./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.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_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/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 ff3652fa62b489d4e6a4a85c8349c06d13bd2232 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:10:53,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:10:53,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:10:53,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:10:53,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:10:53,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:10:53,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:10:53,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:10:53,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:10:53,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:10:53,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:10:53,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:10:53,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:10:53,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:10:53,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:10:53,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:10:53,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:10:53,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:10:53,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:10:53,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:10:53,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:10:53,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:10:53,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:10:53,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:10:53,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:10:53,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:10:53,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:10:53,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:10:53,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:10:53,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:10:53,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:10:53,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:10:53,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:10:53,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:10:53,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:10:53,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:10:53,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:10:53,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:10:53,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:10:53,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:10:53,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:10:53,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-19 23:10:53,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:10:53,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:10:53,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:10:53,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:10:53,983 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:10:53,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:10:53,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 23:10:53,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:10:53,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:10:53,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:10:53,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:10:53,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:10:53,984 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 23:10:53,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:10:53,985 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:10:53,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:10:53,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:10:53,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:10:53,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:10:53,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:10:53,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:10:53,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:10:53,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:10:53,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:10:53,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:10:53,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:10:53,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:10:53,989 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_ad22317c-5ebf-4043-8136-e1e1d9417c62/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 -> ff3652fa62b489d4e6a4a85c8349c06d13bd2232 [2019-11-19 23:10:54,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:10:54,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:10:54,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:10:54,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:10:54,183 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:10:54,183 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c [2019-11-19 23:10:54,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/data/c1eec610e/2d5a87d79d01433287dcce7041e51197/FLAG17cf008df [2019-11-19 23:10:54,659 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:10:54,660 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/sv-benchmarks/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig2.c [2019-11-19 23:10:54,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/data/c1eec610e/2d5a87d79d01433287dcce7041e51197/FLAG17cf008df [2019-11-19 23:10:55,093 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/data/c1eec610e/2d5a87d79d01433287dcce7041e51197 [2019-11-19 23:10:55,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:10:55,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:10:55,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:10:55,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:10:55,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:10:55,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6709ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55, skipping insertion in model container [2019-11-19 23:10:55,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:10:55,144 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:10:55,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:10:55,289 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:10:55,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:10:55,385 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:10:55,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55 WrapperNode [2019-11-19 23:10:55,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:10:55,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:10:55,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:10:55,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:10:55,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:10:55,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:10:55,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:10:55,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:10:55,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... [2019-11-19 23:10:55,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:10:55,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:10:55,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:10:55,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:10:55,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/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 [2019-11-19 23:10:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:10:55,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:10:55,680 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:10:55,681 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 23:10:55,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:55 BoogieIcfgContainer [2019-11-19 23:10:55,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:10:55,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:10:55,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:10:55,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:10:55,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:10:55" (1/3) ... [2019-11-19 23:10:55,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cee8910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:10:55, skipping insertion in model container [2019-11-19 23:10:55,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:10:55" (2/3) ... [2019-11-19 23:10:55,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cee8910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:10:55, skipping insertion in model container [2019-11-19 23:10:55,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:55" (3/3) ... [2019-11-19 23:10:55,690 INFO L109 eAbstractionObserver]: Analyzing ICFG PodelskiRybalchenko-TACAS2011-Fig2.c [2019-11-19 23:10:55,700 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:10:55,706 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-19 23:10:55,718 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-19 23:10:55,741 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:10:55,741 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:10:55,741 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:10:55,742 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:10:55,742 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:10:55,742 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:10:55,742 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:10:55,742 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:10:55,766 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-19 23:10:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 23:10:55,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:55,773 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-19 23:10:55,773 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:10:55,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:55,780 INFO L82 PathProgramCache]: Analyzing trace with hash 963476, now seen corresponding path program 1 times [2019-11-19 23:10:55,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:55,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498454424] [2019-11-19 23:10:55,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:55,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:55,980 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498454424] [2019-11-19 23:10:55,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:10:55,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:10:55,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096967182] [2019-11-19 23:10:55,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:10:55,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:56,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:10:56,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:10:56,007 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2019-11-19 23:10:56,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:56,228 INFO L93 Difference]: Finished difference Result 48 states and 69 transitions. [2019-11-19 23:10:56,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:10:56,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-19 23:10:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:56,237 INFO L225 Difference]: With dead ends: 48 [2019-11-19 23:10:56,237 INFO L226 Difference]: Without dead ends: 26 [2019-11-19 23:10:56,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 23:10:56,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-19 23:10:56,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2019-11-19 23:10:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-19 23:10:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2019-11-19 23:10:56,271 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 4 [2019-11-19 23:10:56,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:56,271 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-19 23:10:56,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:10:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2019-11-19 23:10:56,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:10:56,272 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:56,272 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-19 23:10:56,272 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:10:56,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:56,273 INFO L82 PathProgramCache]: Analyzing trace with hash 29867816, now seen corresponding path program 1 times [2019-11-19 23:10:56,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:56,273 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251367155] [2019-11-19 23:10:56,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:56,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251367155] [2019-11-19 23:10:56,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:10:56,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:10:56,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930758701] [2019-11-19 23:10:56,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:10:56,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:56,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:10:56,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:10:56,301 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand 3 states. [2019-11-19 23:10:56,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:56,320 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2019-11-19 23:10:56,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:10:56,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-19 23:10:56,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:56,321 INFO L225 Difference]: With dead ends: 19 [2019-11-19 23:10:56,321 INFO L226 Difference]: Without dead ends: 18 [2019-11-19 23:10:56,322 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 [2019-11-19 23:10:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-19 23:10:56,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-19 23:10:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-19 23:10:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-11-19 23:10:56,327 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 5 [2019-11-19 23:10:56,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:56,327 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-11-19 23:10:56,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:10:56,327 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-19 23:10:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 23:10:56,328 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:56,328 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-19 23:10:56,328 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:10:56,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:56,329 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-11-19 23:10:56,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:56,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720228597] [2019-11-19 23:10:56,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:56,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720228597] [2019-11-19 23:10:56,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:10:56,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:10:56,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378004037] [2019-11-19 23:10:56,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:10:56,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:56,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:10:56,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:10:56,351 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 3 states. [2019-11-19 23:10:56,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:56,373 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-11-19 23:10:56,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:10:56,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-19 23:10:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:56,374 INFO L225 Difference]: With dead ends: 19 [2019-11-19 23:10:56,374 INFO L226 Difference]: Without dead ends: 12 [2019-11-19 23:10:56,375 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 [2019-11-19 23:10:56,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-19 23:10:56,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-19 23:10:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-19 23:10:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-11-19 23:10:56,378 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5 [2019-11-19 23:10:56,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:56,379 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-11-19 23:10:56,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:10:56,379 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-19 23:10:56,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 23:10:56,379 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:56,380 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:10:56,380 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:10:56,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:56,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1360166603, now seen corresponding path program 1 times [2019-11-19 23:10:56,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:56,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063224941] [2019-11-19 23:10:56,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 23:10:56,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063224941] [2019-11-19 23:10:56,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:10:56,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-19 23:10:56,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457731517] [2019-11-19 23:10:56,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:10:56,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:56,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:10:56,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:10:56,407 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 3 states. [2019-11-19 23:10:56,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:56,452 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-11-19 23:10:56,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:10:56,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-19 23:10:56,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:56,453 INFO L225 Difference]: With dead ends: 11 [2019-11-19 23:10:56,453 INFO L226 Difference]: Without dead ends: 10 [2019-11-19 23:10:56,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:10:56,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-19 23:10:56,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-19 23:10:56,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-19 23:10:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-19 23:10:56,457 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2019-11-19 23:10:56,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:56,457 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-19 23:10:56,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:10:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-19 23:10:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 23:10:56,458 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:56,458 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-19 23:10:56,458 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:10:56,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:56,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1360166548, now seen corresponding path program 1 times [2019-11-19 23:10:56,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:56,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855433867] [2019-11-19 23:10:56,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:56,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855433867] [2019-11-19 23:10:56,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915319021] [2019-11-19 23:10:56,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/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 [2019-11-19 23:10:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:56,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:10:56,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:10:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:56,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:10:56,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-19 23:10:56,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110577482] [2019-11-19 23:10:56,597 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:10:56,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:56,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:10:56,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:10:56,598 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2019-11-19 23:10:56,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:56,631 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-11-19 23:10:56,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:10:56,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-19 23:10:56,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:56,632 INFO L225 Difference]: With dead ends: 18 [2019-11-19 23:10:56,632 INFO L226 Difference]: Without dead ends: 17 [2019-11-19 23:10:56,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:10:56,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-19 23:10:56,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2019-11-19 23:10:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-19 23:10:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-11-19 23:10:56,636 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2019-11-19 23:10:56,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:56,637 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-11-19 23:10:56,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:10:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-11-19 23:10:56,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 23:10:56,637 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:10:56,638 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2019-11-19 23:10:56,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:10:56,842 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-19 23:10:56,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:10:56,843 INFO L82 PathProgramCache]: Analyzing trace with hash -2000108501, now seen corresponding path program 2 times [2019-11-19 23:10:56,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:10:56,843 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061891364] [2019-11-19 23:10:56,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:10:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:10:56,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061891364] [2019-11-19 23:10:56,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379968948] [2019-11-19 23:10:56,906 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/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 [2019-11-19 23:10:56,940 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-11-19 23:10:56,941 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-19 23:10:56,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 23:10:56,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:10:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 23:10:56,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 23:10:56,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 2] total 6 [2019-11-19 23:10:56,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240075947] [2019-11-19 23:10:56,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:10:56,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:10:56,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:10:56,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:10:56,970 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 7 states. [2019-11-19 23:10:57,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:10:57,100 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2019-11-19 23:10:57,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 23:10:57,100 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2019-11-19 23:10:57,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:10:57,101 INFO L225 Difference]: With dead ends: 27 [2019-11-19 23:10:57,101 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:10:57,102 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-11-19 23:10:57,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:10:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:10:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:10:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:10:57,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-19 23:10:57,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:10:57,103 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:10:57,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:10:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:10:57,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:10:57,304 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:10:57,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:10:57,373 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-11-19 23:10:57,373 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:10:57,374 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-11-19 23:10:57,374 INFO L440 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 1 ULTIMATE.start_main_~y~0) (<= 0 ULTIMATE.start_main_~x~0)) [2019-11-19 23:10:57,374 INFO L444 ceAbstractionStarter]: For program point L19-3(lines 19 21) no Hoare annotation was computed. [2019-11-19 23:10:57,374 INFO L440 ceAbstractionStarter]: At program point L17-2(lines 17 23) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2019-11-19 23:10:57,374 INFO L444 ceAbstractionStarter]: For program point L17-3(lines 17 23) no Hoare annotation was computed. [2019-11-19 23:10:57,374 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-11-19 23:10:57,375 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2019-11-19 23:10:57,375 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:10:57,375 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:10:57,375 INFO L440 ceAbstractionStarter]: At program point L24(lines 13 25) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 1) [2019-11-19 23:10:57,375 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 23:10:57,375 INFO L444 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-11-19 23:10:57,375 INFO L444 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-11-19 23:10:57,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:10:57 BoogieIcfgContainer [2019-11-19 23:10:57,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:10:57,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:10:57,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:10:57,392 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:10:57,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:10:55" (3/4) ... [2019-11-19 23:10:57,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:10:57,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 23:10:57,408 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:10:57,473 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ad22317c-5ebf-4043-8136-e1e1d9417c62/bin/uautomizer/witness.graphml [2019-11-19 23:10:57,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:10:57,475 INFO L168 Benchmark]: Toolchain (without parser) took 2363.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -52.3 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:57,476 INFO L168 Benchmark]: CDTParser took 0.48 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. [2019-11-19 23:10:57,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:57,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.33 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. [2019-11-19 23:10:57,477 INFO L168 Benchmark]: Boogie Preprocessor took 19.73 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. [2019-11-19 23:10:57,478 INFO L168 Benchmark]: RCFGBuilder took 247.29 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:57,478 INFO L168 Benchmark]: TraceAbstraction took 1707.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 96.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:57,478 INFO L168 Benchmark]: Witness Printer took 82.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:10:57,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 273.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.33 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. * Boogie Preprocessor took 19.73 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. * RCFGBuilder took 247.29 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1707.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 96.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. * Witness Printer took 82.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: x <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 1 <= y) && 0 <= x - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 65 SDslu, 13 SDs, 0 SdLazy, 102 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s 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 DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 16 NumberOfFragments, 16 HoareAnnotationTreeSize, 3 FomulaSimplifications, 142 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 55 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 869 SizeOfPredicates, 1 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 6/19 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...