./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label28.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a91360cde292feef26ce63dd86a79ea34c8e0be3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:01:14,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:14,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:14,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:14,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:14,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:14,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:14,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:14,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:14,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:14,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:14,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:14,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:14,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:14,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:14,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:14,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:14,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:14,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:14,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:14,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:14,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:14,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:14,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:14,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:14,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:14,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:14,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:14,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:14,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:14,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:14,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:14,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:14,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:14,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:14,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:14,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:14,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:14,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:14,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:14,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:14,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:01:14,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:14,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:14,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:14,770 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:14,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:14,770 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:14,771 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:01:14,771 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:14,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:14,771 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:01:14,772 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:01:14,772 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:14,773 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:01:14,773 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:01:14,773 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:01:14,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:14,774 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:01:14,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:01:14,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:01:14,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:14,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:01:14,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:14,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:01:14,776 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:01:14,776 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:01:14,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:01:14,776 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:14,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:01:14,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:14,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:14,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:14,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:14,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:14,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:14,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:01:14,779 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:01:14,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:01:14,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:01:14,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:14,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:14,780 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a91360cde292feef26ce63dd86a79ea34c8e0be3 [2020-11-22 13:01:15,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:15,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:15,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:15,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:15,151 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:15,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label28.c [2020-11-22 13:01:15,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/data/466461a24/0d7e288b1ecf4e0cb2ec4610b1f74ee3/FLAGa372c1b38 [2020-11-22 13:01:15,810 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:15,811 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/sv-benchmarks/c/eca-rers2012/Problem02_label28.c [2020-11-22 13:01:15,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/data/466461a24/0d7e288b1ecf4e0cb2ec4610b1f74ee3/FLAGa372c1b38 [2020-11-22 13:01:16,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/data/466461a24/0d7e288b1ecf4e0cb2ec4610b1f74ee3 [2020-11-22 13:01:16,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:16,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:16,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:16,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:16,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:16,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432c5ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16, skipping insertion in model container [2020-11-22 13:01:16,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:16,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:16,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:16,637 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:01:16,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:16,755 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:01:16,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16 WrapperNode [2020-11-22 13:01:16,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:16,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:16,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:01:16,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:01:16,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:16,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:01:16,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:01:16,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:01:16,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... [2020-11-22 13:01:16,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:01:16,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:01:16,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:01:16,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:01:16,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/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 [2020-11-22 13:01:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:01:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:01:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:01:16,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:01:19,588 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:01:19,589 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-22 13:01:19,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:19 BoogieIcfgContainer [2020-11-22 13:01:19,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:01:19,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:01:19,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:01:19,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:01:19,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:01:16" (1/3) ... [2020-11-22 13:01:19,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da7377d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:19, skipping insertion in model container [2020-11-22 13:01:19,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:16" (2/3) ... [2020-11-22 13:01:19,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da7377d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:19, skipping insertion in model container [2020-11-22 13:01:19,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:19" (3/3) ... [2020-11-22 13:01:19,603 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label28.c [2020-11-22 13:01:19,614 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:01:19,618 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:01:19,630 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:01:19,664 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:01:19,664 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:01:19,664 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:01:19,664 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:01:19,665 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:01:19,665 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:01:19,665 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:01:19,665 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:01:19,683 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states. [2020-11-22 13:01:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-22 13:01:19,693 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:19,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:19,695 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:19,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:19,700 INFO L82 PathProgramCache]: Analyzing trace with hash -216540144, now seen corresponding path program 1 times [2020-11-22 13:01:19,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:19,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501158835] [2020-11-22 13:01:19,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:20,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:20,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501158835] [2020-11-22 13:01:20,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:20,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:01:20,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056533064] [2020-11-22 13:01:20,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:01:20,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:20,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:01:20,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:20,207 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states. [2020-11-22 13:01:20,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:20,907 INFO L93 Difference]: Finished difference Result 251 states and 482 transitions. [2020-11-22 13:01:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:20,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-11-22 13:01:20,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:20,929 INFO L225 Difference]: With dead ends: 251 [2020-11-22 13:01:20,930 INFO L226 Difference]: Without dead ends: 163 [2020-11-22 13:01:20,935 INFO L677 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 [2020-11-22 13:01:20,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-22 13:01:20,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-11-22 13:01:20,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-11-22 13:01:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 253 transitions. [2020-11-22 13:01:21,011 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 253 transitions. Word has length 80 [2020-11-22 13:01:21,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:21,013 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 253 transitions. [2020-11-22 13:01:21,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:01:21,013 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 253 transitions. [2020-11-22 13:01:21,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-22 13:01:21,021 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:21,021 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:21,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:01:21,021 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:21,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:21,022 INFO L82 PathProgramCache]: Analyzing trace with hash -125429013, now seen corresponding path program 1 times [2020-11-22 13:01:21,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:21,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325335255] [2020-11-22 13:01:21,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:21,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325335255] [2020-11-22 13:01:21,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:21,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:01:21,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150193409] [2020-11-22 13:01:21,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:01:21,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:21,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:01:21,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:21,200 INFO L87 Difference]: Start difference. First operand 163 states and 253 transitions. Second operand 3 states. [2020-11-22 13:01:21,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:21,815 INFO L93 Difference]: Finished difference Result 405 states and 661 transitions. [2020-11-22 13:01:21,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:21,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-22 13:01:21,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:21,820 INFO L225 Difference]: With dead ends: 405 [2020-11-22 13:01:21,820 INFO L226 Difference]: Without dead ends: 243 [2020-11-22 13:01:21,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:21,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-11-22 13:01:21,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2020-11-22 13:01:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-11-22 13:01:21,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 398 transitions. [2020-11-22 13:01:21,845 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 398 transitions. Word has length 85 [2020-11-22 13:01:21,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:21,846 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 398 transitions. [2020-11-22 13:01:21,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:01:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 398 transitions. [2020-11-22 13:01:21,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-22 13:01:21,849 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:21,849 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:21,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:01:21,850 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:21,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:21,850 INFO L82 PathProgramCache]: Analyzing trace with hash 97032757, now seen corresponding path program 1 times [2020-11-22 13:01:21,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:21,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414925916] [2020-11-22 13:01:21,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:21,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414925916] [2020-11-22 13:01:21,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:21,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:01:21,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650175329] [2020-11-22 13:01:21,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:01:21,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:21,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:01:21,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:21,981 INFO L87 Difference]: Start difference. First operand 243 states and 398 transitions. Second operand 3 states. [2020-11-22 13:01:22,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:22,503 INFO L93 Difference]: Finished difference Result 725 states and 1191 transitions. [2020-11-22 13:01:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:22,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-11-22 13:01:22,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:22,508 INFO L225 Difference]: With dead ends: 725 [2020-11-22 13:01:22,508 INFO L226 Difference]: Without dead ends: 483 [2020-11-22 13:01:22,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:22,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-11-22 13:01:22,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2020-11-22 13:01:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-11-22 13:01:22,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 743 transitions. [2020-11-22 13:01:22,537 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 743 transitions. Word has length 89 [2020-11-22 13:01:22,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:22,538 INFO L481 AbstractCegarLoop]: Abstraction has 483 states and 743 transitions. [2020-11-22 13:01:22,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:01:22,538 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 743 transitions. [2020-11-22 13:01:22,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-22 13:01:22,542 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:22,543 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:01:22,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-22 13:01:22,543 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:22,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:22,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1695122091, now seen corresponding path program 1 times [2020-11-22 13:01:22,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:22,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454924658] [2020-11-22 13:01:22,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:01:22,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:01:22,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454924658] [2020-11-22 13:01:22,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:01:22,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:01:22,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8436830] [2020-11-22 13:01:22,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:01:22,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:01:22,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:01:22,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:01:22,606 INFO L87 Difference]: Start difference. First operand 483 states and 743 transitions. Second operand 3 states. [2020-11-22 13:01:22,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:01:22,821 INFO L93 Difference]: Finished difference Result 883 states and 1328 transitions. [2020-11-22 13:01:22,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:01:22,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-22 13:01:22,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:01:22,822 INFO L225 Difference]: With dead ends: 883 [2020-11-22 13:01:22,822 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:01:22,825 INFO L677 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 [2020-11-22 13:01:22,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:01:22,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:01:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:01:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:01:22,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2020-11-22 13:01:22,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:01:22,826 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:01:22,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:01:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:01:22,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:01:22,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-22 13:01:22,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:01:22,892 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-22 13:01:22,892 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-22 13:01:22,892 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-22 13:01:22,892 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-22 13:01:22,892 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-22 13:01:22,892 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-22 13:01:22,893 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-22 13:01:22,894 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-22 13:01:22,895 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-22 13:01:22,896 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-22 13:01:22,897 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-22 13:01:22,897 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-22 13:01:22,897 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-22 13:01:22,897 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-22 13:01:22,897 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-22 13:01:22,897 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 10)) (and (= ~a25~0 1) .cse0))) [2020-11-22 13:01:22,897 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-22 13:01:22,898 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-22 13:01:22,899 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 10)) (and (= ~a25~0 1) .cse0))) [2020-11-22 13:01:22,899 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-22 13:01:22,899 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-22 13:01:22,899 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-22 13:01:22,899 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-22 13:01:22,899 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-22 13:01:22,899 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-22 13:01:22,899 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-22 13:01:22,899 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-22 13:01:22,900 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-22 13:01:22,901 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-22 13:01:22,901 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-22 13:01:22,901 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-22 13:01:22,901 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-22 13:01:22,901 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-22 13:01:22,902 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-22 13:01:22,902 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-22 13:01:22,902 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-22 13:01:22,902 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-22 13:01:22,902 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-22 13:01:22,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:01:22 BoogieIcfgContainer [2020-11-22 13:01:22,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:01:22,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:01:22,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:01:22,918 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:01:22,918 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:19" (3/4) ... [2020-11-22 13:01:22,921 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:01:22,943 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2020-11-22 13:01:22,945 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-22 13:01:22,947 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:01:22,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:01:23,133 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c90f3e9-1dee-4484-83e7-500470d1a8bd/bin/utaipan/witness.graphml [2020-11-22 13:01:23,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:01:23,136 INFO L168 Benchmark]: Toolchain (without parser) took 7076.42 ms. Allocated memory was 94.4 MB in the beginning and 220.2 MB in the end (delta: 125.8 MB). Free memory was 57.7 MB in the beginning and 183.6 MB in the end (delta: -125.9 MB). Peak memory consumption was 91.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:23,137 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:23,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.51 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 55.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:23,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.39 ms. Allocated memory is still 94.4 MB. Free memory was 55.9 MB in the beginning and 50.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:23,139 INFO L168 Benchmark]: Boogie Preprocessor took 72.56 ms. Allocated memory is still 94.4 MB. Free memory was 50.3 MB in the beginning and 46.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:23,139 INFO L168 Benchmark]: RCFGBuilder took 2686.84 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 46.1 MB in the beginning and 51.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:23,140 INFO L168 Benchmark]: TraceAbstraction took 3321.30 ms. Allocated memory was 125.8 MB in the beginning and 172.0 MB in the end (delta: 46.1 MB). Free memory was 51.6 MB in the beginning and 56.3 MB in the end (delta: -4.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:23,140 INFO L168 Benchmark]: Witness Printer took 216.53 ms. Allocated memory was 172.0 MB in the beginning and 220.2 MB in the end (delta: 48.2 MB). Free memory was 56.3 MB in the beginning and 183.6 MB in the end (delta: -127.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:23,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.51 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 55.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.39 ms. Allocated memory is still 94.4 MB. Free memory was 55.9 MB in the beginning and 50.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.56 ms. Allocated memory is still 94.4 MB. Free memory was 50.3 MB in the beginning and 46.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2686.84 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 46.1 MB in the beginning and 51.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 42.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3321.30 ms. Allocated memory was 125.8 MB in the beginning and 172.0 MB in the end (delta: 46.1 MB). Free memory was 51.6 MB in the beginning and 56.3 MB in the end (delta: -4.7 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * Witness Printer took 216.53 ms. Allocated memory was 172.0 MB in the beginning and 220.2 MB in the end (delta: 48.2 MB). Free memory was 56.3 MB in the beginning and 183.6 MB in the end (delta: -127.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (a17 <= 8 && a28 <= 10) || (a25 == 1 && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (a17 <= 8 && a28 <= 10) || (a25 == 1 && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 265 SDtfs, 142 SDslu, 24 SDs, 0 SdLazy, 819 SolverSat, 276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=483occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 15 NumberOfFragments, 31 HoareAnnotationTreeSize, 3 FomulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 353 NumberOfCodeBlocks, 353 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 73673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 30/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...