./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_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_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/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 3c3794d6019e92717a5ca8c9c9457e833b63e739 ........................................................................................................................................................................................................................................................................................................................................................................ 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_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/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 3c3794d6019e92717a5ca8c9c9457e833b63e739 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:59:02,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:59:02,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:59:02,287 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:59:02,287 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:59:02,288 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:59:02,289 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:59:02,290 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:59:02,291 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:59:02,292 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:59:02,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:59:02,293 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:59:02,293 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:59:02,294 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:59:02,295 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:59:02,295 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:59:02,296 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:59:02,298 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:59:02,299 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:59:02,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:59:02,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:59:02,302 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:59:02,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:59:02,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:59:02,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:59:02,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:59:02,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:59:02,306 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:59:02,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:59:02,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:59:02,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:59:02,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:59:02,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:59:02,308 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:59:02,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:59:02,309 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:59:02,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:59:02,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:59:02,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:59:02,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:59:02,317 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:59:02,317 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:59:02,318 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:59:02,318 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:59:02,318 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:59:02,318 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:59:02,318 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:59:02,318 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:59:02,319 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:59:02,319 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:59:02,319 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:59:02,319 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:59:02,319 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:59:02,320 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:59:02,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:59:02,320 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:59:02,320 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:59:02,320 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:59:02,320 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:59:02,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:59:02,322 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:59:02,323 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:59:02,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:59:02,323 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:59:02,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:59:02,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:59:02,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:59:02,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:59:02,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:59:02,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:59:02,324 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:59:02,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:59:02,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:59:02,324 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:59:02,325 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_7a052386-0048-4ef8-8a90-56881d9b281f/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 -> 3c3794d6019e92717a5ca8c9c9457e833b63e739 [2018-11-18 17:59:02,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:59:02,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:59:02,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:59:02,360 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:59:02,361 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:59:02,361 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-11-18 17:59:02,398 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data/84e7d57ed/a3300861839f4167b10e8b3a94448000/FLAG7e960b808 [2018-11-18 17:59:02,791 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:59:02,792 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-11-18 17:59:02,796 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data/84e7d57ed/a3300861839f4167b10e8b3a94448000/FLAG7e960b808 [2018-11-18 17:59:02,804 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data/84e7d57ed/a3300861839f4167b10e8b3a94448000 [2018-11-18 17:59:02,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:59:02,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:59:02,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:59:02,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:59:02,809 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:59:02,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:59:02" (1/1) ... [2018-11-18 17:59:02,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602e9054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:02, skipping insertion in model container [2018-11-18 17:59:02,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:59:02" (1/1) ... [2018-11-18 17:59:02,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:59:02,835 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:59:02,969 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:59:02,971 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:59:03,008 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:59:03,024 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:59:03,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03 WrapperNode [2018-11-18 17:59:03,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:59:03,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:59:03,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:59:03,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:59:03,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:59:03,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:59:03,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:59:03,085 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:59:03,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... [2018-11-18 17:59:03,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:59:03,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:59:03,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:59:03,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:59:03,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/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 17:59:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-11-18 17:59:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-11-18 17:59:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:59:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:59:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 17:59:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 17:59:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:59:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:59:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 17:59:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:59:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 17:59:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 17:59:03,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:59:03,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:59:03 BoogieIcfgContainer [2018-11-18 17:59:03,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:59:03,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:59:03,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:59:03,559 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:59:03,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:59:02" (1/3) ... [2018-11-18 17:59:03,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7489eaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:59:03, skipping insertion in model container [2018-11-18 17:59:03,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:03" (2/3) ... [2018-11-18 17:59:03,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7489eaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:59:03, skipping insertion in model container [2018-11-18 17:59:03,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:59:03" (3/3) ... [2018-11-18 17:59:03,561 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a_true-unreach-call.c [2018-11-18 17:59:03,569 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:59:03,576 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:59:03,589 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:59:03,615 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:59:03,615 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:59:03,616 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:59:03,616 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:59:03,616 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:59:03,616 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:59:03,616 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:59:03,616 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:59:03,632 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2018-11-18 17:59:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 17:59:03,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:59:03,638 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:59:03,640 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:59:03,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:59:03,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1144088505, now seen corresponding path program 1 times [2018-11-18 17:59:03,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:59:03,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:59:03,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:59:03,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:59:03,687 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:59:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:03,757 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 17:59:03,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:59:03,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:59:03,759 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:59:03,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:59:03,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:59:03,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:59:03,776 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2018-11-18 17:59:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:59:03,802 INFO L93 Difference]: Finished difference Result 214 states and 333 transitions. [2018-11-18 17:59:03,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:59:03,803 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-11-18 17:59:03,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:59:03,810 INFO L225 Difference]: With dead ends: 214 [2018-11-18 17:59:03,810 INFO L226 Difference]: Without dead ends: 106 [2018-11-18 17:59:03,813 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 17:59:03,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-18 17:59:03,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-18 17:59:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 17:59:03,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2018-11-18 17:59:03,849 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 34 [2018-11-18 17:59:03,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:59:03,850 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2018-11-18 17:59:03,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:59:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2018-11-18 17:59:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 17:59:03,851 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:59:03,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:59:03,852 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:59:03,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:59:03,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1073549159, now seen corresponding path program 1 times [2018-11-18 17:59:03,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:59:03,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:59:03,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:59:03,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:59:03,853 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:59:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:59:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:59:03,953 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:59:03,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:59:03 BoogieIcfgContainer [2018-11-18 17:59:03,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:59:03,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:59:03,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:59:03,979 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:59:03,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:59:03" (3/4) ... [2018-11-18 17:59:03,982 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:59:03,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:59:03,982 INFO L168 Benchmark]: Toolchain (without parser) took 1176.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -98.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:59:03,984 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:59:03,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.22 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:59:03,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:59:03,985 INFO L168 Benchmark]: Boogie Preprocessor took 32.39 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:59:03,985 INFO L168 Benchmark]: RCFGBuilder took 438.20 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:59:03,986 INFO L168 Benchmark]: TraceAbstraction took 421.87 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:59:03,986 INFO L168 Benchmark]: Witness Printer took 3.32 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 17:59:03,989 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.22 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -203.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.39 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 438.20 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: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 421.87 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.32 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: 239]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 211, overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 96. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418246, \old(tiny_sqrt)=10737418253, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L232] float x = 0.0f / 0.0f; [L233] float y = __VERIFIER_nondet_float(); [L235] CALL isfinite_float(y) VAL [\old(x)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L215] __int32_t ix; VAL [\old(x)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254] [L217] FCALL ieee_float_shape_type gf_u; [L218] FCALL gf_u.value = (x) [L219] EXPR, FCALL gf_u.word [L219] (ix) = gf_u.word [L220] COND FALSE !(0) VAL [\old(x)=10737418254, ix=2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254] [L221] ix &= 0x7fffffff [L222] RET return (((ix) < 0x7f800000L)); VAL [\old(x)=10737418254, \result=1, ix=2139095039, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254] [L235] isfinite_float(y) VAL [isfinite_float(y)=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, y=10737418254] [L235] COND TRUE isfinite_float(y) [L236] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418251, \old(y)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418251, b=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L86] FCALL ieee_float_shape_type gf_u; [L87] FCALL gf_u.value = (x) [L88] EXPR, FCALL gf_u.word [L88] (ha) = gf_u.word [L89] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418251, b=10737418254, ha=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418251, b=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L92] FCALL ieee_float_shape_type gf_u; [L93] FCALL gf_u.value = (y) [L94] EXPR, FCALL gf_u.word [L94] (hb) = gf_u.word [L95] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418251, b=10737418254, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418251, b=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418254, b=10737418251, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L108] FCALL ieee_float_shape_type sf_u; [L109] FCALL sf_u.word = (ha) [L110] EXPR, FCALL sf_u.value [L110] (a) = sf_u.value [L111] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418245, b=10737418251, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L113] FCALL ieee_float_shape_type sf_u; [L114] FCALL sf_u.word = (hb) [L115] EXPR, FCALL sf_u.value [L115] (b) = sf_u.value [L116] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418245, b=10737418250, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L117] COND TRUE (ha - hb) > 0xf000000L [L118] RET return a + b; VAL [\old(x)=10737418251, \old(y)=10737418254, a=10737418245, b=10737418250, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L236] EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L236] float res = __ieee754_hypotf(x, y); [L238] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L211] RET return x != x; VAL [\old(x)=10737418256, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418256] [L238] EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=10737418256, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] [L238] COND TRUE !isnan_float(res) [L239] __VERIFIER_error() VAL [one_sqrt=1, res=10737418256, tiny_sqrt=1/1000000000000000000000000000000, x=10737418251, y=10737418254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 111 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 134 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=111occurred 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, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 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 17:59:05,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:59:05,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:59:05,424 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:59:05,424 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:59:05,425 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:59:05,426 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:59:05,427 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:59:05,428 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:59:05,429 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:59:05,429 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:59:05,430 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:59:05,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:59:05,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:59:05,432 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:59:05,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:59:05,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:59:05,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:59:05,435 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:59:05,436 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:59:05,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:59:05,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:59:05,440 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:59:05,441 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:59:05,441 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:59:05,441 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:59:05,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:59:05,443 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:59:05,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:59:05,444 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:59:05,444 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:59:05,445 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:59:05,445 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:59:05,445 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:59:05,446 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:59:05,447 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:59:05,447 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:59:05,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:59:05,457 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:59:05,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:59:05,458 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:59:05,458 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:59:05,458 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:59:05,459 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:59:05,459 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:59:05,459 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:59:05,459 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:59:05,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:59:05,460 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:59:05,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:59:05,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:59:05,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:59:05,460 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:59:05,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:59:05,460 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:59:05,462 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:59:05,462 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:59:05,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:59:05,462 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:59:05,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:59:05,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:59:05,462 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:59:05,462 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:59:05,462 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:59:05,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:59:05,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:59:05,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:59:05,463 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:59:05,463 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:59:05,463 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:59:05,463 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:59:05,463 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:59:05,463 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_7a052386-0048-4ef8-8a90-56881d9b281f/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 -> 3c3794d6019e92717a5ca8c9c9457e833b63e739 [2018-11-18 17:59:05,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:59:05,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:59:05,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:59:05,501 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:59:05,501 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:59:05,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-11-18 17:59:05,536 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data/9b2b888d5/cbb4d49aa45d49d480ca71cd54b2eb0b/FLAG627bfac6a [2018-11-18 17:59:05,937 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:59:05,938 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-11-18 17:59:05,942 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data/9b2b888d5/cbb4d49aa45d49d480ca71cd54b2eb0b/FLAG627bfac6a [2018-11-18 17:59:05,953 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/data/9b2b888d5/cbb4d49aa45d49d480ca71cd54b2eb0b [2018-11-18 17:59:05,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:59:05,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:59:05,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:59:05,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:59:05,959 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:59:05,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:59:05" (1/1) ... [2018-11-18 17:59:05,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c22ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:05, skipping insertion in model container [2018-11-18 17:59:05,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:59:05" (1/1) ... [2018-11-18 17:59:05,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:59:05,990 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:59:06,149 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:59:06,153 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:59:06,195 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:59:06,213 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:59:06,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06 WrapperNode [2018-11-18 17:59:06,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:59:06,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:59:06,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:59:06,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:59:06,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:59:06,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:59:06,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:59:06,237 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:59:06,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... [2018-11-18 17:59:06,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:59:06,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:59:06,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:59:06,320 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:59:06,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/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 17:59:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-11-18 17:59:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-11-18 17:59:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:59:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:59:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 17:59:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 17:59:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 17:59:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:59:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:59:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:59:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 17:59:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:59:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:59:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 17:59:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 17:59:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 17:59:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 17:59:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:59:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 17:59:06,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 17:59:06,467 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:59:07,165 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 17:59:08,075 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:59:08,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:59:08 BoogieIcfgContainer [2018-11-18 17:59:08,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:59:08,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:59:08,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:59:08,078 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:59:08,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:59:05" (1/3) ... [2018-11-18 17:59:08,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2327da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:59:08, skipping insertion in model container [2018-11-18 17:59:08,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:59:06" (2/3) ... [2018-11-18 17:59:08,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2327da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:59:08, skipping insertion in model container [2018-11-18 17:59:08,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:59:08" (3/3) ... [2018-11-18 17:59:08,080 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a_true-unreach-call.c [2018-11-18 17:59:08,085 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:59:08,090 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:59:08,098 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:59:08,117 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:59:08,118 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:59:08,118 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:59:08,118 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:59:08,118 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:59:08,118 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:59:08,118 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:59:08,118 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:59:08,118 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:59:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-18 17:59:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 17:59:08,136 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:59:08,136 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, 1, 1, 1, 1, 1, 1] [2018-11-18 17:59:08,138 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:59:08,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:59:08,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1543648080, now seen corresponding path program 1 times [2018-11-18 17:59:08,144 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:59:08,144 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/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 17:59:08,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:59:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:08,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:59:08,255 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 17:59:08,255 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:59:08,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:59:08,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:59:08,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:59:08,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:59:08,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:59:08,277 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-11-18 17:59:08,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:59:08,302 INFO L93 Difference]: Finished difference Result 210 states and 329 transitions. [2018-11-18 17:59:08,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:59:08,303 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-11-18 17:59:08,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:59:08,310 INFO L225 Difference]: With dead ends: 210 [2018-11-18 17:59:08,310 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 17:59:08,313 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 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 17:59:08,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 17:59:08,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-18 17:59:08,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 17:59:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2018-11-18 17:59:08,346 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 32 [2018-11-18 17:59:08,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:59:08,347 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2018-11-18 17:59:08,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:59:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2018-11-18 17:59:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 17:59:08,348 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:59:08,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:59:08,349 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:59:08,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:59:08,349 INFO L82 PathProgramCache]: Analyzing trace with hash 970822700, now seen corresponding path program 1 times [2018-11-18 17:59:08,350 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:59:08,350 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/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 17:59:08,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:59:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:08,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:59:08,755 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 17:59:08,755 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:59:08,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:59:08,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:59:08,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:59:08,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:59:08,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:59:08,765 INFO L87 Difference]: Start difference. First operand 104 states and 126 transitions. Second operand 9 states. [2018-11-18 17:59:48,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:59:48,008 INFO L93 Difference]: Finished difference Result 222 states and 270 transitions. [2018-11-18 17:59:48,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 17:59:48,045 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-11-18 17:59:48,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:59:48,048 INFO L225 Difference]: With dead ends: 222 [2018-11-18 17:59:48,048 INFO L226 Difference]: Without dead ends: 168 [2018-11-18 17:59:48,049 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-18 17:59:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-11-18 17:59:48,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 125. [2018-11-18 17:59:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-18 17:59:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 150 transitions. [2018-11-18 17:59:48,065 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 150 transitions. Word has length 37 [2018-11-18 17:59:48,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:59:48,066 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 150 transitions. [2018-11-18 17:59:48,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:59:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 150 transitions. [2018-11-18 17:59:48,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 17:59:48,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:59:48,067 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:59:48,067 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:59:48,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:59:48,068 INFO L82 PathProgramCache]: Analyzing trace with hash -309040978, now seen corresponding path program 1 times [2018-11-18 17:59:48,068 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:59:48,068 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 17:59:48,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:59:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:59:48,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:59:50,246 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_hypotf_~b~0 (_ FloatingPoint 8 24)) (v___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_26) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_26) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_26)) |c___ieee754_hypotf_#in~x|) (= |c___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_26))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) __ieee754_hypotf_~b~0)))) is different from true [2018-11-18 17:59:50,923 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 17:59:50,923 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:59:50,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:59:50,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 17:59:50,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 17:59:50,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 17:59:50,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=92, Unknown=1, NotChecked=18, Total=132 [2018-11-18 17:59:50,932 INFO L87 Difference]: Start difference. First operand 125 states and 150 transitions. Second operand 12 states. [2018-11-18 17:59:53,606 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 17:59:56,583 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-18 18:00:07,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:00:07,475 INFO L93 Difference]: Finished difference Result 140 states and 168 transitions. [2018-11-18 18:00:07,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 18:00:07,508 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-11-18 18:00:07,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:00:07,510 INFO L225 Difference]: With dead ends: 140 [2018-11-18 18:00:07,510 INFO L226 Difference]: Without dead ends: 133 [2018-11-18 18:00:07,510 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=62, Invalid=283, Unknown=1, NotChecked=34, Total=380 [2018-11-18 18:00:07,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-18 18:00:07,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 125. [2018-11-18 18:00:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-18 18:00:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2018-11-18 18:00:07,521 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 37 [2018-11-18 18:00:07,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:00:07,521 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2018-11-18 18:00:07,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 18:00:07,521 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2018-11-18 18:00:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 18:00:07,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:00:07,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:00:07,522 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:00:07,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:00:07,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1333316845, now seen corresponding path program 1 times [2018-11-18 18:00:07,523 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:00:07,523 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 18:00:07,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:00:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:07,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:00:07,940 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 18:00:07,940 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:00:07,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:00:07,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-18 18:00:07,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 18:00:07,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 18:00:07,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-11-18 18:00:07,949 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 14 states. [2018-11-18 18:00:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:00:23,686 INFO L93 Difference]: Finished difference Result 174 states and 205 transitions. [2018-11-18 18:00:23,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 18:00:23,719 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2018-11-18 18:00:23,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:00:23,720 INFO L225 Difference]: With dead ends: 174 [2018-11-18 18:00:23,720 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 18:00:23,720 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2018-11-18 18:00:23,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 18:00:23,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 126. [2018-11-18 18:00:23,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 18:00:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 149 transitions. [2018-11-18 18:00:23,731 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 149 transitions. Word has length 42 [2018-11-18 18:00:23,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:00:23,731 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 149 transitions. [2018-11-18 18:00:23,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 18:00:23,731 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 149 transitions. [2018-11-18 18:00:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 18:00:23,732 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:00:23,735 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:00:23,736 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:00:23,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:00:23,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1216732973, now seen corresponding path program 1 times [2018-11-18 18:00:23,736 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:00:23,736 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 18:00:23,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:00:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:23,815 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:00:23,882 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 18:00:23,882 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:00:23,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:00:23,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 18:00:23,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 18:00:23,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 18:00:23,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 18:00:23,897 INFO L87 Difference]: Start difference. First operand 126 states and 149 transitions. Second operand 7 states. [2018-11-18 18:00:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:00:33,231 INFO L93 Difference]: Finished difference Result 140 states and 162 transitions. [2018-11-18 18:00:33,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 18:00:33,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2018-11-18 18:00:33,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:00:33,268 INFO L225 Difference]: With dead ends: 140 [2018-11-18 18:00:33,268 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 18:00:33,269 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 18:00:33,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 18:00:33,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2018-11-18 18:00:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 18:00:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2018-11-18 18:00:33,277 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 42 [2018-11-18 18:00:33,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:00:33,278 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2018-11-18 18:00:33,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 18:00:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2018-11-18 18:00:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 18:00:33,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:00:33,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:00:33,279 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:00:33,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:00:33,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1474898411, now seen corresponding path program 1 times [2018-11-18 18:00:33,280 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:00:33,280 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 18:00:33,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:00:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:33,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:00:33,625 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-11-18 18:00:34,963 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 18:00:34,963 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:00:34,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:00:34,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 18:00:34,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 18:00:34,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 18:00:34,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-18 18:00:34,972 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 12 states. [2018-11-18 18:00:35,844 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-11-18 18:00:37,363 WARN L180 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2018-11-18 18:00:39,445 WARN L180 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-18 18:00:53,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:00:53,795 INFO L93 Difference]: Finished difference Result 169 states and 198 transitions. [2018-11-18 18:00:53,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 18:00:53,796 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-11-18 18:00:53,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:00:53,797 INFO L225 Difference]: With dead ends: 169 [2018-11-18 18:00:53,797 INFO L226 Difference]: Without dead ends: 159 [2018-11-18 18:00:53,797 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-11-18 18:00:53,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-18 18:00:53,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 122. [2018-11-18 18:00:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 18:00:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2018-11-18 18:00:53,808 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 42 [2018-11-18 18:00:53,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:00:53,808 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2018-11-18 18:00:53,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 18:00:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2018-11-18 18:00:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 18:00:53,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:00:53,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:00:53,809 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:00:53,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:00:53,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1749801007, now seen corresponding path program 1 times [2018-11-18 18:00:53,810 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:00:53,810 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 18:00:53,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:00:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:00:53,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:00:53,983 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 18:00:53,983 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:00:53,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:00:53,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 18:00:53,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:00:53,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:00:53,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:00:53,991 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 9 states. [2018-11-18 18:01:23,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:01:23,005 INFO L93 Difference]: Finished difference Result 191 states and 222 transitions. [2018-11-18 18:01:23,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 18:01:23,006 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-11-18 18:01:23,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:01:23,007 INFO L225 Difference]: With dead ends: 191 [2018-11-18 18:01:23,007 INFO L226 Difference]: Without dead ends: 181 [2018-11-18 18:01:23,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-18 18:01:23,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-11-18 18:01:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 129. [2018-11-18 18:01:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-18 18:01:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2018-11-18 18:01:23,017 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 45 [2018-11-18 18:01:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:01:23,018 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2018-11-18 18:01:23,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:01:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2018-11-18 18:01:23,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 18:01:23,018 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:01:23,018 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:01:23,019 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:01:23,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:01:23,019 INFO L82 PathProgramCache]: Analyzing trace with hash -55637327, now seen corresponding path program 1 times [2018-11-18 18:01:23,019 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:01:23,019 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 18:01:23,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:01:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:01:23,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:01:23,243 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 18:01:23,243 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:01:23,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:01:23,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 18:01:23,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 18:01:23,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 18:01:23,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 18:01:23,254 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 7 states. [2018-11-18 18:01:31,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:01:31,914 INFO L93 Difference]: Finished difference Result 223 states and 264 transitions. [2018-11-18 18:01:31,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 18:01:31,945 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-11-18 18:01:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:01:31,946 INFO L225 Difference]: With dead ends: 223 [2018-11-18 18:01:31,946 INFO L226 Difference]: Without dead ends: 156 [2018-11-18 18:01:31,947 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-18 18:01:31,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-18 18:01:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 113. [2018-11-18 18:01:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-18 18:01:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2018-11-18 18:01:31,961 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 45 [2018-11-18 18:01:31,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:01:31,961 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2018-11-18 18:01:31,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 18:01:31,962 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2018-11-18 18:01:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 18:01:31,963 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:01:31,963 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, 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, 1, 1] [2018-11-18 18:01:31,963 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:01:31,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:01:31,963 INFO L82 PathProgramCache]: Analyzing trace with hash 34102254, now seen corresponding path program 1 times [2018-11-18 18:01:31,964 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:01:31,964 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-18 18:01:31,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:01:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:01:32,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:01:32,578 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 18:01:32,578 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:01:32,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:01:32,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 18:01:32,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 18:01:32,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 18:01:32,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 18:01:32,590 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 9 states. [2018-11-18 18:01:52,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:01:52,938 INFO L93 Difference]: Finished difference Result 158 states and 180 transitions. [2018-11-18 18:01:52,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 18:01:52,939 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2018-11-18 18:01:52,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:01:52,940 INFO L225 Difference]: With dead ends: 158 [2018-11-18 18:01:52,940 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 18:01:52,940 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2018-11-18 18:01:52,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 18:01:52,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 101. [2018-11-18 18:01:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 18:01:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-11-18 18:01:52,950 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 54 [2018-11-18 18:01:52,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:01:52,951 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-11-18 18:01:52,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 18:01:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-11-18 18:01:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 18:01:52,952 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:01:52,952 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, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:01:52,952 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:01:52,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:01:52,952 INFO L82 PathProgramCache]: Analyzing trace with hash -920876648, now seen corresponding path program 1 times [2018-11-18 18:01:52,952 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:01:52,952 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-11-18 18:01:52,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:01:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:01:53,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:01:53,330 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 18:01:53,331 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:01:53,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:01:53,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 18:01:53,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 18:01:53,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 18:01:53,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 18:01:53,342 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 4 states. [2018-11-18 18:01:57,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:01:57,607 INFO L93 Difference]: Finished difference Result 127 states and 143 transitions. [2018-11-18 18:01:57,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 18:01:57,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-11-18 18:01:57,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:01:57,609 INFO L225 Difference]: With dead ends: 127 [2018-11-18 18:01:57,609 INFO L226 Difference]: Without dead ends: 117 [2018-11-18 18:01:57,609 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 18:01:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-18 18:01:57,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 110. [2018-11-18 18:01:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 18:01:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2018-11-18 18:01:57,625 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 59 [2018-11-18 18:01:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:01:57,625 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2018-11-18 18:01:57,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 18:01:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2018-11-18 18:01:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 18:01:57,626 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:01:57,626 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:01:57,626 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:01:57,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:01:57,626 INFO L82 PathProgramCache]: Analyzing trace with hash 38940339, now seen corresponding path program 1 times [2018-11-18 18:01:57,627 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:01:57,627 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-11-18 18:01:57,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:01:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:01:58,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:01:58,520 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 18:01:58,521 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:01:58,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:01:58,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 18:01:58,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 18:01:58,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 18:01:58,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 18:01:58,532 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 10 states. [2018-11-18 18:02:14,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:02:14,400 INFO L93 Difference]: Finished difference Result 153 states and 172 transitions. [2018-11-18 18:02:14,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 18:02:14,446 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2018-11-18 18:02:14,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:02:14,447 INFO L225 Difference]: With dead ends: 153 [2018-11-18 18:02:14,448 INFO L226 Difference]: Without dead ends: 134 [2018-11-18 18:02:14,448 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2018-11-18 18:02:14,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-18 18:02:14,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 124. [2018-11-18 18:02:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 18:02:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2018-11-18 18:02:14,469 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 62 [2018-11-18 18:02:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:02:14,470 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2018-11-18 18:02:14,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 18:02:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2018-11-18 18:02:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 18:02:14,471 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:02:14,471 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:02:14,471 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:02:14,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:02:14,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1332866959, now seen corresponding path program 1 times [2018-11-18 18:02:14,471 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:02:14,472 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2018-11-18 18:02:14,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:02:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:02:14,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:02:14,973 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 18:02:14,973 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:02:14,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:02:14,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 18:02:14,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 18:02:14,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 18:02:14,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 18:02:14,985 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand 8 states. [2018-11-18 18:02:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:02:27,459 INFO L93 Difference]: Finished difference Result 149 states and 166 transitions. [2018-11-18 18:02:27,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 18:02:27,460 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2018-11-18 18:02:27,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:02:27,461 INFO L225 Difference]: With dead ends: 149 [2018-11-18 18:02:27,461 INFO L226 Difference]: Without dead ends: 114 [2018-11-18 18:02:27,461 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-18 18:02:27,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-18 18:02:27,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2018-11-18 18:02:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 18:02:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 125 transitions. [2018-11-18 18:02:27,475 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 125 transitions. Word has length 62 [2018-11-18 18:02:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:02:27,475 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 125 transitions. [2018-11-18 18:02:27,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 18:02:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions. [2018-11-18 18:02:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 18:02:27,476 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:02:27,476 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:02:27,476 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:02:27,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:02:27,477 INFO L82 PathProgramCache]: Analyzing trace with hash -243245413, now seen corresponding path program 1 times [2018-11-18 18:02:27,477 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:02:27,477 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2018-11-18 18:02:27,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:02:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:02:27,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:02:28,036 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 18:02:28,036 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:02:28,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:02:28,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 18:02:28,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 18:02:28,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 18:02:28,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 18:02:28,054 INFO L87 Difference]: Start difference. First operand 111 states and 125 transitions. Second operand 8 states. [2018-11-18 18:02:41,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:02:41,183 INFO L93 Difference]: Finished difference Result 142 states and 157 transitions. [2018-11-18 18:02:41,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 18:02:41,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2018-11-18 18:02:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:02:41,185 INFO L225 Difference]: With dead ends: 142 [2018-11-18 18:02:41,185 INFO L226 Difference]: Without dead ends: 111 [2018-11-18 18:02:41,185 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-11-18 18:02:41,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-18 18:02:41,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-18 18:02:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 18:02:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2018-11-18 18:02:41,199 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 63 [2018-11-18 18:02:41,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:02:41,199 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2018-11-18 18:02:41,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 18:02:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2018-11-18 18:02:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 18:02:41,199 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:02:41,199 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:02:41,199 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:02:41,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:02:41,200 INFO L82 PathProgramCache]: Analyzing trace with hash 180401309, now seen corresponding path program 1 times [2018-11-18 18:02:41,200 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:02:41,200 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2018-11-18 18:02:41,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:02:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:02:41,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:02:41,664 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 18:02:41,664 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:02:41,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:02:41,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 18:02:41,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 18:02:41,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 18:02:41,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 18:02:41,679 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand 4 states. [2018-11-18 18:02:43,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:02:43,853 INFO L93 Difference]: Finished difference Result 126 states and 138 transitions. [2018-11-18 18:02:43,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 18:02:43,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2018-11-18 18:02:43,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:02:43,854 INFO L225 Difference]: With dead ends: 126 [2018-11-18 18:02:43,854 INFO L226 Difference]: Without dead ends: 116 [2018-11-18 18:02:43,855 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 18:02:43,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-18 18:02:43,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 100. [2018-11-18 18:02:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 18:02:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 111 transitions. [2018-11-18 18:02:43,866 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 111 transitions. Word has length 63 [2018-11-18 18:02:43,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:02:43,866 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 111 transitions. [2018-11-18 18:02:43,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 18:02:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 111 transitions. [2018-11-18 18:02:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 18:02:43,866 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 18:02:43,867 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 18:02:43,867 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 18:02:43,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:02:43,867 INFO L82 PathProgramCache]: Analyzing trace with hash 2059505905, now seen corresponding path program 1 times [2018-11-18 18:02:43,867 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 18:02:43,867 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a052386-0048-4ef8-8a90-56881d9b281f/bin-2019/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2018-11-18 18:02:43,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 18:02:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:02:44,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:02:45,235 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 18:02:45,235 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 18:02:45,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 18:02:45,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 18:02:45,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 18:02:45,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 18:02:45,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 18:02:45,247 INFO L87 Difference]: Start difference. First operand 100 states and 111 transitions. Second operand 10 states. [2018-11-18 18:02:51,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 18:02:51,264 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2018-11-18 18:02:51,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 18:02:51,311 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-11-18 18:02:51,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 18:02:51,311 INFO L225 Difference]: With dead ends: 100 [2018-11-18 18:02:51,312 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 18:02:51,312 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2018-11-18 18:02:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 18:02:51,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 18:02:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 18:02:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 18:02:51,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-18 18:02:51,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 18:02:51,313 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 18:02:51,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 18:02:51,313 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 18:02:51,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 18:02:51,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 18:02:53,617 WARN L180 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2018-11-18 18:02:55,897 WARN L180 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2018-11-18 18:02:56,456 WARN L180 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 38 [2018-11-18 18:02:59,320 WARN L180 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2018-11-18 18:03:00,141 WARN L180 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2018-11-18 18:03:01,405 WARN L180 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2018-11-18 18:03:03,274 WARN L180 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2018-11-18 18:03:03,562 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-11-18 18:03:05,557 WARN L180 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2018-11-18 18:03:05,875 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 39 [2018-11-18 18:03:05,877 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 211) no Hoare annotation was computed. [2018-11-18 18:03:05,877 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 211) the Hoare annotation is: true [2018-11-18 18:03:05,877 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 211) no Hoare annotation was computed. [2018-11-18 18:03:05,877 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 18:03:05,877 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 18:03:05,877 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 18:03:05,877 INFO L425 ceAbstractionStarter]: For program point L216-1(lines 216 220) no Hoare annotation was computed. [2018-11-18 18:03:05,877 INFO L421 ceAbstractionStarter]: At program point L216-3(lines 216 220) the Hoare annotation is: (= isfinite_float_~x |isfinite_float_#in~x|) [2018-11-18 18:03:05,877 INFO L425 ceAbstractionStarter]: For program point L216-4(lines 216 220) no Hoare annotation was computed. [2018-11-18 18:03:05,877 INFO L425 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 214 223) no Hoare annotation was computed. [2018-11-18 18:03:05,877 INFO L428 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 214 223) the Hoare annotation is: true [2018-11-18 18:03:05,877 INFO L425 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 214 223) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 18:03:05,878 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 225 245) the Hoare annotation is: true [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 225 245) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L421 ceAbstractionStarter]: At program point L238(line 238) the Hoare annotation is: (and (exists ((__ieee754_hypotf_~b~0 (_ FloatingPoint 8 24)) (v___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_26) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_26) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_26)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_26))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) __ieee754_hypotf_~b~0) main_~res~0))) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point L238-1(lines 238 241) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 225 245) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (and (exists ((v_isfinite_float_~ix~1_5 (_ BitVec 32))) (and (= main_~y~0 (fp ((_ extract 31 31) v_isfinite_float_~ix~1_5) ((_ extract 30 23) v_isfinite_float_~ix~1_5) ((_ extract 22 0) v_isfinite_float_~ix~1_5))) (bvslt (bvand (_ bv2147483647 32) v_isfinite_float_~ix~1_5) (_ bv2139095040 32)))) (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2018-11-18 18:03:05,878 INFO L421 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point L235-1(lines 235 242) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point L235-3(lines 235 242) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 18:03:05,878 INFO L421 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 18:03:05,878 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-18 18:03:05,879 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-11-18 18:03:05,879 INFO L421 ceAbstractionStarter]: At program point L185-3(lines 185 189) the Hoare annotation is: (let ((.cse2 (= (_ bv68 32) __ieee754_hypotf_~k~0)) (.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and .cse0 .cse1 (exists ((v___ieee754_hypotf_~ha~0_39 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_39) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_39) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_39)) |__ieee754_hypotf_#in~x|) (bvslt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_39) (_ bv645922816 32))))) (and .cse2 .cse0 (exists ((v___ieee754_hypotf_~ha~0_37 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_37))) (and (bvsgt .cse3 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_37) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_37) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_37)) |__ieee754_hypotf_#in~x|) (bvslt .cse3 (_ bv2139095040 32))))) .cse1) (and .cse0 (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32))) (and (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_32) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_32) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_32)) |__ieee754_hypotf_#in~x|))) (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32)) (__ieee754_hypotf_~ha~0 (_ BitVec 32))) (and (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32)) (not (bvsgt __ieee754_hypotf_~ha~0 (_ bv1484783616 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_32) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_32) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_32)) |__ieee754_hypotf_#in~x|))) .cse1) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~ha~0))) .cse1 (exists ((v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25) __ieee754_hypotf_~hb~0))) (and (or (and .cse0 (= (_ bv4294967228 32) __ieee754_hypotf_~k~0)) (and .cse2 .cse0)) .cse1 (exists ((v___ieee754_hypotf_~ha~0_41 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_43 (_ BitVec 32))) (and (bvsgt v___ieee754_hypotf_~ha~0_43 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_41)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_41) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_41) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_41)) |__ieee754_hypotf_#in~x|) (bvsgt v___ieee754_hypotf_~ha~0_43 (_ bv1484783616 32)) (bvslt v___ieee754_hypotf_~ha~0_43 (_ bv2139095040 32))))))) [2018-11-18 18:03:05,879 INFO L425 ceAbstractionStarter]: For program point L185-4(lines 185 189) no Hoare annotation was computed. [2018-11-18 18:03:05,879 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:03:05,879 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:03:05,879 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-11-18 18:03:05,879 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:03:05,879 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-11-18 18:03:05,879 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L139-2(lines 121 144) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L421 ceAbstractionStarter]: At program point L91-3(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (and (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27)) (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_27) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_27) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_27)))))) [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L91-4(lines 91 95) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-11-18 18:03:05,880 INFO L421 ceAbstractionStarter]: At program point L191-3(lines 191 195) the Hoare annotation is: (let ((.cse2 (= (_ bv68 32) __ieee754_hypotf_~k~0)) (.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and .cse0 .cse1 (exists ((v___ieee754_hypotf_~ha~0_39 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_39) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_39) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_39)) |__ieee754_hypotf_#in~x|) (bvslt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_39) (_ bv645922816 32))))) (and .cse2 .cse0 (exists ((v___ieee754_hypotf_~ha~0_37 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_37))) (and (bvsgt .cse3 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_37) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_37) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_37)) |__ieee754_hypotf_#in~x|) (bvslt .cse3 (_ bv2139095040 32))))) .cse1) (and .cse0 (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32))) (and (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_32) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_32) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_32)) |__ieee754_hypotf_#in~x|))) (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32)) (__ieee754_hypotf_~ha~0 (_ BitVec 32))) (and (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32)) (not (bvsgt __ieee754_hypotf_~ha~0 (_ bv1484783616 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_32) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_32) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_32)) |__ieee754_hypotf_#in~x|))) .cse1) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~ha~0))) .cse1 (exists ((v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25) __ieee754_hypotf_~hb~0))) (and (or (and .cse0 (= (_ bv4294967228 32) __ieee754_hypotf_~k~0)) (and .cse2 .cse0)) .cse1 (exists ((v___ieee754_hypotf_~ha~0_41 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_43 (_ BitVec 32))) (and (bvsgt v___ieee754_hypotf_~ha~0_43 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_41)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_41) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_41) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_41)) |__ieee754_hypotf_#in~x|) (bvsgt v___ieee754_hypotf_~ha~0_43 (_ bv1484783616 32)) (bvslt v___ieee754_hypotf_~ha~0_43 (_ bv2139095040 32))))))) [2018-11-18 18:03:05,880 INFO L425 ceAbstractionStarter]: For program point L191-4(lines 191 195) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L421 ceAbstractionStarter]: At program point L176-3(lines 176 180) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse0) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse1 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse1 (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31) __ieee754_hypotf_~ha~0)) (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_30)))) (and .cse1 (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31))) (and (bvsgt .cse2 (_ bv1484783616 32)) (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32)))))) (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_30)))))) (exists ((v___ieee754_hypotf_~ha~0_37 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_37))) (and (bvsgt .cse3 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_37) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_37) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_37)) |__ieee754_hypotf_#in~x|) (bvslt .cse3 (_ bv2139095040 32))))) .cse0))) [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L176-4(lines 176 180) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L421 ceAbstractionStarter]: At program point L161-3(lines 161 165) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and .cse0 (= (_ bv4294967228 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse1) (and .cse0 (exists ((v___ieee754_hypotf_~ha~0_39 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_39) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_39) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_39)) |__ieee754_hypotf_#in~x|) (bvslt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_39) (_ bv645922816 32)))) .cse1))) [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L112-3(lines 81 208) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L428 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-11-18 18:03:05,881 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse2 (= (_ bv68 32) __ieee754_hypotf_~k~0)) (.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and .cse0 .cse1 (exists ((v___ieee754_hypotf_~ha~0_39 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_39) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_39) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_39)) |__ieee754_hypotf_#in~x|) (bvslt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_39) (_ bv645922816 32))))) (and .cse2 .cse0 (exists ((v___ieee754_hypotf_~ha~0_37 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_37))) (and (bvsgt .cse3 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_37) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_37) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_37)) |__ieee754_hypotf_#in~x|) (bvslt .cse3 (_ bv2139095040 32))))) .cse1) (and .cse0 (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32))) (and (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_32) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_32) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_32)) |__ieee754_hypotf_#in~x|))) (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32)) (__ieee754_hypotf_~ha~0 (_ BitVec 32))) (and (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32)) (not (bvsgt __ieee754_hypotf_~ha~0 (_ bv1484783616 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_32) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_32) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_32)) |__ieee754_hypotf_#in~x|))) .cse1) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~ha~0))) .cse1 (exists ((v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25) __ieee754_hypotf_~hb~0))) (and (or (and .cse0 (= (_ bv4294967228 32) __ieee754_hypotf_~k~0)) (and .cse2 .cse0)) .cse1 (exists ((v___ieee754_hypotf_~ha~0_41 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_43 (_ BitVec 32))) (and (bvsgt v___ieee754_hypotf_~ha~0_43 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_41)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_41) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_41) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_41)) |__ieee754_hypotf_#in~x|) (bvsgt v___ieee754_hypotf_~ha~0_43 (_ bv1484783616 32)) (bvslt v___ieee754_hypotf_~ha~0_43 (_ bv2139095040 32))))))) [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse0) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse1 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse1 (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31) __ieee754_hypotf_~ha~0)) (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_30)))) (and .cse1 (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31))) (and (bvsgt .cse2 (_ bv1484783616 32)) (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32)))))) (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_30)))))) (exists ((v___ieee754_hypotf_~ha~0_37 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_37))) (and (bvsgt .cse3 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_37) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_37) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_37)) |__ieee754_hypotf_#in~x|) (bvslt .cse3 (_ bv2139095040 32))))) .cse0))) [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L421 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (= __ieee754_hypotf_~a~0 (fp ((_ extract 31 31) __ieee754_hypotf_~ha~0) ((_ extract 30 23) __ieee754_hypotf_~ha~0) ((_ extract 22 0) __ieee754_hypotf_~ha~0))) (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32))) (and (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_32) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_32) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_32)) |__ieee754_hypotf_#in~x|))) (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32)) (__ieee754_hypotf_~ha~0 (_ BitVec 32))) (and (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_32)) (not (bvsgt __ieee754_hypotf_~ha~0 (_ bv1484783616 32))) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_32) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_32) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_32)) |__ieee754_hypotf_#in~x|))) (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~hb~0) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27) __ieee754_hypotf_~ha~0) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~ha~0))) .cse0 (exists ((v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25) __ieee754_hypotf_~hb~0))))) [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L149-4(lines 149 153) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L166-2(lines 157 171) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L421 ceAbstractionStarter]: At program point L200-3(lines 200 204) the Hoare annotation is: (let ((.cse1 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_37 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_37))) (and (bvsgt .cse0 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_37) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_37) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_37)) |__ieee754_hypotf_#in~x|) (bvslt .cse0 (_ bv2139095040 32))))) .cse1) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (bvsgt (bvadd (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_24) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_24) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_24)) |__ieee754_hypotf_#in~x|))) .cse1))) [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L200-4(lines 200 204) no Hoare annotation was computed. [2018-11-18 18:03:05,882 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (let ((.cse0 (= (_ bv68 32) __ieee754_hypotf_~k~0)) (.cse1 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse2 (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32))) (let ((.cse7 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31))) (and (bvsgt .cse7 (_ bv1484783616 32)) (not (bvsgt (bvadd .cse7 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))))))) (.cse3 (exists ((v___ieee754_hypotf_~ha~0_28 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_28)))) (.cse5 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) (.cse6 (exists ((v___ieee754_hypotf_~hb~0_30 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_30))))) (or (and .cse0 .cse1 .cse2 .cse3 (exists ((v___ieee754_hypotf_~ha~0_37 (_ BitVec 32))) (let ((.cse4 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_37))) (and (bvsgt .cse4 (_ bv1484783616 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_37) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_37) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_37)) |__ieee754_hypotf_#in~x|) (bvslt .cse4 (_ bv2139095040 32))))) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_36 (_ BitVec 32))) (and (bvslt v___ieee754_hypotf_~ha~0_36 (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_34) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_34) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_34)) |__ieee754_hypotf_#in~x|) (bvsgt v___ieee754_hypotf_~ha~0_36 (_ bv1484783616 32)) (bvsgt v___ieee754_hypotf_~ha~0_36 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_34))))))) [2018-11-18 18:03:05,882 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L428 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: true [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L428 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: true [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: true [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-18 18:03:05,883 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-18 18:03:05,884 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-18 18:03:05,884 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-18 18:03:05,884 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-18 18:03:05,893 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:108) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:92) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:537) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 18:03:05,894 INFO L168 Benchmark]: Toolchain (without parser) took 239938.99 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.1 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -56.4 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:05,895 INFO L168 Benchmark]: CDTParser took 0.11 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 18:03:05,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.00 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 927.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:05,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.53 ms. Allocated memory is still 1.0 GB. Free memory is still 927.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:03:05,895 INFO L168 Benchmark]: Boogie Preprocessor took 82.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -212.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:05,896 INFO L168 Benchmark]: RCFGBuilder took 1755.32 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:05,896 INFO L168 Benchmark]: TraceAbstraction took 237818.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.1 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:03:05,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 257.00 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 927.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.53 ms. Allocated memory is still 1.0 GB. Free memory is still 927.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 927.2 MB in the beginning and 1.1 GB in the end (delta: -212.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1755.32 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 237818.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 81.1 MB). Peak memory consumption was 168.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 239]: 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: 85]: Loop Invariant Derived loop invariant: \old(y) == y && \old(x) == x - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...