./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8843c970c14fead2ee32d56c7ad1a4a87598c42c ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8843c970c14fead2ee32d56c7ad1a4a87598c42c ......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:07:00,502 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:07:00,503 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:07:00,509 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:07:00,509 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:07:00,510 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:07:00,510 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:07:00,511 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:07:00,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:07:00,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:07:00,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:07:00,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:07:00,513 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:07:00,514 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:07:00,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:07:00,515 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:07:00,516 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:07:00,516 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:07:00,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:07:00,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:07:00,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:07:00,520 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:07:00,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:07:00,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:07:00,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:07:00,521 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:07:00,522 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:07:00,522 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:07:00,523 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:07:00,524 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:07:00,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:07:00,524 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:07:00,525 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:07:00,525 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:07:00,525 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:07:00,526 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:07:00,526 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:07:00,536 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:07:00,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:07:00,537 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:07:00,537 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:07:00,537 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:07:00,538 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:07:00,538 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:07:00,538 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:07:00,538 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:07:00,538 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:07:00,538 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:07:00,538 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:07:00,539 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:07:00,539 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:07:00,539 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:07:00,539 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:07:00,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:07:00,540 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:07:00,540 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:07:00,540 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:07:00,540 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:07:00,540 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:07:00,540 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:07:00,540 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:07:00,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:07:00,541 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:07:00,541 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:07:00,541 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:07:00,541 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:07:00,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:07:00,541 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:07:00,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:07:00,542 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:07:00,542 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:07:00,542 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:07:00,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:07:00,542 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:07:00,542 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/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(__VERIFIER_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 -> 8843c970c14fead2ee32d56c7ad1a4a87598c42c [2018-11-18 12:07:00,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:07:00,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:07:00,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:07:00,580 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:07:00,580 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:07:00,580 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-18 12:07:00,625 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data/d3cecee33/2ba12030001248469a3fcfd8951d2543/FLAG51d9d2546 [2018-11-18 12:07:01,034 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:07:01,034 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-18 12:07:01,038 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data/d3cecee33/2ba12030001248469a3fcfd8951d2543/FLAG51d9d2546 [2018-11-18 12:07:01,049 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data/d3cecee33/2ba12030001248469a3fcfd8951d2543 [2018-11-18 12:07:01,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:07:01,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:07:01,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:07:01,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:07:01,057 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:07:01,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7217af06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01, skipping insertion in model container [2018-11-18 12:07:01,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:07:01,084 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:07:01,198 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:07:01,201 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:07:01,216 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:07:01,229 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:07:01,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01 WrapperNode [2018-11-18 12:07:01,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:07:01,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:07:01,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:07:01,230 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:07:01,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:07:01,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:07:01,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:07:01,247 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:07:01,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... [2018-11-18 12:07:01,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:07:01,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:07:01,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:07:01,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:07:01,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/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 [2018-11-18 12:07:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:07:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:07:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 12:07:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:07:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 12:07:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 12:07:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:07:01,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:07:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 12:07:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:07:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 12:07:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 12:07:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:07:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:07:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:07:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:07:01,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:07:01,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:01 BoogieIcfgContainer [2018-11-18 12:07:01,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:07:01,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:07:01,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:07:01,488 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:07:01,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:07:01" (1/3) ... [2018-11-18 12:07:01,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25df5c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:07:01, skipping insertion in model container [2018-11-18 12:07:01,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:01" (2/3) ... [2018-11-18 12:07:01,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25df5c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:07:01, skipping insertion in model container [2018-11-18 12:07:01,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:01" (3/3) ... [2018-11-18 12:07:01,491 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a_true-unreach-call.c [2018-11-18 12:07:01,499 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:07:01,505 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:07:01,518 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:07:01,543 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:07:01,543 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:07:01,543 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:07:01,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:07:01,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:07:01,543 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:07:01,543 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:07:01,543 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:07:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-18 12:07:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:07:01,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:07:01,558 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:07:01,559 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:07:01,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:07:01,563 INFO L82 PathProgramCache]: Analyzing trace with hash -205430912, now seen corresponding path program 1 times [2018-11-18 12:07:01,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:07:01,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:01,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:07:01,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:01,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:07:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:07:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:07:01,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:07:01,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:07:01,650 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:07:01,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:07:01,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:07:01,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:07:01,666 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-18 12:07:01,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:07:01,679 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2018-11-18 12:07:01,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:07:01,680 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-18 12:07:01,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:07:01,685 INFO L225 Difference]: With dead ends: 54 [2018-11-18 12:07:01,685 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 12:07:01,688 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:07:01,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 12:07:01,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-18 12:07:01,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 12:07:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-11-18 12:07:01,712 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2018-11-18 12:07:01,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:07:01,712 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-11-18 12:07:01,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:07:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-11-18 12:07:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:07:01,713 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:07:01,713 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:07:01,714 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:07:01,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:07:01,714 INFO L82 PathProgramCache]: Analyzing trace with hash -2138907054, now seen corresponding path program 1 times [2018-11-18 12:07:01,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:07:01,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:01,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:07:01,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:07:01,715 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:07:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:07:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:07:01,788 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:07:01,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:07:01 BoogieIcfgContainer [2018-11-18 12:07:01,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:07:01,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:07:01,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:07:01,807 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:07:01,808 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:01" (3/4) ... [2018-11-18 12:07:01,810 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:07:01,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:07:01,811 INFO L168 Benchmark]: Toolchain (without parser) took 758.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -128.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:01,812 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:07:01,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.78 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:01,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.27 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:01,814 INFO L168 Benchmark]: Boogie Preprocessor took 56.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:01,814 INFO L168 Benchmark]: RCFGBuilder took 181.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:01,815 INFO L168 Benchmark]: TraceAbstraction took 320.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:01,815 INFO L168 Benchmark]: Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:07:01,817 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.78 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.27 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 181.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 320.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 51]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L46] float x = 1.0f / 0.0f; [L47] CALL, EXPR fabs_float(x) VAL [\old(x)=9] [L12] __uint32_t ix; VAL [\old(x)=9, x=9] [L14] FCALL ieee_float_shape_type gf_u; [L15] FCALL gf_u.value = (x) [L16] EXPR, FCALL gf_u.word [L16] (ix) = gf_u.word [L17] COND FALSE !(0) VAL [\old(x)=9, ix=3, x=9] [L19] FCALL ieee_float_shape_type sf_u; [L20] FCALL sf_u.word = (ix & 0x7fffffff) [L21] EXPR, FCALL sf_u.value [L21] (x) = sf_u.value [L22] COND FALSE !(0) VAL [\old(x)=9, ix=3, x=11] [L23] RET return x; VAL [\old(x)=9, \result=11, ix=3, x=11] [L47] EXPR fabs_float(x) VAL [fabs_float(x)=11, x=9] [L47] float res = fabs_float(x); [L50] CALL, EXPR isinf_float(res) VAL [\old(x)=11] [L28] __int32_t ix; VAL [\old(x)=11, x=11] [L30] FCALL ieee_float_shape_type gf_u; [L31] FCALL gf_u.value = (x) [L32] EXPR, FCALL gf_u.word [L32] (ix) = gf_u.word [L33] COND FALSE !(0) VAL [\old(x)=11, ix=3, x=11] [L34] ix &= 0x7fffffff [L35] RET return ((ix) == 0x7f800000L); VAL [\old(x)=11, \result=0, ix=0, x=11] [L50] EXPR isinf_float(res) VAL [isinf_float(res)=0, res=11, x=9] [L50] COND TRUE !isinf_float(res) [L51] __VERIFIER_error() VAL [res=11, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-5842f4b [2018-11-18 12:07:03,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:07:03,281 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:07:03,289 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:07:03,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:07:03,290 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:07:03,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:07:03,292 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:07:03,294 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:07:03,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:07:03,295 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:07:03,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:07:03,296 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:07:03,296 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:07:03,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:07:03,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:07:03,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:07:03,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:07:03,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:07:03,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:07:03,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:07:03,304 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:07:03,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:07:03,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:07:03,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:07:03,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:07:03,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:07:03,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:07:03,310 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:07:03,311 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:07:03,311 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:07:03,312 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:07:03,312 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:07:03,312 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:07:03,313 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:07:03,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:07:03,313 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 12:07:03,324 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:07:03,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:07:03,325 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:07:03,325 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:07:03,325 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:07:03,325 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:07:03,325 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:07:03,326 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:07:03,326 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:07:03,326 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:07:03,326 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:07:03,327 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:07:03,327 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:07:03,327 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:07:03,327 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:07:03,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:07:03,327 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:07:03,327 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:07:03,327 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:07:03,328 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:07:03,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:07:03,328 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:07:03,328 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:07:03,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:07:03,328 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:07:03,328 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:07:03,329 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:07:03,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:07:03,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:07:03,331 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:07:03,331 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:07:03,331 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:07:03,331 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:07:03,331 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:07:03,331 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:07:03,331 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/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(__VERIFIER_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 -> 8843c970c14fead2ee32d56c7ad1a4a87598c42c [2018-11-18 12:07:03,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:07:03,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:07:03,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:07:03,374 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:07:03,375 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:07:03,375 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-18 12:07:03,413 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data/96c5acb62/a9f3ddc0291f4436bc75e15921a70b97/FLAGa7a36f892 [2018-11-18 12:07:03,812 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:07:03,812 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-18 12:07:03,816 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data/96c5acb62/a9f3ddc0291f4436bc75e15921a70b97/FLAGa7a36f892 [2018-11-18 12:07:03,825 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/data/96c5acb62/a9f3ddc0291f4436bc75e15921a70b97 [2018-11-18 12:07:03,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:07:03,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:07:03,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:07:03,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:07:03,831 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:07:03,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:07:03" (1/1) ... [2018-11-18 12:07:03,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633d1a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:03, skipping insertion in model container [2018-11-18 12:07:03,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:07:03" (1/1) ... [2018-11-18 12:07:03,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:07:03,853 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:07:03,972 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:07:03,975 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:07:03,989 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:07:04,005 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:07:04,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04 WrapperNode [2018-11-18 12:07:04,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:07:04,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:07:04,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:07:04,006 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:07:04,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:07:04,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:07:04,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:07:04,024 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:07:04,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... [2018-11-18 12:07:04,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:07:04,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:07:04,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:07:04,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:07:04,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/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 [2018-11-18 12:07:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:07:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:07:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 12:07:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-18 12:07:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-18 12:07:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:07:04,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:07:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:07:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 12:07:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 12:07:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:07:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:07:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:07:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 12:07:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:07:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:07:04,276 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:07:04,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:04 BoogieIcfgContainer [2018-11-18 12:07:04,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:07:04,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:07:04,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:07:04,279 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:07:04,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:07:03" (1/3) ... [2018-11-18 12:07:04,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f08f918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:07:04, skipping insertion in model container [2018-11-18 12:07:04,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:07:04" (2/3) ... [2018-11-18 12:07:04,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f08f918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:07:04, skipping insertion in model container [2018-11-18 12:07:04,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:04" (3/3) ... [2018-11-18 12:07:04,282 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a_true-unreach-call.c [2018-11-18 12:07:04,290 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:07:04,295 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:07:04,307 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:07:04,325 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:07:04,326 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:07:04,326 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:07:04,326 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:07:04,326 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:07:04,326 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:07:04,326 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:07:04,326 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:07:04,326 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:07:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-18 12:07:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:07:04,340 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:07:04,341 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:07:04,342 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:07:04,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:07:04,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1174642170, now seen corresponding path program 1 times [2018-11-18 12:07:04,348 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:07:04,349 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/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 [2018-11-18 12:07:04,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:07:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:07:04,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:07:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:07:04,412 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:07:04,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:07:04,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:07:04,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:07:04,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:07:04,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:07:04,433 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-18 12:07:04,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:07:04,447 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2018-11-18 12:07:04,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:07:04,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 12:07:04,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:07:04,453 INFO L225 Difference]: With dead ends: 52 [2018-11-18 12:07:04,453 INFO L226 Difference]: Without dead ends: 26 [2018-11-18 12:07:04,455 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:07:04,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-18 12:07:04,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-18 12:07:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-18 12:07:04,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-11-18 12:07:04,482 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 22 [2018-11-18 12:07:04,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:07:04,483 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-11-18 12:07:04,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:07:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-11-18 12:07:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:07:04,483 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:07:04,483 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:07:04,484 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:07:04,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:07:04,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1830160736, now seen corresponding path program 1 times [2018-11-18 12:07:04,485 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:07:04,485 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 12:07:04,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:07:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:07:04,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:07:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:07:04,855 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:07:04,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:07:04,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-18 12:07:04,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 12:07:04,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 12:07:04,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:07:04,864 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 13 states. [2018-11-18 12:07:05,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:07:05,384 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-11-18 12:07:05,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 12:07:05,384 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-11-18 12:07:05,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:07:05,384 INFO L225 Difference]: With dead ends: 26 [2018-11-18 12:07:05,385 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:07:05,386 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-11-18 12:07:05,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:07:05,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:07:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:07:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:07:05,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-18 12:07:05,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:07:05,387 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:07:05,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 12:07:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:07:05,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:07:05,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:07:05,464 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2018-11-18 12:07:05,464 INFO L421 ceAbstractionStarter]: At program point L29-3(lines 29 33) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-18 12:07:05,464 INFO L425 ceAbstractionStarter]: For program point L29-4(lines 29 33) no Hoare annotation was computed. [2018-11-18 12:07:05,464 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 27 36) the Hoare annotation is: true [2018-11-18 12:07:05,465 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 27 36) no Hoare annotation was computed. [2018-11-18 12:07:05,465 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 27 36) no Hoare annotation was computed. [2018-11-18 12:07:05,465 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:07:05,465 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:07:05,465 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:07:05,465 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 11 24) no Hoare annotation was computed. [2018-11-18 12:07:05,465 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-11-18 12:07:05,465 INFO L421 ceAbstractionStarter]: At program point L13-3(lines 13 17) the Hoare annotation is: (= fabs_float_~x |fabs_float_#in~x|) [2018-11-18 12:07:05,465 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 11 24) no Hoare annotation was computed. [2018-11-18 12:07:05,466 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 11 24) the Hoare annotation is: true [2018-11-18 12:07:05,466 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2018-11-18 12:07:05,466 INFO L425 ceAbstractionStarter]: For program point L18-2(lines 11 24) no Hoare annotation was computed. [2018-11-18 12:07:05,466 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2018-11-18 12:07:05,466 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:07:05,466 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:07:05,466 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:07:05,466 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:07:05,467 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2018-11-18 12:07:05,467 INFO L421 ceAbstractionStarter]: At program point L47(line 47) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-11-18 12:07:05,467 INFO L425 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-11-18 12:07:05,467 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 38 56) the Hoare annotation is: true [2018-11-18 12:07:05,467 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 38 56) no Hoare annotation was computed. [2018-11-18 12:07:05,467 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 38 56) no Hoare annotation was computed. [2018-11-18 12:07:05,467 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 51) no Hoare annotation was computed. [2018-11-18 12:07:05,467 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 12:07:05,468 INFO L421 ceAbstractionStarter]: At program point L50(line 50) the Hoare annotation is: (and (exists ((fabs_float_~ix~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) fabs_float_~ix~0) ((_ extract 30 23) fabs_float_~ix~0) ((_ extract 22 0) fabs_float_~ix~0)) (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= main_~res~0 (let ((.cse0 (bvand (_ bv2147483647 32) fabs_float_~ix~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))))) (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) [2018-11-18 12:07:05,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:07:05 BoogieIcfgContainer [2018-11-18 12:07:05,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:07:05,480 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:07:05,480 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:07:05,481 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:07:05,481 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:07:04" (3/4) ... [2018-11-18 12:07:05,484 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:07:05,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-18 12:07:05,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:07:05,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 12:07:05,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:07:05,495 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 12:07:05,495 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:07:05,495 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:07:05,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 12:07:05,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 12:07:05,536 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c0910688-fcb2-4e02-b556-7d679ad8f3c1/bin-2019/utaipan/witness.graphml [2018-11-18 12:07:05,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:07:05,537 INFO L168 Benchmark]: Toolchain (without parser) took 1709.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 947.9 MB in the beginning and 1.0 GB in the end (delta: -57.3 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:05,538 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:07:05,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.25 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:05,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.11 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:07:05,539 INFO L168 Benchmark]: Boogie Preprocessor took 25.54 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:07:05,539 INFO L168 Benchmark]: RCFGBuilder took 227.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -200.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:05,539 INFO L168 Benchmark]: TraceAbstraction took 1202.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:05,540 INFO L168 Benchmark]: Witness Printer took 55.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:07:05,543 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.25 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.11 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.54 ms. Allocated memory is still 1.0 GB. Free memory is still 931.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 227.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 931.8 MB in the beginning and 1.1 GB in the end (delta: -200.3 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1202.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * Witness Printer took 55.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 10 SDslu, 139 SDs, 0 SdLazy, 90 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 60 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 8 QuantifiedInterpolants, 8097 SizeOfPredicates, 7 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...