./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/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 1203da81dc5c48f4dda347acec83e1939b55600b ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/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 1203da81dc5c48f4dda347acec83e1939b55600b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-07 12:06:44,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:06:44,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:06:44,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:06:44,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:06:44,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:06:44,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:06:44,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:06:44,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:06:44,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:06:44,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:06:44,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:06:44,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:06:44,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:06:44,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:06:44,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:06:44,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:06:44,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:06:44,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:06:44,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:06:44,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:06:44,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:06:44,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:06:44,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:06:44,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:06:44,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:06:44,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:06:44,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:06:44,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:06:44,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:06:44,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:06:44,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:06:44,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:06:44,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:06:44,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:06:44,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:06:44,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:06:44,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:06:44,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:06:44,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:06:44,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:06:44,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:06:44,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:06:44,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:06:44,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:06:44,959 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:06:44,960 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:06:44,960 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:06:44,960 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:06:44,960 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:06:44,960 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:06:44,960 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:06:44,960 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:06:44,960 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:06:44,960 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:06:44,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:06:44,961 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:06:44,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:06:44,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:06:44,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:06:44,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:06:44,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:06:44,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:06:44,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:06:44,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:06:44,962 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:06:44,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:06:44,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:06:44,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:06:44,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:06:44,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:06:44,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:06:44,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:06:44,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:06:44,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:06:44,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:06:44,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:06:44,963 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:06:44,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:06:44,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:06:44,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:06:44,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:06:44,964 INFO L138 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/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> 1203da81dc5c48f4dda347acec83e1939b55600b [2019-12-07 12:06:45,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:06:45,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:06:45,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:06:45,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:06:45,076 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:06:45,077 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2019-12-07 12:06:45,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data/a1848ae83/703e53b16e85493c97cdd14cbb768abd/FLAGaea6054be [2019-12-07 12:06:45,554 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:06:45,555 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2019-12-07 12:06:45,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data/a1848ae83/703e53b16e85493c97cdd14cbb768abd/FLAGaea6054be [2019-12-07 12:06:45,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data/a1848ae83/703e53b16e85493c97cdd14cbb768abd [2019-12-07 12:06:45,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:06:45,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:06:45,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:06:45,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:06:45,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:06:45,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea804c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45, skipping insertion in model container [2019-12-07 12:06:45,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:06:45,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:06:45,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:06:45,772 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:06:45,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:06:45,817 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:06:45,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45 WrapperNode [2019-12-07 12:06:45,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:06:45,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:06:45,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:06:45,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:06:45,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:06:45,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:06:45,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:06:45,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:06:45,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... [2019-12-07 12:06:45,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:06:45,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:06:45,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:06:45,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:06:45,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:06:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:06:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 12:06:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:06:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 12:06:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:06:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:06:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:06:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:06:46,482 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:06:46,482 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 12:06:46,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:46 BoogieIcfgContainer [2019-12-07 12:06:46,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:06:46,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:06:46,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:06:46,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:06:46,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:06:45" (1/3) ... [2019-12-07 12:06:46,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e8090e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:06:46, skipping insertion in model container [2019-12-07 12:06:46,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:45" (2/3) ... [2019-12-07 12:06:46,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39e8090e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:06:46, skipping insertion in model container [2019-12-07 12:06:46,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:46" (3/3) ... [2019-12-07 12:06:46,490 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270b.c [2019-12-07 12:06:46,500 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:06:46,506 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:06:46,514 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:06:46,531 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:06:46,531 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:06:46,531 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:06:46,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:06:46,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:06:46,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:06:46,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:06:46,531 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:06:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2019-12-07 12:06:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:06:46,546 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:06:46,547 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:06:46,547 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:06:46,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:06:46,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1344715026, now seen corresponding path program 1 times [2019-12-07 12:06:46,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:06:46,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669047313] [2019-12-07 12:06:46,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:06:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:06:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:06:46,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669047313] [2019-12-07 12:06:46,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:06:46,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:06:46,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793127892] [2019-12-07 12:06:46,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:06:46,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:06:46,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:06:46,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:06:46,663 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2019-12-07 12:06:46,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:06:46,684 INFO L93 Difference]: Finished difference Result 159 states and 271 transitions. [2019-12-07 12:06:46,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:06:46,685 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-12-07 12:06:46,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:06:46,692 INFO L225 Difference]: With dead ends: 159 [2019-12-07 12:06:46,692 INFO L226 Difference]: Without dead ends: 78 [2019-12-07 12:06:46,694 INFO L630 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 [2019-12-07 12:06:46,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-12-07 12:06:46,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-12-07 12:06:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 12:06:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 97 transitions. [2019-12-07 12:06:46,722 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 97 transitions. Word has length 13 [2019-12-07 12:06:46,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:06:46,722 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 97 transitions. [2019-12-07 12:06:46,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:06:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 97 transitions. [2019-12-07 12:06:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 12:06:46,722 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:06:46,723 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:06:46,723 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:06:46,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:06:46,723 INFO L82 PathProgramCache]: Analyzing trace with hash -879118579, now seen corresponding path program 1 times [2019-12-07 12:06:46,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:06:46,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945363361] [2019-12-07 12:06:46,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:06:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:06:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:06:46,841 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 12:06:46,841 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:06:46,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:06:46 BoogieIcfgContainer [2019-12-07 12:06:46,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:06:46,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:06:46,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:06:46,863 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:06:46,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:46" (3/4) ... [2019-12-07 12:06:46,865 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:06:46,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:06:46,867 INFO L168 Benchmark]: Toolchain (without parser) took 1295.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 944.7 MB in the beginning and 955.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:46,867 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:06:46,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:46,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:06:46,868 INFO L168 Benchmark]: Boogie Preprocessor took 33.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:46,869 INFO L168 Benchmark]: RCFGBuilder took 594.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.7 MB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:46,869 INFO L168 Benchmark]: TraceAbstraction took 377.98 ms. Allocated memory is still 1.1 GB. Free memory was 992.7 MB in the beginning and 955.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:06:46,869 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 1.1 GB. Free memory is still 955.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:06:46,872 INFO L335 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -137.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 594.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.7 MB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 377.98 ms. Allocated memory is still 1.1 GB. Free memory was 992.7 MB in the beginning and 955.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 ms. Allocated memory is still 1.1 GB. Free memory is still 955.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 235]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 218. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L229] float x = -1.0f / 0.0f; [L230] float y = __VERIFIER_nondet_float(); [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [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 [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [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 [L97] COND FALSE !(hb > ha) [L104] a = x [L105] b = y VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [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 [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L232] float res = __ieee754_hypotf(x, y); [L212] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L214] ieee_float_shape_type gf_u; [L215] gf_u.value = (x) [L216] EXPR gf_u.word [L216] (ix) = gf_u.word [L218] ix &= 0x7fffffff [L219] return ((ix) == 0x7f800000L); [L234] COND TRUE !isinf_float(res) [L235] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 99 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=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 12:06:48,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:06:48,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:06:48,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:06:48,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:06:48,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:06:48,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:06:48,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:06:48,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:06:48,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:06:48,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:06:48,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:06:48,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:06:48,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:06:48,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:06:48,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:06:48,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:06:48,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:06:48,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:06:48,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:06:48,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:06:48,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:06:48,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:06:48,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:06:48,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:06:48,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:06:48,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:06:48,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:06:48,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:06:48,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:06:48,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:06:48,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:06:48,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:06:48,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:06:48,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:06:48,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:06:48,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:06:48,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:06:48,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:06:48,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:06:48,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:06:48,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:06:48,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:06:48,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:06:48,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:06:48,222 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:06:48,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:06:48,222 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:06:48,222 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:06:48,222 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:06:48,223 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:06:48,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:06:48,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:06:48,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:06:48,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:06:48,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:06:48,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:06:48,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:06:48,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:06:48,224 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:06:48,224 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:06:48,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:06:48,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:06:48,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:06:48,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:06:48,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:06:48,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:06:48,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:06:48,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:06:48,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:06:48,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:06:48,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:06:48,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:06:48,226 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:06:48,226 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:06:48,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:06:48,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:06:48,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:06:48,226 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> 1203da81dc5c48f4dda347acec83e1939b55600b [2019-12-07 12:06:48,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:06:48,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:06:48,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:06:48,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:06:48,410 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:06:48,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2019-12-07 12:06:48,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data/7129d74c9/3f44bd97a81c49c7bb8ca178bd5c4b0b/FLAG507d6cf57 [2019-12-07 12:06:48,879 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:06:48,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/sv-benchmarks/c/float-newlib/float_req_bl_1270b.c [2019-12-07 12:06:48,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data/7129d74c9/3f44bd97a81c49c7bb8ca178bd5c4b0b/FLAG507d6cf57 [2019-12-07 12:06:48,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/data/7129d74c9/3f44bd97a81c49c7bb8ca178bd5c4b0b [2019-12-07 12:06:48,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:06:48,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:06:48,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:06:48,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:06:48,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:06:48,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:06:48" (1/1) ... [2019-12-07 12:06:48,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb84b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:48, skipping insertion in model container [2019-12-07 12:06:48,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:06:48" (1/1) ... [2019-12-07 12:06:48,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:06:48,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:06:49,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:06:49,063 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:06:49,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:06:49,151 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:06:49,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49 WrapperNode [2019-12-07 12:06:49,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:06:49,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:06:49,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:06:49,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:06:49,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:06:49,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:06:49,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:06:49,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:06:49,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... [2019-12-07 12:06:49,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:06:49,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:06:49,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:06:49,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:06:49,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:06:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:06:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 12:06:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:06:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:06:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:06:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 12:06:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:06:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:06:54,785 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:06:54,786 INFO L287 CfgBuilder]: Removed 52 assume(true) statements. [2019-12-07 12:06:54,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:54 BoogieIcfgContainer [2019-12-07 12:06:54,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:06:54,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:06:54,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:06:54,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:06:54,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:06:48" (1/3) ... [2019-12-07 12:06:54,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4715f44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:06:54, skipping insertion in model container [2019-12-07 12:06:54,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:06:49" (2/3) ... [2019-12-07 12:06:54,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4715f44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:06:54, skipping insertion in model container [2019-12-07 12:06:54,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:06:54" (3/3) ... [2019-12-07 12:06:54,792 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270b.c [2019-12-07 12:06:54,798 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:06:54,803 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:06:54,811 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:06:54,827 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:06:54,827 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:06:54,827 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:06:54,827 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:06:54,828 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:06:54,828 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:06:54,828 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:06:54,828 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:06:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-12-07 12:06:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 12:06:54,844 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:06:54,845 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:06:54,845 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:06:54,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:06:54,849 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2019-12-07 12:06:54,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:06:54,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139106287] [2019-12-07 12:06:54,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 12:06:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:06:54,974 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:06:54,978 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:06:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:06:54,988 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:06:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:06:54,993 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139106287] [2019-12-07 12:06:54,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:06:54,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:06:54,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950240384] [2019-12-07 12:06:54,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:06:54,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:06:55,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:06:55,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:06:55,008 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2019-12-07 12:06:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:06:55,032 INFO L93 Difference]: Finished difference Result 212 states and 358 transitions. [2019-12-07 12:06:55,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:06:55,033 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 12:06:55,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:06:55,042 INFO L225 Difference]: With dead ends: 212 [2019-12-07 12:06:55,043 INFO L226 Difference]: Without dead ends: 104 [2019-12-07 12:06:55,045 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:06:55,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-12-07 12:06:55,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-12-07 12:06:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-12-07 12:06:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2019-12-07 12:06:55,077 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2019-12-07 12:06:55,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:06:55,078 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2019-12-07 12:06:55,078 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:06:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2019-12-07 12:06:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 12:06:55,079 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:06:55,079 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:06:55,279 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:06:55,280 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:06:55,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:06:55,281 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2019-12-07 12:06:55,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:06:55,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872940505] [2019-12-07 12:06:55,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/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 [2019-12-07 12:06:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:06:55,464 INFO L264 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjunts are in the unsatisfiable core [2019-12-07 12:06:55,467 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:06:56,625 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:06:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:06:56,873 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:06:58,097 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-12-07 12:06:59,328 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-12-07 12:07:01,178 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-12-07 12:07:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:07:15,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872940505] [2019-12-07 12:07:15,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:07:15,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 13] imperfect sequences [] total 25 [2019-12-07 12:07:15,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359238576] [2019-12-07 12:07:15,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-12-07 12:07:15,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:07:15,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-12-07 12:07:15,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=518, Unknown=2, NotChecked=0, Total=600 [2019-12-07 12:07:15,538 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand 25 states. [2019-12-07 12:07:17,631 WARN L192 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-12-07 12:07:21,727 WARN L192 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 55 [2019-12-07 12:07:26,275 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 48 [2019-12-07 12:07:27,258 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-12-07 12:07:34,388 WARN L192 SmtUtils]: Spent 3.78 s on a formula simplification that was a NOOP. DAG size: 60 [2019-12-07 12:07:35,747 WARN L192 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-12-07 12:07:40,908 WARN L192 SmtUtils]: Spent 4.58 s on a formula simplification that was a NOOP. DAG size: 65 [2019-12-07 12:07:43,167 WARN L192 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 73 [2019-12-07 12:07:48,875 WARN L192 SmtUtils]: Spent 4.71 s on a formula simplification that was a NOOP. DAG size: 71 [2019-12-07 12:07:53,560 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-12-07 12:07:58,927 WARN L192 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-12-07 12:08:01,703 WARN L192 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 78 [2019-12-07 12:08:09,243 WARN L192 SmtUtils]: Spent 6.15 s on a formula simplification that was a NOOP. DAG size: 102 [2019-12-07 12:08:11,742 WARN L192 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 59 [2019-12-07 12:08:20,447 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-12-07 12:08:22,208 WARN L192 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 81 [2019-12-07 12:08:29,146 WARN L192 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 105 [2019-12-07 12:09:25,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:09:25,799 INFO L93 Difference]: Finished difference Result 344 states and 433 transitions. [2019-12-07 12:09:25,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-12-07 12:09:25,807 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 21 [2019-12-07 12:09:25,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:09:25,809 INFO L225 Difference]: With dead ends: 344 [2019-12-07 12:09:25,809 INFO L226 Difference]: Without dead ends: 245 [2019-12-07 12:09:25,811 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 70.2s TimeCoverageRelationStatistics Valid=500, Invalid=1659, Unknown=3, NotChecked=0, Total=2162 [2019-12-07 12:09:25,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-12-07 12:09:25,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 112. [2019-12-07 12:09:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-12-07 12:09:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2019-12-07 12:09:25,822 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 21 [2019-12-07 12:09:25,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:09:25,822 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2019-12-07 12:09:25,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-12-07 12:09:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2019-12-07 12:09:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:09:25,823 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:09:25,823 INFO L410 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] [2019-12-07 12:09:26,024 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:09:26,025 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:09:26,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:09:26,025 INFO L82 PathProgramCache]: Analyzing trace with hash -927908549, now seen corresponding path program 1 times [2019-12-07 12:09:26,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:09:26,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901209769] [2019-12-07 12:09:26,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/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 [2019-12-07 12:09:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:09:26,206 INFO L264 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 12:09:26,208 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:09:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:09:26,302 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:09:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:09:26,411 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901209769] [2019-12-07 12:09:26,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:09:26,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 12:09:26,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361361035] [2019-12-07 12:09:26,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 12:09:26,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:09:26,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 12:09:26,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:09:26,413 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. Second operand 10 states. [2019-12-07 12:09:27,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:09:27,185 INFO L93 Difference]: Finished difference Result 276 states and 354 transitions. [2019-12-07 12:09:27,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:09:27,187 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-12-07 12:09:27,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:09:27,188 INFO L225 Difference]: With dead ends: 276 [2019-12-07 12:09:27,188 INFO L226 Difference]: Without dead ends: 195 [2019-12-07 12:09:27,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2019-12-07 12:09:27,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-12-07 12:09:27,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 104. [2019-12-07 12:09:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-12-07 12:09:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2019-12-07 12:09:27,199 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 24 [2019-12-07 12:09:27,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:09:27,199 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2019-12-07 12:09:27,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 12:09:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2019-12-07 12:09:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:09:27,200 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:09:27,200 INFO L410 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] [2019-12-07 12:09:27,400 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:09:27,401 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:09:27,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:09:27,402 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2019-12-07 12:09:27,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:09:27,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897879937] [2019-12-07 12:09:27,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/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 [2019-12-07 12:09:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:09:27,563 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 12:09:27,565 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:09:27,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:09:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:09:27,656 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:09:27,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:09:27,855 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897879937] [2019-12-07 12:09:27,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:09:27,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2019-12-07 12:09:27,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227492264] [2019-12-07 12:09:27,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-07 12:09:27,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:09:27,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-07 12:09:27,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2019-12-07 12:09:27,856 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand 17 states. [2019-12-07 12:09:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:09:33,860 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2019-12-07 12:09:33,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 12:09:33,870 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 26 [2019-12-07 12:09:33,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:09:33,871 INFO L225 Difference]: With dead ends: 128 [2019-12-07 12:09:33,871 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 12:09:33,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=229, Invalid=641, Unknown=0, NotChecked=0, Total=870 [2019-12-07 12:09:33,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 12:09:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 102. [2019-12-07 12:09:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-12-07 12:09:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 127 transitions. [2019-12-07 12:09:33,880 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 127 transitions. Word has length 26 [2019-12-07 12:09:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:09:33,881 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 127 transitions. [2019-12-07 12:09:33,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-07 12:09:33,881 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2019-12-07 12:09:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:09:33,882 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:09:33,882 INFO L410 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] [2019-12-07 12:09:34,082 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:09:34,083 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:09:34,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:09:34,084 INFO L82 PathProgramCache]: Analyzing trace with hash 121389570, now seen corresponding path program 1 times [2019-12-07 12:09:34,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:09:34,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381447140] [2019-12-07 12:09:34,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/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 [2019-12-07 12:09:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:09:34,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2019-12-07 12:09:34,274 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:09:34,611 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:09:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:09:34,705 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:10:12,057 WARN L192 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 19 [2019-12-07 12:10:14,071 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 32)) (v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= c_ULTIMATE.start___ieee754_hypotf_~x (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_13|)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5)) (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)) (let ((.cse0 (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_13|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))))) is different from false [2019-12-07 12:10:14,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:14,082 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381447140] [2019-12-07 12:10:14,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:10:14,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 22 [2019-12-07 12:10:14,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313491019] [2019-12-07 12:10:14,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-12-07 12:10:14,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:10:14,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-12-07 12:10:14,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=353, Unknown=18, NotChecked=38, Total=462 [2019-12-07 12:10:14,083 INFO L87 Difference]: Start difference. First operand 102 states and 127 transitions. Second operand 22 states. [2019-12-07 12:10:16,231 WARN L192 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-12-07 12:10:17,907 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-12-07 12:10:20,349 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-12-07 12:10:20,555 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-12-07 12:10:23,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:10:23,751 INFO L93 Difference]: Finished difference Result 110 states and 134 transitions. [2019-12-07 12:10:23,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 12:10:23,752 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2019-12-07 12:10:23,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:10:23,753 INFO L225 Difference]: With dead ends: 110 [2019-12-07 12:10:23,753 INFO L226 Difference]: Without dead ends: 92 [2019-12-07 12:10:23,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 43.3s TimeCoverageRelationStatistics Valid=206, Invalid=710, Unknown=18, NotChecked=58, Total=992 [2019-12-07 12:10:23,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-12-07 12:10:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-12-07 12:10:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-12-07 12:10:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2019-12-07 12:10:23,759 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 26 [2019-12-07 12:10:23,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:10:23,760 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2019-12-07 12:10:23,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-12-07 12:10:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2019-12-07 12:10:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 12:10:23,761 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:10:23,761 INFO L410 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] [2019-12-07 12:10:23,962 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:10:23,963 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:10:23,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:10:23,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1951072080, now seen corresponding path program 1 times [2019-12-07 12:10:23,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:10:23,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635037288] [2019-12-07 12:10:23,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/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 [2019-12-07 12:10:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:10:24,428 INFO L264 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 12:10:24,430 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:10:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:24,750 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:10:30,478 WARN L192 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 12:10:32,506 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~a~0 (_ FloatingPoint 8 24))) (not (let ((.cse0 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_hypotf_~ha~0)))) (fp.gt (fp.sub c_currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 .cse0) .cse0)))) is different from false [2019-12-07 12:10:36,567 WARN L192 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 13 [2019-12-07 12:10:47,306 WARN L192 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-12-07 12:10:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:47,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635037288] [2019-12-07 12:10:47,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:10:47,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-12-07 12:10:47,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949344317] [2019-12-07 12:10:47,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 12:10:47,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:10:47,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 12:10:47,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=4, NotChecked=22, Total=182 [2019-12-07 12:10:47,327 INFO L87 Difference]: Start difference. First operand 92 states and 116 transitions. Second operand 14 states. [2019-12-07 12:10:53,613 WARN L192 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-12-07 12:10:58,183 WARN L192 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 40 [2019-12-07 12:11:06,611 WARN L192 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 43 [2019-12-07 12:11:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:11:23,092 INFO L93 Difference]: Finished difference Result 140 states and 176 transitions. [2019-12-07 12:11:23,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 12:11:23,102 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 34 [2019-12-07 12:11:23,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:11:23,102 INFO L225 Difference]: With dead ends: 140 [2019-12-07 12:11:23,102 INFO L226 Difference]: Without dead ends: 101 [2019-12-07 12:11:23,103 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 35.8s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=4, NotChecked=36, Total=420 [2019-12-07 12:11:23,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-12-07 12:11:23,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2019-12-07 12:11:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-12-07 12:11:23,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 119 transitions. [2019-12-07 12:11:23,108 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 119 transitions. Word has length 34 [2019-12-07 12:11:23,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:11:23,108 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 119 transitions. [2019-12-07 12:11:23,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 12:11:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2019-12-07 12:11:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 12:11:23,109 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:11:23,110 INFO L410 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] [2019-12-07 12:11:23,310 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 12:11:23,311 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:11:23,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:11:23,312 INFO L82 PathProgramCache]: Analyzing trace with hash 13172387, now seen corresponding path program 1 times [2019-12-07 12:11:23,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:11:23,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726615349] [2019-12-07 12:11:23,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d336467-75c2-4f09-8417-a7b337771d2a/bin/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 [2019-12-07 12:11:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:11:23,903 INFO L264 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 12:11:23,906 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:11:24,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:11:24,058 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:11:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:11:24,547 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726615349] [2019-12-07 12:11:24,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:11:24,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-07 12:11:24,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748755174] [2019-12-07 12:11:24,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 12:11:24,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:11:24,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 12:11:24,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-12-07 12:11:24,548 INFO L87 Difference]: Start difference. First operand 95 states and 119 transitions. Second operand 12 states. [2019-12-07 12:11:24,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:11:24,869 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2019-12-07 12:11:24,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 12:11:24,870 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2019-12-07 12:11:24,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:11:24,871 INFO L225 Difference]: With dead ends: 95 [2019-12-07 12:11:24,871 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:11:24,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2019-12-07 12:11:24,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:11:24,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:11:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:11:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:11:24,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-12-07 12:11:24,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:11:24,872 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:11:24,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 12:11:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:11:24,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:11:25,073 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 12:11:25,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:11:44,931 WARN L192 SmtUtils]: Spent 19.71 s on a formula simplification. DAG size of input: 185 DAG size of output: 131 [2019-12-07 12:12:09,208 WARN L192 SmtUtils]: Spent 24.27 s on a formula simplification. DAG size of input: 217 DAG size of output: 187 [2019-12-07 12:12:25,410 WARN L192 SmtUtils]: Spent 16.14 s on a formula simplification. DAG size of input: 201 DAG size of output: 143 [2019-12-07 12:12:25,513 INFO L246 CegarLoopResult]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2019-12-07 12:12:25,513 INFO L246 CegarLoopResult]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2019-12-07 12:12:25,513 INFO L246 CegarLoopResult]: For program point L35-5(lines 35 39) no Hoare annotation was computed. [2019-12-07 12:12:25,513 INFO L246 CegarLoopResult]: For program point L234(lines 234 237) no Hoare annotation was computed. [2019-12-07 12:12:25,513 INFO L246 CegarLoopResult]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2019-12-07 12:12:25,513 INFO L242 CegarLoopResult]: At program point L36-3(lines 36 37) the Hoare annotation is: false [2019-12-07 12:12:25,513 INFO L246 CegarLoopResult]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2019-12-07 12:12:25,513 INFO L246 CegarLoopResult]: For program point L36-7(lines 36 37) no Hoare annotation was computed. [2019-12-07 12:12:25,513 INFO L242 CegarLoopResult]: At program point L36-8(lines 36 37) the Hoare annotation is: false [2019-12-07 12:12:25,513 INFO L246 CegarLoopResult]: For program point L36-9(lines 36 37) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L249 CegarLoopResult]: At program point L238(lines 222 239) the Hoare annotation is: true [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L139(lines 139 143) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L139-1(lines 121 144) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L242 CegarLoopResult]: At program point L73-2(lines 73 77) the Hoare annotation is: false [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L73-5(lines 73 77) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L242 CegarLoopResult]: At program point L73-6(lines 73 77) the Hoare annotation is: false [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L73-7(lines 73 77) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L107(lines 107 111) no Hoare annotation was computed. [2019-12-07 12:12:25,514 INFO L246 CegarLoopResult]: For program point L107-1(lines 81 208) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L242 CegarLoopResult]: At program point L207(lines 81 208) the Hoare annotation is: (let ((.cse2 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (.cse3 (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_hypotf_~x)))) (or (let ((.cse0 (not (bvsgt (bvadd (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32))))) (and (or .cse0 (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (not (= (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))) (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32))))) (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_hypotf_~x) (or (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))))) .cse0) (= currentRoundingMode roundNearestTiesToEven) (or (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0))))) .cse0))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_hypotf_~a~0 (let ((.cse1 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) .cse2 .cse3 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start___ieee754_hypotf_#res| (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= ULTIMATE.start___ieee754_hypotf_~w~0 (let ((.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35) ULTIMATE.start___ieee754_hypotf_~hb~0)) (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (or (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (not (= (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)) (_ bv0 32)))) (or (and .cse2 .cse3) (and (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))) .cse3))))) [2019-12-07 12:12:25,515 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L246 CegarLoopResult]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L246 CegarLoopResult]: For program point L42-3(lines 42 43) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L246 CegarLoopResult]: For program point L42-5(lines 42 43) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L246 CegarLoopResult]: For program point L175(lines 175 198) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L246 CegarLoopResult]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L246 CegarLoopResult]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L242 CegarLoopResult]: At program point L176-2(lines 176 180) the Hoare annotation is: false [2019-12-07 12:12:25,515 INFO L246 CegarLoopResult]: For program point L176-3(lines 176 180) no Hoare annotation was computed. [2019-12-07 12:12:25,515 INFO L242 CegarLoopResult]: At program point L78(lines 14 79) the Hoare annotation is: false [2019-12-07 12:12:25,515 INFO L242 CegarLoopResult]: At program point L78-1(lines 14 79) the Hoare annotation is: false [2019-12-07 12:12:25,516 INFO L246 CegarLoopResult]: For program point L145(lines 145 172) no Hoare annotation was computed. [2019-12-07 12:12:25,516 INFO L246 CegarLoopResult]: For program point L112(lines 112 116) no Hoare annotation was computed. [2019-12-07 12:12:25,516 INFO L246 CegarLoopResult]: For program point L112-1(lines 81 208) no Hoare annotation was computed. [2019-12-07 12:12:25,516 INFO L246 CegarLoopResult]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2019-12-07 12:12:25,516 INFO L246 CegarLoopResult]: For program point L146(lines 146 171) no Hoare annotation was computed. [2019-12-07 12:12:25,516 INFO L246 CegarLoopResult]: For program point L213-1(lines 213 217) no Hoare annotation was computed. [2019-12-07 12:12:25,516 INFO L242 CegarLoopResult]: At program point L213-2(lines 213 217) the Hoare annotation is: (let ((.cse1 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (.cse2 (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_hypotf_~x)))) (or (let ((.cse0 (not (bvsgt (bvadd (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32))))) (and (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)) ULTIMATE.start_isinf_float_~x)) (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)))) (or .cse0 (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (not (= (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))) (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32))))) (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_hypotf_~x) (or (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))))) .cse0) (= currentRoundingMode roundNearestTiesToEven) (or (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0))))) .cse0))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35) ULTIMATE.start___ieee754_hypotf_~hb~0)) (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)) ULTIMATE.start_isinf_float_~x)))) (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (or (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (not (= (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)) (_ bv0 32)))) (or (and .cse1 .cse2) (and (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))) .cse2))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_hypotf_~a~0 (let ((.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) .cse1 .cse2 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start___ieee754_hypotf_#res| (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_isinf_float_~x (let ((.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= ULTIMATE.start___ieee754_hypotf_~w~0 (let ((.cse6 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))))))))) [2019-12-07 12:12:25,516 INFO L246 CegarLoopResult]: For program point L213-3(lines 213 217) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L148(lines 148 171) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L242 CegarLoopResult]: At program point L149-2(lines 149 153) the Hoare annotation is: false [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L149-3(lines 149 153) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L242 CegarLoopResult]: At program point L50-2(lines 50 59) the Hoare annotation is: false [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L242 CegarLoopResult]: At program point L50-6(lines 50 59) the Hoare annotation is: false [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L50-7(lines 14 79) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 89) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_hypotf_~x)) (= currentRoundingMode roundNearestTiesToEven) (forall ((v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)) ULTIMATE.start___ieee754_hypotf_~a~0)) (= (_ bv0 32) (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5) (_ bv2155872256 32)))))) [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L242 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-12-07 12:12:25,517 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:12:25,518 INFO L246 CegarLoopResult]: For program point L52-5(lines 52 56) no Hoare annotation was computed. [2019-12-07 12:12:25,518 INFO L246 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:12:25,518 INFO L242 CegarLoopResult]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2019-12-07 12:12:25,518 INFO L246 CegarLoopResult]: For program point L19-7(lines 19 23) no Hoare annotation was computed. [2019-12-07 12:12:25,518 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:12:25,518 INFO L246 CegarLoopResult]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2019-12-07 12:12:25,518 INFO L242 CegarLoopResult]: At program point L185-2(lines 185 189) the Hoare annotation is: false [2019-12-07 12:12:25,518 INFO L246 CegarLoopResult]: For program point L185-3(lines 185 189) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L242 CegarLoopResult]: At program point L219(lines 211 220) the Hoare annotation is: (let ((.cse2 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (.cse4 (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_hypotf_~x))) (.cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_hypotf_~a~0 (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) .cse1 .cse2 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (let ((.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) .cse4 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start___ieee754_hypotf_#res| (let ((.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_isinf_float_~x (let ((.cse6 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_36 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (= ULTIMATE.start___ieee754_hypotf_~w~0 (let ((.cse7 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_36))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35) ULTIMATE.start___ieee754_hypotf_~hb~0)) .cse1 (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)) ULTIMATE.start_isinf_float_~x)))) (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (or (forall ((v_skolemized_v_prenex_5_4 (_ BitVec 32))) (or (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_4) (_ bv2155872256 32)) (_ bv0 32)) (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_skolemized_v_prenex_5_4) ((_ extract 30 23) v_skolemized_v_prenex_5_4) ((_ extract 22 0) v_skolemized_v_prenex_5_4)))))) (not (= (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)) (_ bv0 32)))) (or (and .cse2 .cse4) (and (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))) .cse4)) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp (_ bv0 1) (_ bv255 8) (_ bv0 23)))) (let ((.cse10 (not (bvsgt (bvadd (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32))))) (and .cse1 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_27 (_ BitVec 32))) (let ((.cse8 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)) (.cse9 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_27))) (and (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)))) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26))) (bvsgt (bvadd .cse8 (bvneg .cse9)) (_ bv251658240 32))))) (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)) ULTIMATE.start_isinf_float_~x)) (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)))) (or .cse10 (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (not (= (fp.add currentRoundingMode (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))) (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32))))) (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_hypotf_~x) (or (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~hb~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)))))) .cse10) (= currentRoundingMode roundNearestTiesToEven) (or (forall ((v_skolemized_v_prenex_5_3 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_3) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_3) ((_ extract 30 23) v_skolemized_v_prenex_5_3) ((_ extract 22 0) v_skolemized_v_prenex_5_3)) (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0))))) .cse10))))) [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L121(lines 121 144) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L122(lines 122 129) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L124(lines 124 125) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L242 CegarLoopResult]: At program point L91-2(lines 91 95) the Hoare annotation is: (and (forall ((v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)) ULTIMATE.start___ieee754_hypotf_~a~0)) (= (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5) (_ bv2139095040 32)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_hypotf_~x)) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode) (v_ULTIMATE.start___ieee754_hypotf_~ha~0_46 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_46) ULTIMATE.start___ieee754_hypotf_~ha~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~ha~0_46) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~ha~0_46) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~ha~0_46)))))) [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L91-3(lines 91 95) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L242 CegarLoopResult]: At program point L191-2(lines 191 195) the Hoare annotation is: false [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L191-3(lines 191 195) no Hoare annotation was computed. [2019-12-07 12:12:25,519 INFO L246 CegarLoopResult]: For program point L26(lines 26 27) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L26-1(lines 26 27) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L242 CegarLoopResult]: At program point L161-2(lines 161 165) the Hoare annotation is: false [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L29-1(lines 29 30) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L63(lines 63 69) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L63-2(lines 63 69) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L97(lines 97 106) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L65(lines 65 68) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point L65-3(lines 65 68) no Hoare annotation was computed. [2019-12-07 12:12:25,520 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2019-12-07 12:12:25,521 INFO L246 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2019-12-07 12:12:25,521 INFO L246 CegarLoopResult]: For program point L166-1(lines 157 171) no Hoare annotation was computed. [2019-12-07 12:12:25,521 INFO L246 CegarLoopResult]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2019-12-07 12:12:25,521 INFO L242 CegarLoopResult]: At program point L200-2(lines 200 204) the Hoare annotation is: false [2019-12-07 12:12:25,521 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2019-12-07 12:12:25,521 INFO L246 CegarLoopResult]: For program point L200-3(lines 200 204) no Hoare annotation was computed. [2019-12-07 12:12:25,521 INFO L242 CegarLoopResult]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2019-12-07 12:12:25,521 INFO L246 CegarLoopResult]: For program point L35(lines 35 39) no Hoare annotation was computed. [2019-12-07 12:12:25,525 FATAL L? ?]: 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.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.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:106) 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:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) 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:120) 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) [2019-12-07 12:12:25,527 INFO L168 Benchmark]: Toolchain (without parser) took 336631.48 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.0 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -204.7 MB). Peak memory consumption was 359.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:25,527 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:12:25,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:25,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.73 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. [2019-12-07 12:12:25,528 INFO L168 Benchmark]: Boogie Preprocessor took 40.15 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. [2019-12-07 12:12:25,529 INFO L168 Benchmark]: RCFGBuilder took 5553.29 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:25,529 INFO L168 Benchmark]: TraceAbstraction took 330738.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 95.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -111.7 MB). Peak memory consumption was 322.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:12:25,531 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.73 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. * Boogie Preprocessor took 40.15 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. * RCFGBuilder took 5553.29 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 330738.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 95.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -111.7 MB). Peak memory consumption was 322.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 235]: 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 - 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.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...