./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.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_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 ............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 08add9a6524e786a6398bc07d28566d5f0a52583 ............................................................................................................................................................................................................................................ 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 [2020-11-22 13:01:11,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:11,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:11,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:11,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:11,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:11,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:11,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:11,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:11,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:11,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:11,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:11,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:11,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:11,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:11,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:11,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:11,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:11,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:11,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:11,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:11,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:11,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:11,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:11,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:11,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:11,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:11,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:11,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:11,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:11,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:11,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:11,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:11,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:11,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:11,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:11,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:11,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:11,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:11,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:11,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:11,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:01:11,566 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:11,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:11,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:11,571 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:11,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:11,572 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:11,572 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:01:11,572 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:11,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:11,572 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:01:11,574 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:01:11,574 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:11,574 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:01:11,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:01:11,581 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:01:11,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:11,582 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:01:11,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:01:11,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:01:11,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:11,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:01:11,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:11,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:01:11,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:01:11,584 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:01:11,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:01:11,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:11,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:01:11,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:11,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:11,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:11,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:11,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:11,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:11,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:01:11,588 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:01:11,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:01:11,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:01:11,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:11,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:11,589 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2020-11-22 13:01:11,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:11,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:11,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:11,904 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:11,906 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:11,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-11-22 13:01:11,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data/18fa39537/237cb09d0731468a8bc3a0ee11244116/FLAG628a19207 [2020-11-22 13:01:12,386 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:12,386 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-11-22 13:01:12,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data/18fa39537/237cb09d0731468a8bc3a0ee11244116/FLAG628a19207 [2020-11-22 13:01:12,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data/18fa39537/237cb09d0731468a8bc3a0ee11244116 [2020-11-22 13:01:12,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:12,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:12,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:12,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:12,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:12,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:12" (1/1) ... [2020-11-22 13:01:12,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8b868b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:12, skipping insertion in model container [2020-11-22 13:01:12,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:12" (1/1) ... [2020-11-22 13:01:12,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:12,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:12,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:12,981 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:01:12,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:13,007 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:01:13,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13 WrapperNode [2020-11-22 13:01:13,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:13,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:13,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:01:13,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:01:13,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:13,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:01:13,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:01:13,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:01:13,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... [2020-11-22 13:01:13,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:01:13,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:01:13,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:01:13,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:01:13,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:01:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:01:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:01:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:01:13,360 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:01:13,360 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-22 13:01:13,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:13 BoogieIcfgContainer [2020-11-22 13:01:13,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:01:13,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:01:13,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:01:13,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:01:13,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:01:12" (1/3) ... [2020-11-22 13:01:13,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526f5c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:13, skipping insertion in model container [2020-11-22 13:01:13,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:13" (2/3) ... [2020-11-22 13:01:13,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526f5c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:13, skipping insertion in model container [2020-11-22 13:01:13,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:13" (3/3) ... [2020-11-22 13:01:13,391 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-11-22 13:01:13,402 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:01:13,405 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:01:13,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:01:13,439 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:01:13,439 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:01:13,439 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:01:13,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:01:13,440 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:01:13,440 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:01:13,440 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:01:13,440 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:01:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-11-22 13:01:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-22 13:01:13,472 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:13,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-22 13:01:13,473 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:13,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:13,479 INFO L82 PathProgramCache]: Analyzing trace with hash 45331, now seen corresponding path program 1 times [2020-11-22 13:01:13,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:01:13,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842547959] [2020-11-22 13:01:13,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:01:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:13,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:13,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:13,611 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:01:13,612 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:01:13,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:01:13,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:01:13 BoogieIcfgContainer [2020-11-22 13:01:13,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:01:13,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:01:13,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:01:13,630 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:01:13,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:13" (3/4) ... [2020-11-22 13:01:13,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:01:13,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:01:13,636 INFO L168 Benchmark]: Toolchain (without parser) took 847.64 ms. Allocated memory is still 96.5 MB. Free memory was 77.0 MB in the beginning and 44.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:13,637 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:13,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.42 ms. Allocated memory is still 96.5 MB. Free memory was 76.7 MB in the beginning and 69.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:13,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.44 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 68.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:13,640 INFO L168 Benchmark]: Boogie Preprocessor took 16.83 ms. Allocated memory is still 96.5 MB. Free memory was 68.8 MB in the beginning and 67.8 MB in the end (delta: 977.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:13,640 INFO L168 Benchmark]: RCFGBuilder took 305.48 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 56.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:13,641 INFO L168 Benchmark]: TraceAbstraction took 265.69 ms. Allocated memory is still 96.5 MB. Free memory was 56.3 MB in the beginning and 45.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:13,642 INFO L168 Benchmark]: Witness Printer took 4.00 ms. Allocated memory is still 96.5 MB. Free memory was 45.1 MB in the beginning and 44.7 MB in the end (delta: 341.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:13,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 218.42 ms. Allocated memory is still 96.5 MB. Free memory was 76.7 MB in the beginning and 69.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.44 ms. Allocated memory is still 96.5 MB. Free memory was 69.9 MB in the beginning and 68.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.83 ms. Allocated memory is still 96.5 MB. Free memory was 68.8 MB in the beginning and 67.8 MB in the end (delta: 977.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 305.48 ms. Allocated memory is still 96.5 MB. Free memory was 67.8 MB in the beginning and 56.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 265.69 ms. Allocated memory is still 96.5 MB. Free memory was 56.3 MB in the beginning and 45.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.00 ms. Allocated memory is still 96.5 MB. Free memory was 45.1 MB in the beginning and 44.7 MB in the end (delta: 341.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L3] __assert_fail("0", "implicitfloatconversion.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:01:15,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:15,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:16,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:16,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:16,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:16,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:16,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:16,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:16,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:16,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:16,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:16,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:16,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:16,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:16,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:16,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:16,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:16,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:16,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:16,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:16,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:16,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:16,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:16,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:16,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:16,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:16,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:16,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:16,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:16,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:16,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:16,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:16,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:16,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:16,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:16,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:16,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:16,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:16,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:16,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:16,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:01:16,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:16,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:16,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:16,153 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:16,153 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:16,154 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:16,154 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:16,154 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:16,154 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:16,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:16,156 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:01:16,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:01:16,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:16,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:01:16,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:16,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:01:16,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:01:16,158 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:01:16,158 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:01:16,158 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:01:16,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:01:16,159 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:16,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:01:16,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:16,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:01:16,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:16,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:16,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:16,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:16,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:16,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:01:16,161 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:01:16,161 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:01:16,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:01:16,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:16,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:16,162 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08add9a6524e786a6398bc07d28566d5f0a52583 [2020-11-22 13:01:16,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:16,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:16,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:16,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:16,544 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:16,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-11-22 13:01:16,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data/eaed367e4/91947bbb10e6412cbda8d0bd5956b705/FLAGdda8f4e5a [2020-11-22 13:01:17,067 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:17,068 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2020-11-22 13:01:17,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data/eaed367e4/91947bbb10e6412cbda8d0bd5956b705/FLAGdda8f4e5a [2020-11-22 13:01:17,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/data/eaed367e4/91947bbb10e6412cbda8d0bd5956b705 [2020-11-22 13:01:17,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:17,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:17,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:17,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:17,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:17,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5067084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17, skipping insertion in model container [2020-11-22 13:01:17,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:17,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:17,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:17,631 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:01:17,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:01:17,662 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:01:17,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17 WrapperNode [2020-11-22 13:01:17,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:17,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:17,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:01:17,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:01:17,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:01:17,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:01:17,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:01:17,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:01:17,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... [2020-11-22 13:01:17,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:01:17,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:01:17,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:01:17,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:01:17,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:01:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:01:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:01:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:01:18,132 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:01:18,133 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-22 13:01:18,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:18 BoogieIcfgContainer [2020-11-22 13:01:18,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:01:18,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:01:18,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:01:18,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:01:18,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:01:17" (1/3) ... [2020-11-22 13:01:18,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce0957b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:18, skipping insertion in model container [2020-11-22 13:01:18,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:17" (2/3) ... [2020-11-22 13:01:18,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce0957b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:01:18, skipping insertion in model container [2020-11-22 13:01:18,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:18" (3/3) ... [2020-11-22 13:01:18,145 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2020-11-22 13:01:18,161 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:01:18,165 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:01:18,176 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:01:18,211 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:01:18,212 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:01:18,213 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:01:18,213 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:01:18,213 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:01:18,213 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:01:18,214 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:01:18,214 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:01:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-11-22 13:01:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-22 13:01:18,233 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:01:18,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-22 13:01:18,234 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:01:18,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:01:18,240 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2020-11-22 13:01:18,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:01:18,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026486355] [2020-11-22 13:01:18,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 13:01:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:18,392 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:01:18,424 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:01:18,460 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 13:01:18,460 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:01:18,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:01:18,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:01:18 BoogieIcfgContainer [2020-11-22 13:01:18,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:01:18,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:01:18,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:01:18,687 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:01:18,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:01:18" (3/4) ... [2020-11-22 13:01:18,690 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-22 13:01:18,743 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_59436180-80c6-456a-88cf-cd38833186f2/bin/utaipan/witness.graphml [2020-11-22 13:01:18,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:01:18,746 INFO L168 Benchmark]: Toolchain (without parser) took 1295.92 ms. Allocated memory is still 77.6 MB. Free memory was 56.4 MB in the beginning and 54.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 482.5 kB. Max. memory is 16.1 GB. [2020-11-22 13:01:18,746 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 54.5 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:18,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.28 ms. Allocated memory is still 77.6 MB. Free memory was 56.1 MB in the beginning and 46.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:18,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.35 ms. Allocated memory is still 77.6 MB. Free memory was 46.7 MB in the beginning and 45.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:18,749 INFO L168 Benchmark]: Boogie Preprocessor took 99.99 ms. Allocated memory is still 77.6 MB. Free memory was 45.3 MB in the beginning and 60.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:18,750 INFO L168 Benchmark]: RCFGBuilder took 338.03 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 50.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:18,751 INFO L168 Benchmark]: TraceAbstraction took 547.13 ms. Allocated memory is still 77.6 MB. Free memory was 50.5 MB in the beginning and 56.5 MB in the end (delta: -6.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:18,751 INFO L168 Benchmark]: Witness Printer took 56.90 ms. Allocated memory is still 77.6 MB. Free memory was 56.5 MB in the beginning and 54.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:18,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 54.5 MB. Free memory is still 35.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 213.28 ms. Allocated memory is still 77.6 MB. Free memory was 56.1 MB in the beginning and 46.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.35 ms. Allocated memory is still 77.6 MB. Free memory was 46.7 MB in the beginning and 45.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.99 ms. Allocated memory is still 77.6 MB. Free memory was 45.3 MB in the beginning and 60.9 MB in the end (delta: -15.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 338.03 ms. Allocated memory is still 77.6 MB. Free memory was 60.9 MB in the beginning and 50.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 547.13 ms. Allocated memory is still 77.6 MB. Free memory was 50.5 MB in the beginning and 56.5 MB in the end (delta: -6.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 56.90 ms. Allocated memory is still 77.6 MB. Free memory was 56.5 MB in the beginning and 54.7 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L3] __assert_fail("0", "implicitfloatconversion.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...