./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 0.1.23-635dfa2 [2018-12-02 07:56:43,286 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:56:43,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:56:43,293 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:56:43,293 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:56:43,294 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:56:43,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:56:43,296 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:56:43,297 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:56:43,297 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:56:43,297 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:56:43,298 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:56:43,298 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:56:43,299 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:56:43,299 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:56:43,300 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:56:43,300 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:56:43,301 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:56:43,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:56:43,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:56:43,303 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:56:43,304 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:56:43,305 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:56:43,305 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:56:43,305 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:56:43,306 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:56:43,306 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:56:43,307 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:56:43,307 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:56:43,308 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:56:43,308 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:56:43,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:56:43,309 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:56:43,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:56:43,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:56:43,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:56:43,310 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 07:56:43,317 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:56:43,318 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:56:43,318 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:56:43,318 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:56:43,318 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:56:43,319 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:56:43,319 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:56:43,319 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 07:56:43,319 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:56:43,319 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:56:43,319 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 07:56:43,319 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 07:56:43,320 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:56:43,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:56:43,320 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:56:43,320 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:56:43,320 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:56:43,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:56:43,321 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:56:43,321 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:56:43,322 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:56:43,322 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:56:43,322 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:56:43,322 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:56:43,322 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 07:56:43,322 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:56:43,322 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:56:43,322 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 07:56:43,322 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_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:56:43,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:56:43,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:56:43,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:56:43,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:56:43,353 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:56:43,354 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-12-02 07:56:43,397 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data/768935335/f261a6737376410390ea7bd228de5481/FLAGc98236c1e [2018-12-02 07:56:43,787 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:56:43,787 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-12-02 07:56:43,792 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data/768935335/f261a6737376410390ea7bd228de5481/FLAGc98236c1e [2018-12-02 07:56:43,800 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data/768935335/f261a6737376410390ea7bd228de5481 [2018-12-02 07:56:43,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:56:43,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:56:43,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:56:43,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:56:43,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:56:43,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:56:43" (1/1) ... [2018-12-02 07:56:43,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300fdaf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:43, skipping insertion in model container [2018-12-02 07:56:43,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:56:43" (1/1) ... [2018-12-02 07:56:43,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:56:43,831 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:56:43,948 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:56:43,950 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:56:43,979 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:56:44,023 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:56:44,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44 WrapperNode [2018-12-02 07:56:44,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:56:44,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:56:44,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:56:44,024 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:56:44,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:56:44,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:56:44,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:56:44,043 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:56:44,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... [2018-12-02 07:56:44,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:56:44,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:56:44,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:56:44,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:56:44,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:56:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-02 07:56:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-02 07:56:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:56:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:56:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 07:56:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 07:56:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 07:56:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 07:56:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:56:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:56:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 07:56:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:56:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:56:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:56:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 07:56:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-02 07:56:44,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-02 07:56:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 07:56:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 07:56:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 07:56:44,404 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:56:44,404 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 07:56:44,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:56:44 BoogieIcfgContainer [2018-12-02 07:56:44,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:56:44,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:56:44,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:56:44,407 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:56:44,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:56:43" (1/3) ... [2018-12-02 07:56:44,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103f48ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:56:44, skipping insertion in model container [2018-12-02 07:56:44,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:44" (2/3) ... [2018-12-02 07:56:44,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103f48ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:56:44, skipping insertion in model container [2018-12-02 07:56:44,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:56:44" (3/3) ... [2018-12-02 07:56:44,409 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a_true-unreach-call.c [2018-12-02 07:56:44,415 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:56:44,419 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:56:44,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:56:44,446 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:56:44,447 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:56:44,447 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:56:44,447 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:56:44,447 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:56:44,447 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:56:44,447 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:56:44,447 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:56:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-12-02 07:56:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 07:56:44,462 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:56:44,462 INFO L402 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] [2018-12-02 07:56:44,464 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:56:44,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:56:44,467 INFO L82 PathProgramCache]: Analyzing trace with hash 860825893, now seen corresponding path program 1 times [2018-12-02 07:56:44,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:56:44,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:56:44,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:56:44,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:56:44,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:56:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:56:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:56:44,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:56:44,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 07:56:44,548 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:56:44,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 07:56:44,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 07:56:44,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:56:44,560 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-12-02 07:56:44,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:56:44,579 INFO L93 Difference]: Finished difference Result 210 states and 329 transitions. [2018-12-02 07:56:44,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 07:56:44,580 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-12-02 07:56:44,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:56:44,586 INFO L225 Difference]: With dead ends: 210 [2018-12-02 07:56:44,586 INFO L226 Difference]: Without dead ends: 104 [2018-12-02 07:56:44,589 INFO L631 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 [2018-12-02 07:56:44,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-02 07:56:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-12-02 07:56:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-02 07:56:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2018-12-02 07:56:44,616 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 34 [2018-12-02 07:56:44,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:56:44,616 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2018-12-02 07:56:44,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 07:56:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2018-12-02 07:56:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 07:56:44,617 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:56:44,617 INFO L402 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] [2018-12-02 07:56:44,618 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:56:44,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:56:44,618 INFO L82 PathProgramCache]: Analyzing trace with hash 68622012, now seen corresponding path program 1 times [2018-12-02 07:56:44,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:56:44,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:56:44,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:56:44,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:56:44,619 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:56:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:56:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:56:44,693 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 07:56:44,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:56:44 BoogieIcfgContainer [2018-12-02 07:56:44,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:56:44,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:56:44,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:56:44,714 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:56:44,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:56:44" (3/4) ... [2018-12-02 07:56:44,717 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 07:56:44,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:56:44,717 INFO L168 Benchmark]: Toolchain (without parser) took 914.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -82.0 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2018-12-02 07:56:44,718 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:56:44,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-02 07:56:44,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.80 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. [2018-12-02 07:56:44,719 INFO L168 Benchmark]: Boogie Preprocessor took 31.20 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:56:44,719 INFO L168 Benchmark]: RCFGBuilder took 330.60 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:56:44,720 INFO L168 Benchmark]: TraceAbstraction took 308.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:56:44,720 INFO L168 Benchmark]: Witness Printer took 2.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:56:44,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 219.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.80 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. * Boogie Preprocessor took 31.20 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 330.60 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 308.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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)=10737418255, 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)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L215] __int32_t ix; VAL [\old(x)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418256] [L217] ieee_float_shape_type gf_u; [L218] gf_u.value = (x) [L219] EXPR gf_u.word [L219] (ix) = gf_u.word [L221] ix &= 0x7fffffff [L222] return (((ix) < 0x7f800000L)); VAL [\old(x)=10737418256, \result=1, ix=2139095039, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418256] [L235] RET isfinite_float(y) VAL [isfinite_float(y)=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, y=10737418256] [L235] COND TRUE isfinite_float(y) [L236] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418254, \old(y)=10737418256, 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)=10737418254, \old(y)=10737418256, a=10737418254, b=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L86] ieee_float_shape_type gf_u; [L87] gf_u.value = (x) [L88] EXPR gf_u.word [L88] (ha) = gf_u.word [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418254, b=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L92] ieee_float_shape_type gf_u; [L93] gf_u.value = (y) [L94] EXPR gf_u.word [L94] (hb) = gf_u.word [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418254, b=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418256, b=10737418254, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L108] ieee_float_shape_type sf_u; [L109] sf_u.word = (ha) [L110] EXPR sf_u.value [L110] (a) = sf_u.value [L113] ieee_float_shape_type sf_u; [L114] sf_u.word = (hb) [L115] EXPR sf_u.value [L115] (b) = sf_u.value [L117] COND TRUE (ha - hb) > 0xf000000L [L118] return a + b; VAL [\old(x)=10737418254, \old(y)=10737418256, a=10737418253, b=10737418260, ha=251658239, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L236] RET, EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418261, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L236] float res = __ieee754_hypotf(x, y); [L238] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418261, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L211] return x != x; VAL [\old(x)=10737418261, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418261] [L238] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=10737418261, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] [L238] COND TRUE !isnan_float(res) [L239] __VERIFIER_error() VAL [one_sqrt=1, res=10737418261, tiny_sqrt=1/1000000000000000000000000000000, x=10737418254, y=10737418256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 109 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 132 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=109occurred 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 0.1.23-635dfa2 [2018-12-02 07:56:46,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:56:46,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:56:46,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:56:46,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:56:46,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:56:46,121 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:56:46,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:56:46,122 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:56:46,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:56:46,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:56:46,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:56:46,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:56:46,124 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:56:46,125 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:56:46,125 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:56:46,126 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:56:46,127 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:56:46,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:56:46,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:56:46,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:56:46,129 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:56:46,131 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:56:46,131 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:56:46,131 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:56:46,131 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:56:46,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:56:46,132 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:56:46,133 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:56:46,133 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:56:46,133 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:56:46,134 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:56:46,134 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:56:46,134 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:56:46,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:56:46,135 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:56:46,135 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 07:56:46,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:56:46,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:56:46,143 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:56:46,143 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:56:46,144 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:56:46,144 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:56:46,144 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:56:46,144 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:56:46,144 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:56:46,144 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:56:46,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:56:46,145 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:56:46,145 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:56:46,145 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:56:46,145 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:56:46,145 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:56:46,145 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:56:46,145 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 07:56:46,146 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 07:56:46,146 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:56:46,146 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:56:46,146 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 07:56:46,146 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:56:46,146 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:56:46,146 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:56:46,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:56:46,147 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:56:46,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:56:46,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:56:46,147 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:56:46,147 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:56:46,147 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 07:56:46,147 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:56:46,148 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 07:56:46,148 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 07:56:46,148 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_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:56:46,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:56:46,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:56:46,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:56:46,182 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:56:46,182 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:56:46,183 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-12-02 07:56:46,230 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data/58b79a04c/3cc5479a1b0b475caa421ad7caaed112/FLAG2437d0fc2 [2018-12-02 07:56:46,640 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:56:46,640 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/sv-benchmarks/c/float-newlib/float_req_bl_1271a_true-unreach-call.c [2018-12-02 07:56:46,644 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data/58b79a04c/3cc5479a1b0b475caa421ad7caaed112/FLAG2437d0fc2 [2018-12-02 07:56:46,652 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/bin-2019/utaipan/data/58b79a04c/3cc5479a1b0b475caa421ad7caaed112 [2018-12-02 07:56:46,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:56:46,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:56:46,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:56:46,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:56:46,658 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:56:46,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46, skipping insertion in model container [2018-12-02 07:56:46,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:56:46,677 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:56:46,798 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:56:46,802 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:56:46,835 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:56:46,851 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:56:46,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46 WrapperNode [2018-12-02 07:56:46,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:56:46,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:56:46,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:56:46,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:56:46,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:56:46,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:56:46,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:56:46,871 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:56:46,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... [2018-12-02 07:56:46,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:56:46,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:56:46,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:56:46,940 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:56:46,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:56:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-12-02 07:56:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-12-02 07:56:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:56:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:56:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 07:56:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 07:56:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 07:56:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:56:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:56:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:56:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 07:56:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:56:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:56:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 07:56:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-12-02 07:56:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-12-02 07:56:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 07:56:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 07:56:46,972 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 07:56:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 07:56:47,069 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:56:47,275 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:56:47,297 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:56:47,590 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:56:47,988 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:56:47,988 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 07:56:47,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:56:47 BoogieIcfgContainer [2018-12-02 07:56:47,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:56:47,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:56:47,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:56:47,991 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:56:47,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:56:46" (1/3) ... [2018-12-02 07:56:47,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df11668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:56:47, skipping insertion in model container [2018-12-02 07:56:47,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:56:46" (2/3) ... [2018-12-02 07:56:47,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df11668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:56:47, skipping insertion in model container [2018-12-02 07:56:47,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:56:47" (3/3) ... [2018-12-02 07:56:47,993 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a_true-unreach-call.c [2018-12-02 07:56:47,998 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:56:48,003 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:56:48,011 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:56:48,030 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 07:56:48,030 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:56:48,030 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:56:48,031 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:56:48,031 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:56:48,031 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:56:48,031 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:56:48,031 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:56:48,031 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:56:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-12-02 07:56:48,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 07:56:48,048 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:56:48,048 INFO L402 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] [2018-12-02 07:56:48,050 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:56:48,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:56:48,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1957122282, now seen corresponding path program 1 times [2018-12-02 07:56:48,056 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:56:48,056 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:56:48,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:56:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:56:48,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:56:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:56:48,142 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:56:48,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:56:48,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 07:56:48,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 07:56:48,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 07:56:48,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:56:48,166 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-12-02 07:56:48,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:56:48,187 INFO L93 Difference]: Finished difference Result 206 states and 325 transitions. [2018-12-02 07:56:48,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 07:56:48,189 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-12-02 07:56:48,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:56:48,198 INFO L225 Difference]: With dead ends: 206 [2018-12-02 07:56:48,198 INFO L226 Difference]: Without dead ends: 102 [2018-12-02 07:56:48,201 INFO L631 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 [2018-12-02 07:56:48,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-12-02 07:56:48,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-12-02 07:56:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-12-02 07:56:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 124 transitions. [2018-12-02 07:56:48,235 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 124 transitions. Word has length 32 [2018-12-02 07:56:48,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:56:48,235 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 124 transitions. [2018-12-02 07:56:48,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 07:56:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 124 transitions. [2018-12-02 07:56:48,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 07:56:48,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:56:48,237 INFO L402 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] [2018-12-02 07:56:48,237 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:56:48,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:56:48,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1007281651, now seen corresponding path program 1 times [2018-12-02 07:56:48,238 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:56:48,238 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:56:48,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:56:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:56:48,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:56:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:56:48,588 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:56:48,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:56:48,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 07:56:48,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 07:56:48,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 07:56:48,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:56:48,597 INFO L87 Difference]: Start difference. First operand 102 states and 124 transitions. Second operand 9 states. [2018-12-02 07:57:33,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:57:33,234 INFO L93 Difference]: Finished difference Result 226 states and 275 transitions. [2018-12-02 07:57:33,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 07:57:33,277 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-12-02 07:57:33,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:57:33,280 INFO L225 Difference]: With dead ends: 226 [2018-12-02 07:57:33,281 INFO L226 Difference]: Without dead ends: 146 [2018-12-02 07:57:33,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-02 07:57:33,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-02 07:57:33,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 116. [2018-12-02 07:57:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-02 07:57:33,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 139 transitions. [2018-12-02 07:57:33,295 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 139 transitions. Word has length 37 [2018-12-02 07:57:33,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:57:33,295 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 139 transitions. [2018-12-02 07:57:33,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 07:57:33,296 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 139 transitions. [2018-12-02 07:57:33,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 07:57:33,296 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:57:33,296 INFO L402 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] [2018-12-02 07:57:33,297 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:57:33,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:57:33,297 INFO L82 PathProgramCache]: Analyzing trace with hash 2007821967, now seen corresponding path program 1 times [2018-12-02 07:57:33,298 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:57:33,298 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:57:33,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:57:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:57:33,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:57:37,173 WARN L180 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 07:57:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:57:43,316 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:57:43,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:57:43,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 07:57:43,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 07:57:43,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 07:57:43,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=110, Unknown=1, NotChecked=0, Total=132 [2018-12-02 07:57:43,325 INFO L87 Difference]: Start difference. First operand 116 states and 139 transitions. Second operand 12 states. [2018-12-02 07:57:48,534 WARN L180 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-12-02 07:58:01,873 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-12-02 07:58:17,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:58:17,096 INFO L93 Difference]: Finished difference Result 130 states and 156 transitions. [2018-12-02 07:58:17,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 07:58:17,136 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-12-02 07:58:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:58:17,138 INFO L225 Difference]: With dead ends: 130 [2018-12-02 07:58:17,138 INFO L226 Difference]: Without dead ends: 123 [2018-12-02 07:58:17,138 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=63, Invalid=315, Unknown=2, NotChecked=0, Total=380 [2018-12-02 07:58:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-02 07:58:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 116. [2018-12-02 07:58:17,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-12-02 07:58:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 138 transitions. [2018-12-02 07:58:17,147 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 138 transitions. Word has length 37 [2018-12-02 07:58:17,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:58:17,148 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 138 transitions. [2018-12-02 07:58:17,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 07:58:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 138 transitions. [2018-12-02 07:58:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 07:58:17,149 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:58:17,149 INFO L402 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] [2018-12-02 07:58:17,149 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:58:17,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:58:17,150 INFO L82 PathProgramCache]: Analyzing trace with hash -780723337, now seen corresponding path program 1 times [2018-12-02 07:58:17,150 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:58:17,150 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:58:17,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:58:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:58:17,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:58:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:58:17,628 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:58:17,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:58:17,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-12-02 07:58:17,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 07:58:17,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 07:58:17,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2018-12-02 07:58:17,637 INFO L87 Difference]: Start difference. First operand 116 states and 138 transitions. Second operand 14 states. [2018-12-02 07:58:43,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:58:43,508 INFO L93 Difference]: Finished difference Result 163 states and 192 transitions. [2018-12-02 07:58:43,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 07:58:43,553 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 42 [2018-12-02 07:58:43,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:58:43,554 INFO L225 Difference]: With dead ends: 163 [2018-12-02 07:58:43,555 INFO L226 Difference]: Without dead ends: 140 [2018-12-02 07:58:43,555 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2018-12-02 07:58:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-02 07:58:43,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 117. [2018-12-02 07:58:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-02 07:58:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 138 transitions. [2018-12-02 07:58:43,570 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 138 transitions. Word has length 42 [2018-12-02 07:58:43,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:58:43,570 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 138 transitions. [2018-12-02 07:58:43,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 07:58:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-12-02 07:58:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 07:58:43,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:58:43,572 INFO L402 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] [2018-12-02 07:58:43,572 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:58:43,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:58:43,572 INFO L82 PathProgramCache]: Analyzing trace with hash -897307209, now seen corresponding path program 1 times [2018-12-02 07:58:43,572 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:58:43,573 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:58:43,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:58:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:58:43,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:58:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:58:43,715 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:58:43,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:58:43,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:58:43,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:58:43,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:58:43,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:58:43,724 INFO L87 Difference]: Start difference. First operand 117 states and 138 transitions. Second operand 7 states. [2018-12-02 07:58:54,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:58:54,586 INFO L93 Difference]: Finished difference Result 131 states and 151 transitions. [2018-12-02 07:58:54,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:58:54,627 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2018-12-02 07:58:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:58:54,628 INFO L225 Difference]: With dead ends: 131 [2018-12-02 07:58:54,628 INFO L226 Difference]: Without dead ends: 119 [2018-12-02 07:58:54,629 INFO L631 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 [2018-12-02 07:58:54,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-02 07:58:54,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117. [2018-12-02 07:58:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-02 07:58:54,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 137 transitions. [2018-12-02 07:58:54,637 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 137 transitions. Word has length 42 [2018-12-02 07:58:54,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:58:54,637 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 137 transitions. [2018-12-02 07:58:54,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:58:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 137 transitions. [2018-12-02 07:58:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 07:58:54,638 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:58:54,638 INFO L402 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] [2018-12-02 07:58:54,638 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:58:54,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:58:54,639 INFO L82 PathProgramCache]: Analyzing trace with hash -639141771, now seen corresponding path program 1 times [2018-12-02 07:58:54,639 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:58:54,639 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:58:54,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:58:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:58:54,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:58:55,010 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-12-02 07:58:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:58:56,501 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:58:56,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:58:56,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 07:58:56,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 07:58:56,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 07:58:56,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-02 07:58:56,510 INFO L87 Difference]: Start difference. First operand 117 states and 137 transitions. Second operand 12 states. [2018-12-02 07:58:57,652 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 17 [2018-12-02 07:58:59,105 WARN L180 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2018-12-02 07:59:01,487 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-12-02 07:59:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:59:11,018 INFO L93 Difference]: Finished difference Result 158 states and 185 transitions. [2018-12-02 07:59:11,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 07:59:11,019 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-12-02 07:59:11,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:59:11,020 INFO L225 Difference]: With dead ends: 158 [2018-12-02 07:59:11,020 INFO L226 Difference]: Without dead ends: 148 [2018-12-02 07:59:11,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2018-12-02 07:59:11,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-02 07:59:11,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 113. [2018-12-02 07:59:11,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-02 07:59:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 132 transitions. [2018-12-02 07:59:11,029 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 132 transitions. Word has length 42 [2018-12-02 07:59:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:59:11,029 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 132 transitions. [2018-12-02 07:59:11,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 07:59:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2018-12-02 07:59:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 07:59:11,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:59:11,030 INFO L402 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] [2018-12-02 07:59:11,030 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:59:11,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:59:11,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1199845104, now seen corresponding path program 1 times [2018-12-02 07:59:11,030 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:59:11,030 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:59:11,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:59:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:59:11,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:59:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:59:11,244 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:59:11,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:59:11,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 07:59:11,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 07:59:11,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 07:59:11,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 07:59:11,257 INFO L87 Difference]: Start difference. First operand 113 states and 132 transitions. Second operand 7 states. [2018-12-02 07:59:20,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:59:20,326 INFO L93 Difference]: Finished difference Result 195 states and 232 transitions. [2018-12-02 07:59:20,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:59:20,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-12-02 07:59:20,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:59:20,377 INFO L225 Difference]: With dead ends: 195 [2018-12-02 07:59:20,377 INFO L226 Difference]: Without dead ends: 131 [2018-12-02 07:59:20,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:59:20,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-02 07:59:20,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 104. [2018-12-02 07:59:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-02 07:59:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2018-12-02 07:59:20,389 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 45 [2018-12-02 07:59:20,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:59:20,389 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2018-12-02 07:59:20,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 07:59:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2018-12-02 07:59:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 07:59:20,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:59:20,390 INFO L402 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] [2018-12-02 07:59:20,390 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:59:20,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:59:20,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1790274438, now seen corresponding path program 1 times [2018-12-02 07:59:20,391 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:59:20,391 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:59:20,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:59:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:59:20,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:59:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:59:21,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:59:21,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:59:21,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 07:59:21,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 07:59:21,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 07:59:21,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:59:21,260 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 9 states. [2018-12-02 07:59:34,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:59:34,504 INFO L93 Difference]: Finished difference Result 134 states and 153 transitions. [2018-12-02 07:59:34,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 07:59:34,506 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2018-12-02 07:59:34,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:59:34,506 INFO L225 Difference]: With dead ends: 134 [2018-12-02 07:59:34,506 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 07:59:34,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2018-12-02 07:59:34,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 07:59:34,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 90. [2018-12-02 07:59:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 07:59:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2018-12-02 07:59:34,514 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 54 [2018-12-02 07:59:34,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:59:34,515 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2018-12-02 07:59:34,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 07:59:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2018-12-02 07:59:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 07:59:34,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:59:34,516 INFO L402 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] [2018-12-02 07:59:34,516 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:59:34,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:59:34,516 INFO L82 PathProgramCache]: Analyzing trace with hash 278430457, now seen corresponding path program 1 times [2018-12-02 07:59:34,516 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:59:34,517 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:59:34,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:59:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:59:34,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:59:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:59:34,885 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:59:34,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:59:34,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 07:59:34,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 07:59:34,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 07:59:34,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:59:34,897 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2018-12-02 07:59:38,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:59:38,857 INFO L93 Difference]: Finished difference Result 100 states and 113 transitions. [2018-12-02 07:59:38,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 07:59:38,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-12-02 07:59:38,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:59:38,904 INFO L225 Difference]: With dead ends: 100 [2018-12-02 07:59:38,904 INFO L226 Difference]: Without dead ends: 90 [2018-12-02 07:59:38,904 INFO L631 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 [2018-12-02 07:59:38,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-12-02 07:59:38,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-12-02 07:59:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 07:59:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2018-12-02 07:59:38,914 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 59 [2018-12-02 07:59:38,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:59:38,914 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2018-12-02 07:59:38,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 07:59:38,914 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2018-12-02 07:59:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 07:59:38,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:59:38,915 INFO L402 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] [2018-12-02 07:59:38,915 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:59:38,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:59:38,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1738369465, now seen corresponding path program 1 times [2018-12-02 07:59:38,915 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:59:38,915 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:59:38,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:59:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:59:39,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:59:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:59:39,818 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:59:39,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:59:39,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 07:59:39,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 07:59:39,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 07:59:39,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:59:39,831 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 10 states. [2018-12-02 07:59:56,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:59:56,839 INFO L93 Difference]: Finished difference Result 130 states and 145 transitions. [2018-12-02 07:59:56,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 07:59:56,890 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2018-12-02 07:59:56,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:59:56,890 INFO L225 Difference]: With dead ends: 130 [2018-12-02 07:59:56,891 INFO L226 Difference]: Without dead ends: 111 [2018-12-02 07:59:56,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-12-02 07:59:56,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-02 07:59:56,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 104. [2018-12-02 07:59:56,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-12-02 07:59:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2018-12-02 07:59:56,901 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 62 [2018-12-02 07:59:56,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:59:56,901 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2018-12-02 07:59:56,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 07:59:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2018-12-02 07:59:56,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 07:59:56,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:59:56,902 INFO L402 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] [2018-12-02 07:59:56,902 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:59:56,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:59:56,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1184790533, now seen corresponding path program 1 times [2018-12-02 07:59:56,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:59:56,902 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 07:59:56,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:59:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:59:57,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:59:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:59:57,417 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:59:57,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:59:57,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 07:59:57,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 07:59:57,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 07:59:57,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:59:57,430 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand 8 states. [2018-12-02 08:00:17,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:00:17,510 INFO L93 Difference]: Finished difference Result 126 states and 139 transitions. [2018-12-02 08:00:17,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:00:17,511 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2018-12-02 08:00:17,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:00:17,512 INFO L225 Difference]: With dead ends: 126 [2018-12-02 08:00:17,512 INFO L226 Difference]: Without dead ends: 85 [2018-12-02 08:00:17,512 INFO L631 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 [2018-12-02 08:00:17,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-02 08:00:17,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-02 08:00:17,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-02 08:00:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2018-12-02 08:00:17,518 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 62 [2018-12-02 08:00:17,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:00:17,518 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2018-12-02 08:00:17,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:00:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2018-12-02 08:00:17,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 08:00:17,519 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:00:17,519 INFO L402 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] [2018-12-02 08:00:17,519 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:00:17,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:00:17,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1956273368, now seen corresponding path program 1 times [2018-12-02 08:00:17,519 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 08:00:17,519 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d112c4-365a-4ece-8ac0-1535196fad5d/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 [2018-12-02 08:00:17,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:00:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:00:18,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:00:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:00:18,587 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 08:00:18,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:00:18,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 08:00:18,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:00:18,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:00:18,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:00:18,600 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand 10 states. [2018-12-02 08:00:25,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:00:25,250 INFO L93 Difference]: Finished difference Result 85 states and 95 transitions. [2018-12-02 08:00:25,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 08:00:25,294 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-12-02 08:00:25,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:00:25,295 INFO L225 Difference]: With dead ends: 85 [2018-12-02 08:00:25,295 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:00:25,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2018-12-02 08:00:25,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:00:25,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:00:25,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:00:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:00:25,296 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-12-02 08:00:25,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:00:25,296 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:00:25,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:00:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:00:25,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:00:25,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:00:25,995 WARN L180 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 41 [2018-12-02 08:00:27,335 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2018-12-02 08:00:28,342 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2018-12-02 08:00:29,735 WARN L180 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2018-12-02 08:00:31,063 WARN L180 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2018-12-02 08:00:31,952 WARN L180 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2018-12-02 08:00:33,423 WARN L180 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2018-12-02 08:00:33,650 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-12-02 08:00:34,712 WARN L180 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 211) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 211) the Hoare annotation is: true [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 211) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 216 220) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L444 ceAbstractionStarter]: At program point L216-2(lines 216 220) the Hoare annotation is: (= isfinite_float_~x |isfinite_float_#in~x|) [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point L216-3(lines 216 220) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 214 223) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L451 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 214 223) the Hoare annotation is: true [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 214 223) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:00:34,727 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 08:00:34,727 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:00:34,728 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:00:34,728 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 225 245) the Hoare annotation is: true [2018-12-02 08:00:34,728 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 225 245) no Hoare annotation was computed. [2018-12-02 08:00:34,728 INFO L448 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2018-12-02 08:00:34,728 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2018-12-02 08:00:34,728 INFO L444 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)))) [2018-12-02 08:00:34,728 INFO L448 ceAbstractionStarter]: For program point L238-1(lines 238 241) no Hoare annotation was computed. [2018-12-02 08:00:34,728 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 225 245) no Hoare annotation was computed. [2018-12-02 08:00:34,728 INFO L444 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)))) [2018-12-02 08:00:34,728 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-12-02 08:00:34,728 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-12-02 08:00:34,728 INFO L448 ceAbstractionStarter]: For program point L235-1(lines 235 242) no Hoare annotation was computed. [2018-12-02 08:00:34,729 INFO L448 ceAbstractionStarter]: For program point L235-3(lines 235 242) no Hoare annotation was computed. [2018-12-02 08:00:34,729 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-12-02 08:00:34,729 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-02 08:00:34,729 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-12-02 08:00:34,729 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-02 08:00:34,729 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-12-02 08:00:34,729 INFO L444 ceAbstractionStarter]: At program point L176-2(lines 176 180) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) .cse0 (exists ((v___ieee754_hypotf_~ha~0_36 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_36))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_36))) (bvsgt .cse1 (_ bv1484783616 32)) (bvslt .cse1 (_ bv2139095040 32))))) (let ((.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse2 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0))) (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse3 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse3 (_ bv1484783616 32))))) .cse2 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29))))))) (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))) [2018-12-02 08:00:34,729 INFO L448 ceAbstractionStarter]: For program point L176-3(lines 176 180) no Hoare annotation was computed. [2018-12-02 08:00:34,729 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L444 ceAbstractionStarter]: At program point L185-2(lines 185 189) the Hoare annotation is: (let ((.cse2 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0))) (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32))))) .cse0 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29))))))) .cse2 (exists ((v___ieee754_hypotf_~ha~0_36 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_36))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_36))) (bvsgt .cse3 (_ bv1484783616 32)) (bvslt .cse3 (_ bv2139095040 32)))))) (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|))) .cse2))) [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point L185-3(lines 185 189) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L444 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (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|))) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 81 208) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-12-02 08:00:34,730 INFO L451 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-12-02 08:00:34,730 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 121 144) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse2 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0))) (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32))))) .cse0 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29))))))) .cse2 (exists ((v___ieee754_hypotf_~ha~0_36 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_36))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_36))) (bvsgt .cse3 (_ bv1484783616 32)) (bvslt .cse3 (_ bv2139095040 32)))))) (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|))) .cse2))) [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-12-02 08:00:34,731 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-12-02 08:00:34,732 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 81 208) no Hoare annotation was computed. [2018-12-02 08:00:34,732 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-12-02 08:00:34,732 INFO L448 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-12-02 08:00:34,732 INFO L448 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-12-02 08:00:34,732 INFO L444 ceAbstractionStarter]: At program point L91-2(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_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_31) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_31) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_31)) |__ieee754_hypotf_#in~x|) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31) __ieee754_hypotf_~ha~0)))) [2018-12-02 08:00:34,732 INFO L448 ceAbstractionStarter]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2018-12-02 08:00:34,732 INFO L444 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) .cse0 (exists ((v___ieee754_hypotf_~ha~0_36 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_36))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_36))) (bvsgt .cse1 (_ bv1484783616 32)) (bvslt .cse1 (_ bv2139095040 32))))) (let ((.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse2 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0))) (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse3 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse3 (_ bv1484783616 32))))) .cse2 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29))))))) (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))) [2018-12-02 08:00:34,732 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-12-02 08:00:34,732 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L444 ceAbstractionStarter]: At program point L149-2(lines 149 153) 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|))) (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))) (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))) (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_31) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_31) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_31)) |__ieee754_hypotf_#in~x|) (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31)))) (exists ((v___ieee754_hypotf_~ha~0_31 (_ BitVec 32)) (__ieee754_hypotf_~ha~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_31) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_31) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_31)) |__ieee754_hypotf_#in~x|) (bvsgt __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_31)) (not (bvsgt __ieee754_hypotf_~ha~0 (_ bv1484783616 32))))) (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|)))))) [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 157 171) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L444 ceAbstractionStarter]: At program point L191-2(lines 191 195) the Hoare annotation is: (let ((.cse2 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29) __ieee754_hypotf_~hb~0))) (and (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32))))) .cse0 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29))))))) .cse2 (exists ((v___ieee754_hypotf_~ha~0_36 (_ BitVec 32))) (let ((.cse3 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_36))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_36))) (bvsgt .cse3 (_ bv1484783616 32)) (bvslt .cse3 (_ bv2139095040 32)))))) (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|))) .cse2))) [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L444 ceAbstractionStarter]: At program point L200-2(lines 200 204) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) .cse0 (exists ((v___ieee754_hypotf_~ha~0_36 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_36))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_36))) (bvsgt .cse1 (_ bv1484783616 32)) (bvslt .cse1 (_ bv2139095040 32)))))) (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))) [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L448 ceAbstractionStarter]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2018-12-02 08:00:34,733 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (let ((.cse0 (= (_ bv68 32) __ieee754_hypotf_~k~0)) (.cse1 (exists ((v___ieee754_hypotf_~ha~0_29 (_ BitVec 32))) (let ((.cse7 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_29))) (and (not (bvsgt (bvadd .cse7 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse7 (_ bv1484783616 32)))))) (.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse3 (exists ((v___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_29)))) (.cse4 (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))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v___ieee754_hypotf_~ha~0_36 (_ BitVec 32))) (let ((.cse6 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_36))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_36))) (bvsgt .cse6 (_ bv1484783616 32)) (bvslt .cse6 (_ bv2139095040 32)))))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v___ieee754_hypotf_~ha~0_40 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_38 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_38) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_38) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_38))) (bvsgt v___ieee754_hypotf_~ha~0_40 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_38)) (bvsgt v___ieee754_hypotf_~ha~0_40 (_ bv1484783616 32)) (bvslt v___ieee754_hypotf_~ha~0_40 (_ bv2139095040 32))))))) [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: true [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L451 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: true [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L451 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: true [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: true [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-12-02 08:00:34,734 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-02 08:00:34,735 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-02 08:00:34,735 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-02 08:00:34,735 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-02 08:00:34,735 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-12-02 08:00:34,740 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:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) 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:394) 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:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) 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:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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) [2018-12-02 08:00:34,742 INFO L168 Benchmark]: Toolchain (without parser) took 228087.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 277.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:34,743 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:00:34,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.32 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:34,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.67 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:34,744 INFO L168 Benchmark]: Boogie Preprocessor took 68.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -211.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:34,744 INFO L168 Benchmark]: RCFGBuilder took 1048.77 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:34,745 INFO L168 Benchmark]: TraceAbstraction took 226752.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -26.3 MB). Peak memory consumption was 263.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:00:34,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.32 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.67 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -211.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1048.77 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 226752.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -26.3 MB). Peak memory consumption was 263.3 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: 50]: Loop Invariant Derived loop invariant: 1 - 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...