./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-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_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/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 7b343e81ff326e338cc375967a013ceca0a078e1 ................................................................................................................................................................................................................................................................................................................................ 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 12:15:21,774 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:15:21,775 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:15:21,784 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:15:21,784 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:15:21,785 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:15:21,786 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:15:21,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:15:21,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:15:21,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:15:21,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:15:21,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:15:21,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:15:21,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:15:21,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:15:21,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:15:21,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:15:21,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:15:21,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:15:21,796 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:15:21,797 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:15:21,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:15:21,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:15:21,800 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:15:21,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:15:21,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:15:21,801 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:15:21,802 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:15:21,803 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:15:21,803 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:15:21,804 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:15:21,804 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:15:21,804 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:15:21,804 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:15:21,805 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:15:21,805 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:15:21,806 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:15:21,815 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:15:21,815 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:15:21,815 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:15:21,816 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:15:21,816 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:15:21,816 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:15:21,816 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:15:21,817 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:15:21,817 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:15:21,817 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:15:21,817 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:15:21,817 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:15:21,817 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:15:21,817 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:15:21,818 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:15:21,818 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:15:21,818 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:15:21,818 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:15:21,818 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:15:21,818 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:15:21,818 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:15:21,819 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:15:21,819 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:15:21,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:15:21,819 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:15:21,819 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:15:21,819 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:15:21,820 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:15:21,820 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:15:21,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:15:21,820 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_3d2f590d-c9a0-48df-9eba-902564877f65/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 -> 7b343e81ff326e338cc375967a013ceca0a078e1 [2018-11-23 12:15:21,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:15:21,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:15:21,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:15:21,852 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:15:21,852 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:15:21,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-23 12:15:21,888 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/data/75ae93fea/fad2afc150dd4ad69248c299666251f4/FLAG6961d927f [2018-11-23 12:15:22,284 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:15:22,285 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/sv-benchmarks/c/bitvector/jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-23 12:15:22,289 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/data/75ae93fea/fad2afc150dd4ad69248c299666251f4/FLAG6961d927f [2018-11-23 12:15:22,299 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/data/75ae93fea/fad2afc150dd4ad69248c299666251f4 [2018-11-23 12:15:22,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:15:22,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:15:22,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:15:22,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:15:22,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:15:22,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc0002c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22, skipping insertion in model container [2018-11-23 12:15:22,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:15:22,326 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:15:22,430 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:15:22,432 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:15:22,440 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:15:22,449 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:15:22,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22 WrapperNode [2018-11-23 12:15:22,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:15:22,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:15:22,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:15:22,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:15:22,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:15:22,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:15:22,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:15:22,462 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:15:22,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... [2018-11-23 12:15:22,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:15:22,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:15:22,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:15:22,475 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:15:22,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/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 12:15:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:15:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:15:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:15:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:15:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:15:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:15:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 12:15:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 12:15:22,673 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:15:22,673 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:15:22,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:15:22 BoogieIcfgContainer [2018-11-23 12:15:22,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:15:22,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:15:22,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:15:22,677 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:15:22,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:15:22" (1/3) ... [2018-11-23 12:15:22,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c53727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:15:22, skipping insertion in model container [2018-11-23 12:15:22,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:15:22" (2/3) ... [2018-11-23 12:15:22,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c53727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:15:22, skipping insertion in model container [2018-11-23 12:15:22,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:15:22" (3/3) ... [2018-11-23 12:15:22,680 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_4_true-unreach-call_true-no-overflow_false-termination.i [2018-11-23 12:15:22,690 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:15:22,697 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:15:22,712 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:15:22,741 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:15:22,742 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:15:22,742 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:15:22,742 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:15:22,742 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:15:22,742 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:15:22,743 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:15:22,743 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:15:22,743 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:15:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 12:15:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 12:15:22,761 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:15:22,762 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:15:22,764 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:15:22,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:15:22,768 INFO L82 PathProgramCache]: Analyzing trace with hash -13144129, now seen corresponding path program 1 times [2018-11-23 12:15:22,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:15:22,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:15:22,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:15:22,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:15:22,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:15:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:15:22,973 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 12:15:22,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:15:22,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:15:22,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:15:22,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:15:22,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:15:22,987 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2018-11-23 12:15:23,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:15:23,067 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2018-11-23 12:15:23,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:15:23,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-11-23 12:15:23,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:15:23,073 INFO L225 Difference]: With dead ends: 33 [2018-11-23 12:15:23,073 INFO L226 Difference]: Without dead ends: 20 [2018-11-23 12:15:23,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:15:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-23 12:15:23,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2018-11-23 12:15:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-23 12:15:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-11-23 12:15:23,098 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10 [2018-11-23 12:15:23,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:15:23,098 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-11-23 12:15:23,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:15:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-11-23 12:15:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 12:15:23,099 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:15:23,099 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:15:23,099 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:15:23,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:15:23,100 INFO L82 PathProgramCache]: Analyzing trace with hash 327764987, now seen corresponding path program 1 times [2018-11-23 12:15:23,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:15:23,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:15:23,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:15:23,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:15:23,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:15:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:15:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:15:25,244 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:15:25,244 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/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 [2018-11-23 12:15:25,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:15:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:15:25,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:15:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:15:27,194 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:15:27,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2018-11-23 12:15:27,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 12:15:27,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 12:15:27,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=116, Unknown=2, NotChecked=0, Total=156 [2018-11-23 12:15:27,196 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 13 states. [2018-11-23 12:15:33,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:15:33,510 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-23 12:15:33,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:15:33,510 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 16 [2018-11-23 12:15:33,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:15:33,511 INFO L225 Difference]: With dead ends: 22 [2018-11-23 12:15:33,511 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:15:33,511 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=45, Invalid=135, Unknown=2, NotChecked=0, Total=182 [2018-11-23 12:15:33,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:15:33,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:15:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:15:33,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:15:33,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-23 12:15:33,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:15:33,512 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:15:33,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 12:15:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:15:33,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:15:33,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:15:37,601 WARN L180 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 48 DAG size of output: 10 [2018-11-23 12:15:37,603 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 12:15:37,603 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:15:37,603 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:15:37,603 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:15:37,603 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:15:37,603 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:15:37,604 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 10 27) the Hoare annotation is: true [2018-11-23 12:15:37,607 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 10 27) no Hoare annotation was computed. [2018-11-23 12:15:37,608 INFO L444 ceAbstractionStarter]: At program point L24(line 24) the Hoare annotation is: (<= (+ main_~x~0 main_~y~0 main_~z~0) (* 4 (div (+ main_~x~0 (+ main_~y~0 main_~z~0)) 4))) [2018-11-23 12:15:37,608 INFO L444 ceAbstractionStarter]: At program point L24-1(lines 18 25) the Hoare annotation is: (<= (+ main_~x~0 main_~y~0 main_~z~0) (* 4 (div (+ main_~x~0 (+ main_~y~0 main_~z~0)) 4))) [2018-11-23 12:15:37,608 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 25) no Hoare annotation was computed. [2018-11-23 12:15:37,608 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 10 27) no Hoare annotation was computed. [2018-11-23 12:15:37,608 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-23 12:15:37,608 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-23 12:15:37,608 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-23 12:15:37,609 INFO L448 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-23 12:15:37,609 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-23 12:15:37,609 INFO L448 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-23 12:15:37,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:15:37 BoogieIcfgContainer [2018-11-23 12:15:37,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:15:37,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:15:37,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:15:37,620 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:15:37,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:15:22" (3/4) ... [2018-11-23 12:15:37,624 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:15:37,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:15:37,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:15:37,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 12:15:37,634 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 12:15:37,634 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:15:37,634 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:15:37,660 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3d2f590d-c9a0-48df-9eba-902564877f65/bin-2019/uautomizer/witness.graphml [2018-11-23 12:15:37,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:15:37,661 INFO L168 Benchmark]: Toolchain (without parser) took 15358.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -94.2 MB). Peak memory consumption was 67.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:15:37,661 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:15:37,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.75 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:15:37,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.49 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:15:37,662 INFO L168 Benchmark]: Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:15:37,662 INFO L168 Benchmark]: RCFGBuilder took 198.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:15:37,663 INFO L168 Benchmark]: TraceAbstraction took 14945.44 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: 88.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:15:37,663 INFO L168 Benchmark]: Witness Printer took 40.32 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 12:15:37,666 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.75 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 12.49 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 198.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14945.44 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: 88.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. * Witness Printer took 40.32 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 18]: Loop Invariant Derived loop invariant: x + y + z <= 4 * ((x + (y + z)) / 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 14.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 14 SDslu, 94 SDs, 0 SdLazy, 67 SolverSat, 7 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 33 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 153 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 39 ConstructedInterpolants, 3 QuantifiedInterpolants, 3432 SizeOfPredicates, 3 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...