./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.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_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/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 a7664168ac0de7728cbdac7ef45de427a39ec6d8 .......................................................................................................................................................................................................................................................................................................................................... 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 03:03:40,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:40,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:40,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:40,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:40,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:40,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:40,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:40,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:40,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:40,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:40,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:40,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:40,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:40,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:40,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:40,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:40,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:40,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:40,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:40,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:40,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:40,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:40,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:40,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:40,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:40,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:40,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:40,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:40,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:40,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:40,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:40,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:40,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:40,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:40,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:40,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:40,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:40,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:40,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:40,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:40,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:03:40,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:40,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:40,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:40,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:40,193 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:40,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:40,194 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:03:40,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:03:40,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:03:40,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:40,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:03:40,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:03:40,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:03:40,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:03:40,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:40,196 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:40,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:03:40,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:40,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:40,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:03:40,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:03:40,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:40,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:40,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:03:40,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:03:40,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:03:40,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:03:40,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:03:40,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:40,200 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_ab40776d-0fa1-415a-9316-be03010f0cf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7664168ac0de7728cbdac7ef45de427a39ec6d8 [2020-11-28 03:03:40,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:40,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:40,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:40,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:40,451 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:40,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c [2020-11-28 03:03:40,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/data/bd6ea7a59/04d605c0561d430993168a261f0e89c7/FLAGff7daa77d [2020-11-28 03:03:41,035 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:41,037 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c [2020-11-28 03:03:41,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/data/bd6ea7a59/04d605c0561d430993168a261f0e89c7/FLAGff7daa77d [2020-11-28 03:03:41,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/data/bd6ea7a59/04d605c0561d430993168a261f0e89c7 [2020-11-28 03:03:41,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:41,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:41,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:41,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:41,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:41,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57039859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41, skipping insertion in model container [2020-11-28 03:03:41,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:41,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:41,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:41,683 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:41,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:41,714 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:41,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41 WrapperNode [2020-11-28 03:03:41,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:41,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:41,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:41,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:41,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:41,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:41,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:41,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:41,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... [2020-11-28 03:03:41,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:41,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:41,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:41,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:41,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/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 03:03:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:03:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-11-28 03:03:42,282 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:42,283 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-11-28 03:03:42,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:42 BoogieIcfgContainer [2020-11-28 03:03:42,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:03:42,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:03:42,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:03:42,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:03:42,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:03:41" (1/3) ... [2020-11-28 03:03:42,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e95946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:42, skipping insertion in model container [2020-11-28 03:03:42,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:41" (2/3) ... [2020-11-28 03:03:42,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e95946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:42, skipping insertion in model container [2020-11-28 03:03:42,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:42" (3/3) ... [2020-11-28 03:03:42,295 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-u_valuebound10.c [2020-11-28 03:03:42,306 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:03:42,311 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-28 03:03:42,323 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-28 03:03:42,360 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:03:42,361 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:03:42,361 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:03:42,361 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:03:42,362 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:03:42,363 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:03:42,363 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:03:42,363 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:03:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-28 03:03:42,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:03:42,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:42,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:42,388 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:42,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:42,395 INFO L82 PathProgramCache]: Analyzing trace with hash -594062832, now seen corresponding path program 1 times [2020-11-28 03:03:42,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:42,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129553719] [2020-11-28 03:03:42,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:42,574 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 03:03:42,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129553719] [2020-11-28 03:03:42,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:42,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:03:42,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605317570] [2020-11-28 03:03:42,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:03:42,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:42,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:03:42,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:03:42,600 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-11-28 03:03:42,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:42,619 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2020-11-28 03:03:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:03:42,621 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-28 03:03:42,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:42,631 INFO L225 Difference]: With dead ends: 35 [2020-11-28 03:03:42,631 INFO L226 Difference]: Without dead ends: 15 [2020-11-28 03:03:42,636 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 03:03:42,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-28 03:03:42,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-28 03:03:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:03:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-11-28 03:03:42,677 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 9 [2020-11-28 03:03:42,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:42,678 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-11-28 03:03:42,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:03:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-11-28 03:03:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:03:42,679 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:42,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:42,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:03:42,680 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:42,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:42,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1182791572, now seen corresponding path program 1 times [2020-11-28 03:03:42,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:42,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424637173] [2020-11-28 03:03:42,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:42,705 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:03:42,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453794858] [2020-11-28 03:03:42,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/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 03:03:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:42,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:03:42,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:42,927 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 03:03:42,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424637173] [2020-11-28 03:03:42,928 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:03:42,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453794858] [2020-11-28 03:03:42,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:42,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:03:42,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586711858] [2020-11-28 03:03:42,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:03:42,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:42,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:03:42,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:03:42,932 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2020-11-28 03:03:43,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:43,061 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2020-11-28 03:03:43,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:03:43,063 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-28 03:03:43,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:43,064 INFO L225 Difference]: With dead ends: 22 [2020-11-28 03:03:43,064 INFO L226 Difference]: Without dead ends: 20 [2020-11-28 03:03:43,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:43,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-28 03:03:43,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2020-11-28 03:03:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-28 03:03:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-11-28 03:03:43,078 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 9 [2020-11-28 03:03:43,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:43,080 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-11-28 03:03:43,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:03:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-11-28 03:03:43,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:03:43,085 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:43,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:43,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 03:03:43,300 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:43,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:43,301 INFO L82 PathProgramCache]: Analyzing trace with hash 637879096, now seen corresponding path program 1 times [2020-11-28 03:03:43,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:43,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969802548] [2020-11-28 03:03:43,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:43,355 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:03:43,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2094081192] [2020-11-28 03:03:43,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/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 03:03:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:43,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:43,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:43,576 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:43,587 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:03:43,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:03:43,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:03:43 BoogieIcfgContainer [2020-11-28 03:03:43,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:03:43,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:03:43,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:03:43,841 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:03:43,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:42" (3/4) ... [2020-11-28 03:03:43,845 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:03:43,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ab40776d-0fa1-415a-9316-be03010f0cf9/bin/uautomizer/witness.graphml [2020-11-28 03:03:43,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:03:43,911 INFO L168 Benchmark]: Toolchain (without parser) took 2505.94 ms. Allocated memory is still 127.9 MB. Free memory was 99.1 MB in the beginning and 84.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,912 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 79.7 MB. Free memory was 39.8 MB in the beginning and 39.7 MB in the end (delta: 36.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:43,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.28 ms. Allocated memory is still 127.9 MB. Free memory was 98.9 MB in the beginning and 103.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.53 ms. Allocated memory is still 127.9 MB. Free memory was 103.3 MB in the beginning and 102.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,915 INFO L168 Benchmark]: Boogie Preprocessor took 20.26 ms. Allocated memory is still 127.9 MB. Free memory was 102.0 MB in the beginning and 100.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:43,916 INFO L168 Benchmark]: RCFGBuilder took 515.83 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 88.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,917 INFO L168 Benchmark]: TraceAbstraction took 1551.29 ms. Allocated memory is still 127.9 MB. Free memory was 87.9 MB in the beginning and 86.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,918 INFO L168 Benchmark]: Witness Printer took 68.71 ms. Allocated memory is still 127.9 MB. Free memory was 86.8 MB in the beginning and 84.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:43,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 79.7 MB. Free memory was 39.8 MB in the beginning and 39.7 MB in the end (delta: 36.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.28 ms. Allocated memory is still 127.9 MB. Free memory was 98.9 MB in the beginning and 103.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.53 ms. Allocated memory is still 127.9 MB. Free memory was 103.3 MB in the beginning and 102.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.26 ms. Allocated memory is still 127.9 MB. Free memory was 102.0 MB in the beginning and 100.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 515.83 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 88.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1551.29 ms. Allocated memory is still 127.9 MB. Free memory was 87.9 MB in the beginning and 86.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Witness Printer took 68.71 ms. Allocated memory is still 127.9 MB. Free memory was 86.8 MB in the beginning and 84.7 MB in the end (delta: 2.1 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: 1.4s, 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, 0.0s 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, 0.1s SatisfiabilityAnalysisTime, 0.1s 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...