./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --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_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/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 4ca9b729f2ec82a71f4bbd71180c30ba5c27c5d4 .............................................................................................................................................................................................................................................................................................................................. 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 03:01:35,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:01:35,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:01:35,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:01:35,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:01:35,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:01:35,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:01:35,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:01:35,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:01:35,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:01:35,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:01:35,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:01:35,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:01:35,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:01:35,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:01:35,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:01:35,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:01:35,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:01:35,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:01:35,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:01:35,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:01:35,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:01:35,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:01:35,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:01:35,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:01:35,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:01:35,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:01:35,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:01:35,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:01:35,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:01:35,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:01:35,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:01:35,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:01:35,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:01:35,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:01:35,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:01:35,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:01:35,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:01:35,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:01:35,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:01:35,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:01:35,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:01:35,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:01:35,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:01:35,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:01:35,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:01:35,585 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:01:35,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:01:35,586 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:01:35,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:01:35,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:01:35,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:01:35,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:01:35,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:01:35,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:01:35,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:01:35,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:01:35,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:01:35,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:01:35,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:01:35,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:01:35,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:01:35,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:01:35,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:01:35,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:01:35,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:01:35,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:01:35,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:01:35,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:01:35,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:01:35,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:01:35,592 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_4cf86313-a35e-4137-ae2b-1d6a89a05e70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ca9b729f2ec82a71f4bbd71180c30ba5c27c5d4 [2020-11-28 03:01:35,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:01:35,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:01:35,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:01:35,992 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:01:35,994 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:01:35,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2020-11-28 03:01:36,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/data/df874fb25/db3bab551de04d91ab9be7b68cf05662/FLAGadf7f83d9 [2020-11-28 03:01:36,793 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:01:36,794 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2020-11-28 03:01:36,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/data/df874fb25/db3bab551de04d91ab9be7b68cf05662/FLAGadf7f83d9 [2020-11-28 03:01:37,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/data/df874fb25/db3bab551de04d91ab9be7b68cf05662 [2020-11-28 03:01:37,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:01:37,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:01:37,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:37,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:01:37,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:01:37,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f37de2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37, skipping insertion in model container [2020-11-28 03:01:37,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:01:37,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:01:37,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:37,448 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:01:37,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:37,483 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:01:37,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37 WrapperNode [2020-11-28 03:01:37,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:37,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:37,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:01:37,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:01:37,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:37,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:01:37,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:01:37,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:01:37,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... [2020-11-28 03:01:37,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:01:37,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:01:37,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:01:37,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:01:37,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/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 03:01:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:01:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:01:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:01:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:01:38,019 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:01:38,020 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:01:38,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:38 BoogieIcfgContainer [2020-11-28 03:01:38,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:01:38,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:01:38,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:01:38,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:01:38,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:01:37" (1/3) ... [2020-11-28 03:01:38,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab52c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:38, skipping insertion in model container [2020-11-28 03:01:38,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:37" (2/3) ... [2020-11-28 03:01:38,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab52c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:38, skipping insertion in model container [2020-11-28 03:01:38,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:38" (3/3) ... [2020-11-28 03:01:38,058 INFO L111 eAbstractionObserver]: Analyzing ICFG test_while_int.c_1.i [2020-11-28 03:01:38,088 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:01:38,093 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:01:38,123 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:01:38,183 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:01:38,183 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:01:38,184 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:01:38,184 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:01:38,184 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:01:38,184 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:01:38,184 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:01:38,185 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:01:38,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-28 03:01:38,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 03:01:38,211 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:38,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 03:01:38,213 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:38,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:38,228 INFO L82 PathProgramCache]: Analyzing trace with hash 28699818, now seen corresponding path program 1 times [2020-11-28 03:01:38,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:38,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994069513] [2020-11-28 03:01:38,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:38,486 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 03:01:38,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994069513] [2020-11-28 03:01:38,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:38,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:01:38,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481533580] [2020-11-28 03:01:38,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:01:38,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:38,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:01:38,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:38,520 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2020-11-28 03:01:38,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:38,590 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2020-11-28 03:01:38,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:01:38,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-11-28 03:01:38,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:38,601 INFO L225 Difference]: With dead ends: 22 [2020-11-28 03:01:38,601 INFO L226 Difference]: Without dead ends: 9 [2020-11-28 03:01:38,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:38,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-11-28 03:01:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-11-28 03:01:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:01:38,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-28 03:01:38,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2020-11-28 03:01:38,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:38,648 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-11-28 03:01:38,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:01:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-28 03:01:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:01:38,650 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:38,650 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-11-28 03:01:38,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:01:38,651 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:38,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:38,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1810655527, now seen corresponding path program 1 times [2020-11-28 03:01:38,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:38,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026981162] [2020-11-28 03:01:38,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:38,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026981162] [2020-11-28 03:01:38,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546567527] [2020-11-28 03:01:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/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 03:01:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:38,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:01:38,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:38,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:38,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:01:38,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-11-28 03:01:38,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17930517] [2020-11-28 03:01:38,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:01:38,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:38,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:01:38,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:38,896 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 6 states. [2020-11-28 03:01:38,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:38,931 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-11-28 03:01:38,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:38,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2020-11-28 03:01:38,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:38,933 INFO L225 Difference]: With dead ends: 13 [2020-11-28 03:01:38,934 INFO L226 Difference]: Without dead ends: 11 [2020-11-28 03:01:38,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:01:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-28 03:01:38,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-11-28 03:01:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-28 03:01:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-28 03:01:38,941 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2020-11-28 03:01:38,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:38,943 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-11-28 03:01:38,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:01:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-28 03:01:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:01:38,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:38,946 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-11-28 03:01:39,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 03:01:39,160 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:39,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:39,160 INFO L82 PathProgramCache]: Analyzing trace with hash 578140772, now seen corresponding path program 2 times [2020-11-28 03:01:39,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:39,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064825332] [2020-11-28 03:01:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:39,200 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:01:39,228 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:01:39,254 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:01:39,254 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:01:39,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:01:39,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:01:39 BoogieIcfgContainer [2020-11-28 03:01:39,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:01:39,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:01:39,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:01:39,287 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:01:39,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:38" (3/4) ... [2020-11-28 03:01:39,290 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:01:39,359 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4cf86313-a35e-4137-ae2b-1d6a89a05e70/bin/uautomizer/witness.graphml [2020-11-28 03:01:39,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:01:39,364 INFO L168 Benchmark]: Toolchain (without parser) took 2219.71 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 70.1 MB in the beginning and 63.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:39,366 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 96.5 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:39,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.07 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 69.7 MB in the beginning and 116.7 MB in the end (delta: -47.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:39,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.26 ms. Allocated memory is still 138.4 MB. Free memory was 116.1 MB in the beginning and 115.1 MB in the end (delta: 999.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:39,368 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 ms. Allocated memory is still 138.4 MB. Free memory was 115.1 MB in the beginning and 114.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:39,368 INFO L168 Benchmark]: RCFGBuilder took 466.35 ms. Allocated memory is still 138.4 MB. Free memory was 114.0 MB in the beginning and 103.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:39,369 INFO L168 Benchmark]: TraceAbstraction took 1262.00 ms. Allocated memory is still 138.4 MB. Free memory was 103.0 MB in the beginning and 65.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:39,370 INFO L168 Benchmark]: Witness Printer took 76.60 ms. Allocated memory is still 138.4 MB. Free memory was 65.3 MB in the beginning and 63.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:39,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 96.5 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 334.07 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 69.7 MB in the beginning and 116.7 MB in the end (delta: -47.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.26 ms. Allocated memory is still 138.4 MB. Free memory was 116.1 MB in the beginning and 115.1 MB in the end (delta: 999.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.94 ms. Allocated memory is still 138.4 MB. Free memory was 115.1 MB in the beginning and 114.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 466.35 ms. Allocated memory is still 138.4 MB. Free memory was 114.0 MB in the beginning and 103.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1262.00 ms. Allocated memory is still 138.4 MB. Free memory was 103.0 MB in the beginning and 65.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Witness Printer took 76.60 ms. Allocated memory is still 138.4 MB. Free memory was 65.3 MB in the beginning and 63.7 MB in the end (delta: 1.6 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int i=0; [L15] COND TRUE i<5 [L16] i++ [L18] (i!=3) ? (0) : __blast_assert () [L15] COND TRUE i<5 [L16] i++ [L18] (i!=3) ? (0) : __blast_assert () [L15] COND TRUE i<5 [L16] i++ [L18] (i!=3) ? (0) : __blast_assert () [L3] __assert_fail("0", "test_while_int.c_1.i", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 16 SDs, 0 SdLazy, 21 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 1 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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...