./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c -s /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:42:13,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:42:13,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:42:13,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:42:13,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:42:13,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:42:13,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:42:13,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:42:13,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:42:13,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:42:13,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:42:13,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:42:13,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:42:13,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:42:13,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:42:13,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:42:13,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:42:13,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:42:13,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:42:13,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:42:13,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:42:13,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:42:13,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:42:13,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:42:13,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:42:13,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:42:13,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:42:13,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:42:13,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:42:13,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:42:13,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:42:13,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:42:13,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:42:13,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:42:13,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:42:13,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:42:13,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:42:13,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:42:13,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:42:13,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:42:13,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:42:13,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-20 09:42:13,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:42:13,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:42:13,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:42:13,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:42:13,695 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:42:13,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:42:13,696 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:42:13,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:42:13,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:42:13,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:42:13,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:42:13,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:42:13,697 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 09:42:13,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:42:13,697 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:42:13,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:42:13,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:42:13,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:42:13,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:42:13,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:42:13,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:42:13,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:42:13,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:42:13,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:42:13,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:42:13,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:42:13,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:42:13,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b43ce72b37c8e17b4dbab62d6d09279867a7da3 [2019-11-20 09:42:13,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:42:13,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:42:13,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:42:13,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:42:13,882 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:42:13,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2019-11-20 09:42:13,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/data/05a373384/b15df405058441deb5d9eac3264ca33f/FLAG99c63fb97 [2019-11-20 09:42:14,311 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:42:14,311 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-loops.c [2019-11-20 09:42:14,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/data/05a373384/b15df405058441deb5d9eac3264ca33f/FLAG99c63fb97 [2019-11-20 09:42:14,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/data/05a373384/b15df405058441deb5d9eac3264ca33f [2019-11-20 09:42:14,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:42:14,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:42:14,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:42:14,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:42:14,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:42:14,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:42:14" (1/1) ... [2019-11-20 09:42:14,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1d3fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:14, skipping insertion in model container [2019-11-20 09:42:14,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:42:14" (1/1) ... [2019-11-20 09:42:14,752 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:42:14,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:42:14,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:42:14,908 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:42:14,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:42:15,001 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:42:15,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15 WrapperNode [2019-11-20 09:42:15,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:42:15,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:42:15,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:42:15,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:42:15,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:42:15,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:42:15,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:42:15,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:42:15,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... [2019-11-20 09:42:15,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:42:15,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:42:15,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:42:15,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:42:15,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:42:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:42:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:42:15,338 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:42:15,338 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 09:42:15,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:42:15 BoogieIcfgContainer [2019-11-20 09:42:15,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:42:15,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:42:15,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:42:15,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:42:15,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:42:14" (1/3) ... [2019-11-20 09:42:15,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8b376b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:42:15, skipping insertion in model container [2019-11-20 09:42:15,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:42:15" (2/3) ... [2019-11-20 09:42:15,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8b376b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:42:15, skipping insertion in model container [2019-11-20 09:42:15,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:42:15" (3/3) ... [2019-11-20 09:42:15,358 INFO L109 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-loops.c [2019-11-20 09:42:15,367 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:42:15,373 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-20 09:42:15,402 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-20 09:42:15,422 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:42:15,422 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:42:15,422 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:42:15,423 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:42:15,423 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:42:15,423 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:42:15,423 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:42:15,423 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:42:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-20 09:42:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 09:42:15,442 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:42:15,443 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-20 09:42:15,444 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 09:42:15,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:42:15,449 INFO L82 PathProgramCache]: Analyzing trace with hash 29685419, now seen corresponding path program 1 times [2019-11-20 09:42:15,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:42:15,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96861421] [2019-11-20 09:42:15,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:42:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:42:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:42:15,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96861421] [2019-11-20 09:42:15,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:42:15,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:42:15,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271181762] [2019-11-20 09:42:15,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:42:15,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:42:15,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:42:15,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:42:15,653 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-11-20 09:42:15,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:42:15,700 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-11-20 09:42:15,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:42:15,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-20 09:42:15,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:42:15,710 INFO L225 Difference]: With dead ends: 35 [2019-11-20 09:42:15,710 INFO L226 Difference]: Without dead ends: 12 [2019-11-20 09:42:15,713 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:42:15,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-20 09:42:15,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-20 09:42:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 09:42:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-11-20 09:42:15,744 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 5 [2019-11-20 09:42:15,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:42:15,745 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-11-20 09:42:15,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:42:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-20 09:42:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 09:42:15,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:42:15,746 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:42:15,746 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 09:42:15,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:42:15,747 INFO L82 PathProgramCache]: Analyzing trace with hash 920230376, now seen corresponding path program 1 times [2019-11-20 09:42:15,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:42:15,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881309210] [2019-11-20 09:42:15,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:42:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:42:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:42:15,769 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881309210] [2019-11-20 09:42:15,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:42:15,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:42:15,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793352457] [2019-11-20 09:42:15,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:42:15,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:42:15,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:42:15,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:42:15,772 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2019-11-20 09:42:15,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:42:15,830 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-20 09:42:15,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:42:15,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 09:42:15,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:42:15,832 INFO L225 Difference]: With dead ends: 20 [2019-11-20 09:42:15,832 INFO L226 Difference]: Without dead ends: 19 [2019-11-20 09:42:15,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:42:15,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-20 09:42:15,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 14. [2019-11-20 09:42:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-20 09:42:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-11-20 09:42:15,837 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 6 [2019-11-20 09:42:15,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:42:15,837 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-11-20 09:42:15,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:42:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-11-20 09:42:15,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 09:42:15,838 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:42:15,838 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:42:15,839 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 09:42:15,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:42:15,839 INFO L82 PathProgramCache]: Analyzing trace with hash 920248058, now seen corresponding path program 1 times [2019-11-20 09:42:15,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:42:15,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996166749] [2019-11-20 09:42:15,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:42:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:42:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:42:15,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996166749] [2019-11-20 09:42:15,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:42:15,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:42:15,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857908726] [2019-11-20 09:42:15,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:42:15,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:42:15,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:42:15,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:42:15,866 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand 3 states. [2019-11-20 09:42:15,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:42:15,898 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-11-20 09:42:15,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:42:15,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-20 09:42:15,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:42:15,900 INFO L225 Difference]: With dead ends: 15 [2019-11-20 09:42:15,900 INFO L226 Difference]: Without dead ends: 14 [2019-11-20 09:42:15,900 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:42:15,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-20 09:42:15,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-20 09:42:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 09:42:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-11-20 09:42:15,904 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 6 [2019-11-20 09:42:15,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:42:15,905 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-20 09:42:15,905 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:42:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-11-20 09:42:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 09:42:15,906 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:42:15,906 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:42:15,906 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 09:42:15,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:42:15,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1537629357, now seen corresponding path program 1 times [2019-11-20 09:42:15,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:42:15,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669723829] [2019-11-20 09:42:15,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:42:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:42:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:42:15,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669723829] [2019-11-20 09:42:15,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:42:15,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 09:42:15,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444940000] [2019-11-20 09:42:15,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:42:15,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:42:15,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:42:15,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:42:15,939 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 3 states. [2019-11-20 09:42:15,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:42:15,958 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-11-20 09:42:15,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:42:15,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-20 09:42:15,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:42:15,959 INFO L225 Difference]: With dead ends: 14 [2019-11-20 09:42:15,959 INFO L226 Difference]: Without dead ends: 13 [2019-11-20 09:42:15,959 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:42:15,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-20 09:42:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-20 09:42:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 09:42:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-20 09:42:15,963 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 7 [2019-11-20 09:42:15,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:42:15,963 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-20 09:42:15,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:42:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 09:42:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 09:42:15,964 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:42:15,964 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:42:15,964 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 09:42:15,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:42:15,965 INFO L82 PathProgramCache]: Analyzing trace with hash -193060491, now seen corresponding path program 1 times [2019-11-20 09:42:15,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:42:15,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222696698] [2019-11-20 09:42:15,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:42:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:42:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:42:15,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222696698] [2019-11-20 09:42:15,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096245595] [2019-11-20 09:42:15,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:42:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:42:16,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 09:42:16,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:42:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:42:16,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 09:42:16,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-20 09:42:16,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828324865] [2019-11-20 09:42:16,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:42:16,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:42:16,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:42:16,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:42:16,067 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 4 states. [2019-11-20 09:42:16,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:42:16,114 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2019-11-20 09:42:16,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:42:16,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-20 09:42:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:42:16,115 INFO L225 Difference]: With dead ends: 23 [2019-11-20 09:42:16,115 INFO L226 Difference]: Without dead ends: 22 [2019-11-20 09:42:16,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:42:16,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-20 09:42:16,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2019-11-20 09:42:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 09:42:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-11-20 09:42:16,120 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 9 [2019-11-20 09:42:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:42:16,120 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-20 09:42:16,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:42:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2019-11-20 09:42:16,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 09:42:16,121 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:42:16,122 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1] [2019-11-20 09:42:16,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:42:16,329 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-20 09:42:16,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:42:16,329 INFO L82 PathProgramCache]: Analyzing trace with hash -503819576, now seen corresponding path program 2 times [2019-11-20 09:42:16,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:42:16,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516106034] [2019-11-20 09:42:16,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:42:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:42:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 09:42:16,369 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516106034] [2019-11-20 09:42:16,369 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864715298] [2019-11-20 09:42:16,369 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:42:16,401 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-20 09:42:16,402 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 09:42:16,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 09:42:16,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:42:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 09:42:16,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 09:42:16,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-20 09:42:16,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640114438] [2019-11-20 09:42:16,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:42:16,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:42:16,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:42:16,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:42:16,409 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand 4 states. [2019-11-20 09:42:16,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:42:16,468 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-11-20 09:42:16,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:42:16,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-20 09:42:16,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:42:16,469 INFO L225 Difference]: With dead ends: 18 [2019-11-20 09:42:16,469 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:42:16,470 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:42:16,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:42:16,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:42:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:42:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:42:16,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-20 09:42:16,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:42:16,471 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:42:16,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:42:16,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:42:16,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:42:16,671 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:42:16,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:42:16,740 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-20 09:42:16,740 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:42:16,741 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-11-20 09:42:16,741 INFO L447 ceAbstractionStarter]: At program point L29(lines 13 30) the Hoare annotation is: true [2019-11-20 09:42:16,741 INFO L444 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-11-20 09:42:16,741 INFO L444 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-20 09:42:16,741 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2019-11-20 09:42:16,741 INFO L444 ceAbstractionStarter]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2019-11-20 09:42:16,741 INFO L440 ceAbstractionStarter]: At program point L19-2(lines 19 27) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 1073741823) [2019-11-20 09:42:16,741 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-20 09:42:16,742 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-11-20 09:42:16,742 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:42:16,742 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:42:16,742 INFO L444 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2019-11-20 09:42:16,742 INFO L440 ceAbstractionStarter]: At program point L22-2(lines 22 24) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~y~0) (<= ULTIMATE.start_main_~x~0 1073741823) (<= 0 ULTIMATE.start_main_~x~0)) [2019-11-20 09:42:16,742 INFO L444 ceAbstractionStarter]: For program point L18(lines 18 28) no Hoare annotation was computed. [2019-11-20 09:42:16,742 INFO L444 ceAbstractionStarter]: For program point L18-1(lines 18 28) no Hoare annotation was computed. [2019-11-20 09:42:16,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:42:16 BoogieIcfgContainer [2019-11-20 09:42:16,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:42:16,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:42:16,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:42:16,763 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:42:16,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:42:15" (3/4) ... [2019-11-20 09:42:16,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:42:16,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 09:42:16,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:42:16,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_abdfa992-238f-4d16-b175-46d9deecf142/bin/uautomizer/witness.graphml [2019-11-20 09:42:16,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:42:16,821 INFO L168 Benchmark]: Toolchain (without parser) took 2082.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -105.2 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:42:16,822 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:42:16,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -204.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:42:16,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:42:16,823 INFO L168 Benchmark]: Boogie Preprocessor took 24.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:42:16,824 INFO L168 Benchmark]: RCFGBuilder took 282.56 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:42:16,824 INFO L168 Benchmark]: TraceAbstraction took 1422.56 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: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:42:16,825 INFO L168 Benchmark]: Witness Printer took 56.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:42:16,827 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -204.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 282.56 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1422.56 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: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.62 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x <= 1073741823 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (1 <= y && x <= 1073741823) && 0 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 4 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 52 SDslu, 15 SDs, 0 SdLazy, 75 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 10 NumberOfFragments, 14 HoareAnnotationTreeSize, 3 FomulaSimplifications, 391 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 66 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 SizeOfPredicates, 1 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 10/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...