./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.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_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e3380a58443e5008517ff3f1634c7ed2538bac7 .......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:19:08,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:08,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:08,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:08,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:08,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:08,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:08,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:08,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:08,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:08,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:08,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:08,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:08,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:08,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:08,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:08,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:08,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:08,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:08,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:08,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:08,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:08,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:08,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:08,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:08,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:08,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:08,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:08,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:08,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:08,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:08,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:08,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:08,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:08,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:08,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:08,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:08,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:08,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:08,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:08,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:08,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:08,763 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:08,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:08,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:08,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:08,766 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:08,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:08,766 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:08,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:08,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:08,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:08,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:08,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:08,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:08,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:08,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:08,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:08,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:08,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:08,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:08,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:08,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:08,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:08,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:08,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:08,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:08,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:08,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:08,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:08,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:08,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e3380a58443e5008517ff3f1634c7ed2538bac7 [2020-11-28 03:19:09,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:09,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:09,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:09,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:09,061 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:09,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2020-11-28 03:19:09,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/data/223b07cfa/19a0f9c42ee04f71b981310cebcdbca2/FLAG74e98e5da [2020-11-28 03:19:09,590 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:09,591 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2020-11-28 03:19:09,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/data/223b07cfa/19a0f9c42ee04f71b981310cebcdbca2/FLAG74e98e5da [2020-11-28 03:19:09,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/data/223b07cfa/19a0f9c42ee04f71b981310cebcdbca2 [2020-11-28 03:19:09,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:09,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:09,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:09,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:09,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:09,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:09" (1/1) ... [2020-11-28 03:19:10,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9cef28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:09, skipping insertion in model container [2020-11-28 03:19:10,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:09" (1/1) ... [2020-11-28 03:19:10,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:10,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:10,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:10,241 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:10,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:10,273 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:10,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10 WrapperNode [2020-11-28 03:19:10,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:10,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:10,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:10,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:10,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:10,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:10,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:10,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:10,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... [2020-11-28 03:19:10,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:10,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:10,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:10,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:10,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/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 [2020-11-28 03:19:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-11-28 03:19:10,688 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:10,692 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-11-28 03:19:10,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:10 BoogieIcfgContainer [2020-11-28 03:19:10,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:10,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:10,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:10,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:10,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:09" (1/3) ... [2020-11-28 03:19:10,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4feafb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:10, skipping insertion in model container [2020-11-28 03:19:10,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:10" (2/3) ... [2020-11-28 03:19:10,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4feafb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:10, skipping insertion in model container [2020-11-28 03:19:10,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:10" (3/3) ... [2020-11-28 03:19:10,719 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-u_valuebound50.c [2020-11-28 03:19:10,731 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:10,747 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-28 03:19:10,775 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-28 03:19:10,816 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:10,822 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:10,822 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:10,823 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:10,823 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:10,823 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:10,823 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:10,823 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-28 03:19:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:19:10,845 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:10,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:10,846 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:10,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:10,852 INFO L82 PathProgramCache]: Analyzing trace with hash -594062832, now seen corresponding path program 1 times [2020-11-28 03:19:10,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:10,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113867052] [2020-11-28 03:19:10,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:10,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113867052] [2020-11-28 03:19:10,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:10,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:10,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665937650] [2020-11-28 03:19:10,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:19:10,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:11,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:19:11,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:11,021 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-11-28 03:19:11,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:11,043 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2020-11-28 03:19:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:19:11,046 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-28 03:19:11,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:11,058 INFO L225 Difference]: With dead ends: 35 [2020-11-28 03:19:11,058 INFO L226 Difference]: Without dead ends: 15 [2020-11-28 03:19:11,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:11,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-28 03:19:11,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-28 03:19:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:19:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-11-28 03:19:11,103 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 9 [2020-11-28 03:19:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:11,103 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-11-28 03:19:11,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:19:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-11-28 03:19:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:19:11,104 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:11,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:11,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:11,105 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:11,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:11,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1182791572, now seen corresponding path program 1 times [2020-11-28 03:19:11,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:11,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658078812] [2020-11-28 03:19:11,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:11,146 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:19:11,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355054510] [2020-11-28 03:19:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/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 [2020-11-28 03:19:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:11,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:19:11,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:19:11,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:11,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658078812] [2020-11-28 03:19:11,428 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:19:11,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355054510] [2020-11-28 03:19:11,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:11,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:11,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501074556] [2020-11-28 03:19:11,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:19:11,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:11,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:19:11,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:19:11,432 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2020-11-28 03:19:11,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:11,535 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2020-11-28 03:19:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:11,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-28 03:19:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:11,537 INFO L225 Difference]: With dead ends: 22 [2020-11-28 03:19:11,537 INFO L226 Difference]: Without dead ends: 20 [2020-11-28 03:19:11,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:11,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-28 03:19:11,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2020-11-28 03:19:11,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-28 03:19:11,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-11-28 03:19:11,542 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 9 [2020-11-28 03:19:11,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:11,543 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-11-28 03:19:11,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:19:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-11-28 03:19:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:19:11,544 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:11,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:11,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 03:19:11,754 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:11,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:11,755 INFO L82 PathProgramCache]: Analyzing trace with hash 637879096, now seen corresponding path program 1 times [2020-11-28 03:19:11,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:11,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486128970] [2020-11-28 03:19:11,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:11,781 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:19:11,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186395519] [2020-11-28 03:19:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/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 [2020-11-28 03:19:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:11,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:19:11,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:19:11,871 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:19:11,871 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:19:12,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:19:12,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:12 BoogieIcfgContainer [2020-11-28 03:19:12,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:19:12,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:12,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:12,124 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:12,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:10" (3/4) ... [2020-11-28 03:19:12,132 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:19:12,183 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_254d68ed-efaf-4aa2-89f2-1b63e994629d/bin/uautomizer/witness.graphml [2020-11-28 03:19:12,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:12,185 INFO L168 Benchmark]: Toolchain (without parser) took 2199.47 ms. Allocated memory is still 115.3 MB. Free memory was 85.2 MB in the beginning and 72.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,186 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 88.1 MB. Free memory was 47.9 MB in the beginning and 47.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:12,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.49 ms. Allocated memory is still 115.3 MB. Free memory was 84.9 MB in the beginning and 93.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.86 ms. Allocated memory is still 115.3 MB. Free memory was 93.0 MB in the beginning and 91.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,188 INFO L168 Benchmark]: Boogie Preprocessor took 23.61 ms. Allocated memory is still 115.3 MB. Free memory was 91.3 MB in the beginning and 90.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:12,188 INFO L168 Benchmark]: RCFGBuilder took 376.39 ms. Allocated memory is still 115.3 MB. Free memory was 90.3 MB in the beginning and 77.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,189 INFO L168 Benchmark]: TraceAbstraction took 1411.53 ms. Allocated memory is still 115.3 MB. Free memory was 77.3 MB in the beginning and 75.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,190 INFO L168 Benchmark]: Witness Printer took 59.50 ms. Allocated memory is still 115.3 MB. Free memory was 74.8 MB in the beginning and 72.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:12,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 88.1 MB. Free memory was 47.9 MB in the beginning and 47.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 280.49 ms. Allocated memory is still 115.3 MB. Free memory was 84.9 MB in the beginning and 93.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.86 ms. Allocated memory is still 115.3 MB. Free memory was 93.0 MB in the beginning and 91.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.61 ms. Allocated memory is still 115.3 MB. Free memory was 91.3 MB in the beginning and 90.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 376.39 ms. Allocated memory is still 115.3 MB. Free memory was 90.3 MB in the beginning and 77.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1411.53 ms. Allocated memory is still 115.3 MB. Free memory was 77.3 MB in the beginning and 75.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. * Witness Printer took 59.50 ms. Allocated memory is still 115.3 MB. Free memory was 74.8 MB in the beginning and 72.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L23] unsigned int z, k; [L24] long long x, y, c; [L25] z = __VERIFIER_nondet_unsigned_int() [L13] COND FALSE !(!cond) [L27] k = __VERIFIER_nondet_unsigned_int() [L13] COND FALSE !(!cond) [L30] x = 1 [L31] y = z [L32] c = 1 [L34] COND TRUE 1 [L16] COND FALSE !(!(cond)) [L37] COND TRUE !(c < k) [L46] x = x * (z - 1) [L16] COND TRUE !(cond) [L9] __assert_fail("0", "geo1-u.c", 9, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 5 SDslu, 20 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 208 SizeOfPredicates, 5 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...