INFO L168 Benchmark]: Toolchain (without parser) took 947.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 960.9 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:48,511 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:01:48,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:48,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.58 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:48,512 INFO L168 Benchmark]: Boogie Preprocessor took 16.07 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:01:48,513 INFO L168 Benchmark]: RCFGBuilder took 221.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:48,513 INFO L168 Benchmark]: TraceAbstraction took 455.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:01:48,514 INFO L168 Benchmark]: Witness Printer took 50.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:01:48,516 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.9 MB in the beginning and 950.1 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 14.58 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.07 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 221.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -202.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 455.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Witness Printer took 50.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 36 SDtfs, 1 SDslu, 32 SDs, 0 SdLazy, 7 SolverSat, 0 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 28 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...