./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10a40ae7adec46612fdb7803d59192d0369e9c54 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10a40ae7adec46612fdb7803d59192d0369e9c54 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-a4ecdab [2020-11-29 18:40:22,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:40:22,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:40:23,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:40:23,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:40:23,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:40:23,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:40:23,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:40:23,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:40:23,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:40:23,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:40:23,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:40:23,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:40:23,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:40:23,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:40:23,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:40:23,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:40:23,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:40:23,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:40:23,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:40:23,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:40:23,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:40:23,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:40:23,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:40:23,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:40:23,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:40:23,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:40:23,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:40:23,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:40:23,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:40:23,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:40:23,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:40:23,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:40:23,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:40:23,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:40:23,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:40:23,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:40:23,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:40:23,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:40:23,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:40:23,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:40:23,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:40:23,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:40:23,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:40:23,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:40:23,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:40:23,127 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:40:23,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:40:23,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:40:23,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:40:23,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:40:23,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:40:23,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:40:23,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:40:23,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:40:23,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:40:23,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:40:23,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:40:23,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:40:23,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:40:23,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:40:23,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:40:23,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:40:23,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:40:23,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:40:23,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:40:23,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:40:23,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:40:23,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:40:23,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:40:23,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:40:23,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a40ae7adec46612fdb7803d59192d0369e9c54 [2020-11-29 18:40:23,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:40:23,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:40:23,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:40:23,444 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:40:23,445 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:40:23,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2020-11-29 18:40:23,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data/59773802e/15f9d7d21f104ee493a4e409e5ee3007/FLAG5f4a79207 [2020-11-29 18:40:24,215 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:40:24,215 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2020-11-29 18:40:24,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data/59773802e/15f9d7d21f104ee493a4e409e5ee3007/FLAG5f4a79207 [2020-11-29 18:40:24,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data/59773802e/15f9d7d21f104ee493a4e409e5ee3007 [2020-11-29 18:40:24,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:40:24,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:40:24,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:40:24,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:40:24,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:40:24,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:40:24" (1/1) ... [2020-11-29 18:40:24,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44163806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:24, skipping insertion in model container [2020-11-29 18:40:24,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:40:24" (1/1) ... [2020-11-29 18:40:24,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:40:24,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:40:24,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:40:24,969 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:40:25,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:40:25,102 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:40:25,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25 WrapperNode [2020-11-29 18:40:25,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:40:25,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:40:25,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:40:25,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:40:25,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:40:25,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:40:25,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:40:25,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:40:25,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... [2020-11-29 18:40:25,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:40:25,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:40:25,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:40:25,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:40:25,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:40:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:40:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:40:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 18:40:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:40:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 18:40:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:40:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:40:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 18:40:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:40:26,473 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:40:26,473 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-11-29 18:40:26,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:40:26 BoogieIcfgContainer [2020-11-29 18:40:26,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:40:26,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:40:26,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:40:26,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:40:26,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:40:24" (1/3) ... [2020-11-29 18:40:26,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e04f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:40:26, skipping insertion in model container [2020-11-29 18:40:26,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:25" (2/3) ... [2020-11-29 18:40:26,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e04f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:40:26, skipping insertion in model container [2020-11-29 18:40:26,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:40:26" (3/3) ... [2020-11-29 18:40:26,486 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2020-11-29 18:40:26,496 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:40:26,500 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:40:26,511 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:40:26,540 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:40:26,540 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:40:26,540 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:40:26,540 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:40:26,540 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:40:26,540 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:40:26,541 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:40:26,541 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:40:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-11-29 18:40:26,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:40:26,567 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:26,568 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:26,568 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:26,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:26,575 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-11-29 18:40:26,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:26,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812723405] [2020-11-29 18:40:26,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:26,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:40:26,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812723405] [2020-11-29 18:40:26,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:26,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:40:26,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632152403] [2020-11-29 18:40:26,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:40:26,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:40:26,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:40:26,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:40:26,762 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-11-29 18:40:26,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:26,796 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-11-29 18:40:26,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:40:26,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 18:40:26,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:26,809 INFO L225 Difference]: With dead ends: 213 [2020-11-29 18:40:26,810 INFO L226 Difference]: Without dead ends: 104 [2020-11-29 18:40:26,813 INFO L677 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 [2020-11-29 18:40:26,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-29 18:40:26,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-11-29 18:40:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-29 18:40:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-11-29 18:40:26,864 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-11-29 18:40:26,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:26,865 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-11-29 18:40:26,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:40:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-11-29 18:40:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:40:26,866 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:26,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:26,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:40:26,867 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:26,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:26,868 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-11-29 18:40:26,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:40:26,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737976772] [2020-11-29 18:40:26,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:40:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:40:27,007 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:40:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:40:27,077 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:40:27,117 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:40:27,120 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:40:27,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:40:27,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:40:27 BoogieIcfgContainer [2020-11-29 18:40:27,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:40:27,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:40:27,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:40:27,197 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:40:27,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:40:26" (3/4) ... [2020-11-29 18:40:27,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:40:27,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:40:27,205 INFO L168 Benchmark]: Toolchain (without parser) took 2658.96 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 44.9 MB in the end (delta: 30.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:40:27,207 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:40:27,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.05 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 80.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:40:27,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.94 ms. Allocated memory is still 107.0 MB. Free memory was 80.1 MB in the beginning and 76.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:40:27,211 INFO L168 Benchmark]: Boogie Preprocessor took 105.27 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 74.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:40:27,212 INFO L168 Benchmark]: RCFGBuilder took 1160.35 ms. Allocated memory is still 107.0 MB. Free memory was 74.4 MB in the beginning and 75.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:40:27,213 INFO L168 Benchmark]: TraceAbstraction took 717.95 ms. Allocated memory is still 107.0 MB. Free memory was 74.9 MB in the beginning and 45.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:40:27,214 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 107.0 MB. Free memory was 45.5 MB in the beginning and 44.9 MB in the end (delta: 567.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:40:27,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 37.7 MB in the beginning and 37.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 559.05 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 80.1 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.94 ms. Allocated memory is still 107.0 MB. Free memory was 80.1 MB in the beginning and 76.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.27 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 74.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1160.35 ms. Allocated memory is still 107.0 MB. Free memory was 74.4 MB in the beginning and 75.7 MB in the end (delta: -1.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 717.95 ms. Allocated memory is still 107.0 MB. Free memory was 74.9 MB in the beginning and 45.5 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.74 ms. Allocated memory is still 107.0 MB. Free memory was 45.5 MB in the beginning and 44.9 MB in the end (delta: 567.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 220. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L231] float x = 1.0f / 0.0f; [L232] float y = __VERIFIER_nondet_float(); [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L99] COND FALSE !(hb > ha) [L106] a = x [L107] b = y VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L233] float res = __ieee754_hypotf(x, y); [L214] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L216] ieee_float_shape_type gf_u; [L217] gf_u.value = (x) [L218] EXPR gf_u.word [L218] (ix) = gf_u.word [L220] ix &= 0x7fffffff [L221] return ((ix) == 0x7f800000L); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L235] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_1270a.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 139 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=108occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:40:30,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:40:30,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:40:30,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-29 18:40:30,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:40:30,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:40:30,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:40:30,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:40:30,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:40:30,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:40:30,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:40:30,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:40:30,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:40:30,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:40:30,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:40:30,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 18:40:30,325 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:40:30,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:40:30,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:40:30,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:40:30,327 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:40:30,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:40:30,328 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:40:30,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:40:30,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:40:30,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:40:30,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:40:30,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:40:30,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:40:30,329 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:40:30,329 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:40:30,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:40:30,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:40:30,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:40:30,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:40:30,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:40:30,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:40:30,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:40:30,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:40:30,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:40:30,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:40:30,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:40:30,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:40:30,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:40:30,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:40:30,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:40:30,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:40:30,333 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a40ae7adec46612fdb7803d59192d0369e9c54 [2020-11-29 18:40:30,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:40:30,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:40:30,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:40:30,803 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:40:30,804 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:40:30,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2020-11-29 18:40:30,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data/770647afa/63739e4f9b1b4fabacadb8d7e71866c6/FLAG89e2185a6 [2020-11-29 18:40:31,476 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:40:31,477 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2020-11-29 18:40:31,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data/770647afa/63739e4f9b1b4fabacadb8d7e71866c6/FLAG89e2185a6 [2020-11-29 18:40:31,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/data/770647afa/63739e4f9b1b4fabacadb8d7e71866c6 [2020-11-29 18:40:31,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:40:31,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:40:31,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:40:31,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:40:31,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:40:31,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:40:31" (1/1) ... [2020-11-29 18:40:31,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116647a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:31, skipping insertion in model container [2020-11-29 18:40:31,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:40:31" (1/1) ... [2020-11-29 18:40:31,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:40:31,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:40:32,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:40:32,177 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:40:32,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:40:32,331 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:40:32,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32 WrapperNode [2020-11-29 18:40:32,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:40:32,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:40:32,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:40:32,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:40:32,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:40:32,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:40:32,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:40:32,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:40:32,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... [2020-11-29 18:40:32,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:40:32,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:40:32,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:40:32,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:40:32,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:40:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 18:40:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:40:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 18:40:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 18:40:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:40:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:40:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 18:40:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 18:40:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:40:39,815 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:40:39,815 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-11-29 18:40:39,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:40:39 BoogieIcfgContainer [2020-11-29 18:40:39,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:40:39,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:40:39,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:40:39,823 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:40:39,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:40:31" (1/3) ... [2020-11-29 18:40:39,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752350b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:40:39, skipping insertion in model container [2020-11-29 18:40:39,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:40:32" (2/3) ... [2020-11-29 18:40:39,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752350b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:40:39, skipping insertion in model container [2020-11-29 18:40:39,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:40:39" (3/3) ... [2020-11-29 18:40:39,826 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2020-11-29 18:40:39,849 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:40:39,854 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:40:39,867 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:40:39,895 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:40:39,895 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:40:39,895 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:40:39,895 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:40:39,896 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:40:39,896 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:40:39,896 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:40:39,896 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:40:39,914 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-11-29 18:40:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:40:39,920 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:39,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:39,922 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:39,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:39,928 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-11-29 18:40:39,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:40:39,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2371945] [2020-11-29 18:40:39,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 18:40:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:40,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 18:40:40,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:40:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:40:40,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:40:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:40:40,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2371945] [2020-11-29 18:40:40,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:40:40,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 18:40:40,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794546913] [2020-11-29 18:40:40,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:40:40,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:40:40,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:40:40,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:40:40,190 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-11-29 18:40:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:40:40,245 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-11-29 18:40:40,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:40:40,247 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-29 18:40:40,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:40:40,264 INFO L225 Difference]: With dead ends: 213 [2020-11-29 18:40:40,264 INFO L226 Difference]: Without dead ends: 104 [2020-11-29 18:40:40,267 INFO L677 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 [2020-11-29 18:40:40,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-29 18:40:40,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-11-29 18:40:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-29 18:40:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-11-29 18:40:40,316 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-11-29 18:40:40,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:40:40,316 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-11-29 18:40:40,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:40:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-11-29 18:40:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:40:40,317 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:40:40,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:40:40,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 18:40:40,527 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:40:40,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:40:40,528 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-11-29 18:40:40,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:40:40,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655370765] [2020-11-29 18:40:40,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/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 [2020-11-29 18:40:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:40:40,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2020-11-29 18:40:40,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:40:42,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:40:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:40:42,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:40:43,989 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-29 18:40:45,733 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 18:40:47,987 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-29 18:41:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:41:10,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655370765] [2020-11-29 18:41:10,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:41:10,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 13] imperfect sequences [] total 24 [2020-11-29 18:41:10,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438125168] [2020-11-29 18:41:10,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-29 18:41:10,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:41:10,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-29 18:41:10,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=470, Unknown=6, NotChecked=0, Total=552 [2020-11-29 18:41:10,722 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand 24 states. [2020-11-29 18:41:21,429 WARN L193 SmtUtils]: Spent 8.52 s on a formula simplification that was a NOOP. DAG size: 54 [2020-11-29 18:41:26,165 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 47 [2020-11-29 18:41:27,302 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-11-29 18:41:39,327 WARN L193 SmtUtils]: Spent 7.31 s on a formula simplification that was a NOOP. DAG size: 59 [2020-11-29 18:41:40,853 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 18:41:48,172 WARN L193 SmtUtils]: Spent 6.57 s on a formula simplification that was a NOOP. DAG size: 64 [2020-11-29 18:41:50,884 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 58 [2020-11-29 18:41:59,168 WARN L193 SmtUtils]: Spent 7.22 s on a formula simplification that was a NOOP. DAG size: 70 [2020-11-29 18:42:05,140 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-11-29 18:42:16,168 WARN L193 SmtUtils]: Spent 5.83 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-11-29 18:42:20,253 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 63 [2020-11-29 18:42:34,107 WARN L193 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 90 [2020-11-29 18:42:41,962 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 53 [2020-11-29 18:42:49,771 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-11-29 18:42:51,601 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 66 [2020-11-29 18:43:03,795 WARN L193 SmtUtils]: Spent 9.82 s on a formula simplification that was a NOOP. DAG size: 93 [2020-11-29 18:43:29,745 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 48 [2020-11-29 18:44:07,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:44:07,085 INFO L93 Difference]: Finished difference Result 356 states and 440 transitions. [2020-11-29 18:44:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-29 18:44:07,096 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 21 [2020-11-29 18:44:07,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:44:07,101 INFO L225 Difference]: With dead ends: 356 [2020-11-29 18:44:07,101 INFO L226 Difference]: Without dead ends: 257 [2020-11-29 18:44:07,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 117.0s TimeCoverageRelationStatistics Valid=489, Invalid=1485, Unknown=6, NotChecked=0, Total=1980 [2020-11-29 18:44:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-11-29 18:44:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 112. [2020-11-29 18:44:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-11-29 18:44:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2020-11-29 18:44:07,124 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 21 [2020-11-29 18:44:07,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:44:07,124 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2020-11-29 18:44:07,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-29 18:44:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2020-11-29 18:44:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:44:07,126 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:44:07,126 INFO L422 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] [2020-11-29 18:44:07,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 18:44:07,328 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:44:07,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:07,329 INFO L82 PathProgramCache]: Analyzing trace with hash -927908549, now seen corresponding path program 1 times [2020-11-29 18:44:07,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:44:07,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213059024] [2020-11-29 18:44:07,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/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 [2020-11-29 18:44:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:07,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 18:44:07,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:44:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:07,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:44:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:07,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213059024] [2020-11-29 18:44:07,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:44:07,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 9 [2020-11-29 18:44:07,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528980619] [2020-11-29 18:44:07,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 18:44:07,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:44:07,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 18:44:07,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:44:07,845 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. Second operand 9 states. [2020-11-29 18:44:08,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:44:08,661 INFO L93 Difference]: Finished difference Result 276 states and 354 transitions. [2020-11-29 18:44:08,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:44:08,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-11-29 18:44:08,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:44:08,668 INFO L225 Difference]: With dead ends: 276 [2020-11-29 18:44:08,668 INFO L226 Difference]: Without dead ends: 195 [2020-11-29 18:44:08,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-11-29 18:44:08,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-11-29 18:44:08,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 104. [2020-11-29 18:44:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-29 18:44:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2020-11-29 18:44:08,705 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 24 [2020-11-29 18:44:08,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:44:08,705 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2020-11-29 18:44:08,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 18:44:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2020-11-29 18:44:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:44:08,708 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:44:08,708 INFO L422 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] [2020-11-29 18:44:08,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 18:44:08,938 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:44:08,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:08,939 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2020-11-29 18:44:08,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:44:08,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162867577] [2020-11-29 18:44:08,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/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 [2020-11-29 18:44:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:09,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 18:44:09,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:44:09,330 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:44:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:09,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:44:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:09,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162867577] [2020-11-29 18:44:09,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:44:09,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2020-11-29 18:44:09,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833701417] [2020-11-29 18:44:09,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-29 18:44:09,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:44:09,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-29 18:44:09,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-11-29 18:44:09,779 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand 17 states. [2020-11-29 18:44:14,596 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-29 18:44:18,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:44:18,864 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2020-11-29 18:44:18,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-29 18:44:18,888 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 26 [2020-11-29 18:44:18,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:44:18,889 INFO L225 Difference]: With dead ends: 128 [2020-11-29 18:44:18,890 INFO L226 Difference]: Without dead ends: 110 [2020-11-29 18:44:18,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=229, Invalid=641, Unknown=0, NotChecked=0, Total=870 [2020-11-29 18:44:18,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-29 18:44:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 102. [2020-11-29 18:44:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-11-29 18:44:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 127 transitions. [2020-11-29 18:44:18,923 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 127 transitions. Word has length 26 [2020-11-29 18:44:18,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:44:18,924 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 127 transitions. [2020-11-29 18:44:18,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-29 18:44:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2020-11-29 18:44:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:44:18,927 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:44:18,928 INFO L422 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] [2020-11-29 18:44:19,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 18:44:19,129 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:44:19,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:19,129 INFO L82 PathProgramCache]: Analyzing trace with hash 121389570, now seen corresponding path program 1 times [2020-11-29 18:44:19,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:44:19,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739432380] [2020-11-29 18:44:19,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/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 [2020-11-29 18:44:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:19,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-29 18:44:19,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:44:19,812 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 18:44:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:19,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:44:22,781 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= (let ((.cse0 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~ha~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (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)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5)))) is different from false [2020-11-29 18:44:24,820 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_1_5 (_ BitVec 32)) (v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= (let ((.cse0 (bvand (_ bv2147483647 32) v_skolemized_v_prenex_1_5))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (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)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5)) (not (= c_ULTIMATE.start___ieee754_hypotf_~x (fp ((_ extract 31 31) v_skolemized_v_prenex_1_5) ((_ extract 30 23) v_skolemized_v_prenex_1_5) ((_ extract 22 0) v_skolemized_v_prenex_1_5)))))) is different from false [2020-11-29 18:44:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:24,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739432380] [2020-11-29 18:44:24,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:44:24,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 12] imperfect sequences [] total 21 [2020-11-29 18:44:24,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106645823] [2020-11-29 18:44:24,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-29 18:44:24,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:44:24,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-29 18:44:24,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=301, Unknown=2, NotChecked=70, Total=420 [2020-11-29 18:44:24,834 INFO L87 Difference]: Start difference. First operand 102 states and 127 transitions. Second operand 21 states. [2020-11-29 18:44:26,801 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 18:44:27,017 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-11-29 18:44:29,422 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-11-29 18:44:29,682 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-11-29 18:44:33,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:44:33,420 INFO L93 Difference]: Finished difference Result 110 states and 134 transitions. [2020-11-29 18:44:33,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 18:44:33,422 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 26 [2020-11-29 18:44:33,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:44:33,423 INFO L225 Difference]: With dead ends: 110 [2020-11-29 18:44:33,423 INFO L226 Difference]: Without dead ends: 92 [2020-11-29 18:44:33,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=171, Invalid=537, Unknown=2, NotChecked=102, Total=812 [2020-11-29 18:44:33,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-11-29 18:44:33,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-11-29 18:44:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-29 18:44:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 116 transitions. [2020-11-29 18:44:33,446 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 116 transitions. Word has length 26 [2020-11-29 18:44:33,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:44:33,447 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 116 transitions. [2020-11-29 18:44:33,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-11-29 18:44:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 116 transitions. [2020-11-29 18:44:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:44:33,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:44:33,449 INFO L422 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] [2020-11-29 18:44:33,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 18:44:33,665 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:44:33,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:33,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1951072080, now seen corresponding path program 1 times [2020-11-29 18:44:33,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:44:33,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359384202] [2020-11-29 18:44:33,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/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 [2020-11-29 18:44:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:34,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 18:44:34,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:44:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:34,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:44:36,516 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 18:44:37,507 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-11-29 18:44:39,416 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-29 18:44:40,963 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-29 18:44:43,153 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse0 (_ bv1484783616 32)) (not (let ((.cse1 (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 (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) .cse1) .cse1)))))) is different from false [2020-11-29 18:44:45,382 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse0 (_ bv1484783616 32)) (not (let ((.cse1 (let ((.cse2 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~ha~0))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.gt (fp.sub c_currentRoundingMode (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) .cse1) .cse1)))))) is different from false [2020-11-29 18:44:58,707 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-29 18:44:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:58,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359384202] [2020-11-29 18:44:58,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:44:58,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 11] imperfect sequences [] total 19 [2020-11-29 18:44:58,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660805263] [2020-11-29 18:44:58,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-29 18:44:58,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:44:58,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-29 18:44:58,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=214, Unknown=4, NotChecked=62, Total=342 [2020-11-29 18:44:58,733 INFO L87 Difference]: Start difference. First operand 92 states and 116 transitions. Second operand 19 states. [2020-11-29 18:45:01,838 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (_ +zero 8 24)))) (and (= c_ULTIMATE.start___ieee754_hypotf_~x .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)) .cse0) (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse1 (_ bv1484783616 32)) (not (let ((.cse2 (let ((.cse3 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~ha~0))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (fp.gt (fp.sub c_currentRoundingMode (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) .cse2) .cse2)))))))) is different from false [2020-11-29 18:45:04,016 WARN L838 $PredicateComparison]: unable to prove that (and (= (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.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (_ +zero 8 24))) (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse0 (_ bv1484783616 32)) (not (let ((.cse1 (let ((.cse2 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~ha~0))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.gt (fp.sub c_currentRoundingMode (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) .cse1) .cse1))))))) is different from false [2020-11-29 18:45:08,104 WARN L838 $PredicateComparison]: unable to prove that (and (= (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.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (_ +zero 8 24))) (forall ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_hypotf_~hb~0))) (or (bvsgt .cse0 (_ bv1484783616 32)) (not (let ((.cse1 (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 (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) .cse1) .cse1))))))) is different from false [2020-11-29 18:45:24,039 WARN L193 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 31 [2020-11-29 18:45:39,838 WARN L193 SmtUtils]: Spent 6.67 s on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 18:45:40,669 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-11-29 18:45:41,832 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 18:46:11,133 WARN L193 SmtUtils]: Spent 19.18 s on a formula simplification that was a NOOP. DAG size: 33 [2020-11-29 18:46:27,237 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 27 [2020-11-29 18:47:00,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:00,694 INFO L93 Difference]: Finished difference Result 140 states and 176 transitions. [2020-11-29 18:47:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-29 18:47:00,705 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 34 [2020-11-29 18:47:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:00,706 INFO L225 Difference]: With dead ends: 140 [2020-11-29 18:47:00,707 INFO L226 Difference]: Without dead ends: 101 [2020-11-29 18:47:00,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 94.9s TimeCoverageRelationStatistics Valid=162, Invalid=451, Unknown=7, NotChecked=250, Total=870 [2020-11-29 18:47:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-29 18:47:00,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2020-11-29 18:47:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-11-29 18:47:00,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 119 transitions. [2020-11-29 18:47:00,718 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 119 transitions. Word has length 34 [2020-11-29 18:47:00,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:00,719 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 119 transitions. [2020-11-29 18:47:00,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-29 18:47:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2020-11-29 18:47:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 18:47:00,721 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:00,721 INFO L422 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] [2020-11-29 18:47:00,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 18:47:00,941 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:00,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:00,941 INFO L82 PathProgramCache]: Analyzing trace with hash 13172387, now seen corresponding path program 1 times [2020-11-29 18:47:00,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:47:00,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275953739] [2020-11-29 18:47:00,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17c53c1c-7641-4e58-bb1f-254d7e1ff464/bin/uautomizer/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 [2020-11-29 18:47:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:01,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 18:47:01,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:47:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:01,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:47:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:02,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275953739] [2020-11-29 18:47:02,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:02,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 11 [2020-11-29 18:47:02,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850650527] [2020-11-29 18:47:02,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-29 18:47:02,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:47:02,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 18:47:02,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-11-29 18:47:02,677 INFO L87 Difference]: Start difference. First operand 95 states and 119 transitions. Second operand 11 states. [2020-11-29 18:47:03,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:03,095 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2020-11-29 18:47:03,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:47:03,100 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2020-11-29 18:47:03,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:03,100 INFO L225 Difference]: With dead ends: 95 [2020-11-29 18:47:03,100 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:47:03,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-11-29 18:47:03,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:47:03,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:47:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:47:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:47:03,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-29 18:47:03,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:03,102 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:47:03,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-29 18:47:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:47:03,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:47:03,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-29 18:47:03,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:47:03,524 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 185 [2020-11-29 18:47:03,716 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-11-29 18:47:32,681 WARN L193 SmtUtils]: Spent 28.96 s on a formula simplification. DAG size of input: 149 DAG size of output: 111 [2020-11-29 18:48:08,531 WARN L193 SmtUtils]: Spent 35.85 s on a formula simplification. DAG size of input: 185 DAG size of output: 160 [2020-11-29 18:48:32,848 WARN L193 SmtUtils]: Spent 24.23 s on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2020-11-29 18:48:32,857 INFO L274 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-11-29 18:48:32,857 INFO L274 CegarLoopResult]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2020-11-29 18:48:32,857 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 18:48:32,857 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 18:48:32,858 INFO L274 CegarLoopResult]: For program point L235(lines 235 238) no Hoare annotation was computed. [2020-11-29 18:48:32,858 INFO L274 CegarLoopResult]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2020-11-29 18:48:32,858 INFO L270 CegarLoopResult]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2020-11-29 18:48:32,858 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2020-11-29 18:48:32,858 INFO L274 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2020-11-29 18:48:32,858 INFO L270 CegarLoopResult]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2020-11-29 18:48:32,858 INFO L274 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-11-29 18:48:32,858 INFO L274 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-11-29 18:48:32,858 INFO L274 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-11-29 18:48:32,859 INFO L274 CegarLoopResult]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2020-11-29 18:48:32,859 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-11-29 18:48:32,859 INFO L270 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-11-29 18:48:32,859 INFO L274 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-11-29 18:48:32,859 INFO L274 CegarLoopResult]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2020-11-29 18:48:32,859 INFO L270 CegarLoopResult]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2020-11-29 18:48:32,859 INFO L274 CegarLoopResult]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2020-11-29 18:48:32,859 INFO L277 CegarLoopResult]: At program point L239(lines 224 240) the Hoare annotation is: true [2020-11-29 18:48:32,859 INFO L274 CegarLoopResult]: For program point L141(lines 141 145) no Hoare annotation was computed. [2020-11-29 18:48:32,859 INFO L274 CegarLoopResult]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2020-11-29 18:48:32,859 INFO L274 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-11-29 18:48:32,860 INFO L270 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-11-29 18:48:32,860 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-11-29 18:48:32,860 INFO L274 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-11-29 18:48:32,860 INFO L270 CegarLoopResult]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2020-11-29 18:48:32,860 INFO L274 CegarLoopResult]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2020-11-29 18:48:32,868 INFO L274 CegarLoopResult]: For program point L109(lines 109 113) no Hoare annotation was computed. [2020-11-29 18:48:32,868 INFO L274 CegarLoopResult]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2020-11-29 18:48:32,869 INFO L270 CegarLoopResult]: At program point L209(lines 83 210) the Hoare annotation is: (let ((.cse0 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse1 (exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (or (and (or (not (= (_ bv0 32) (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (or (and .cse0 .cse1) (and .cse0 (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse2 (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)))) (and (= .cse2 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse2 ULTIMATE.start___ieee754_hypotf_~a~0)))) .cse0 .cse1 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse3 (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)))) (and (= .cse3 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse3 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse4 (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)))) (and (= .cse4 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse4 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))) (let ((.cse5 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (and (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (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))))))) .cse5) (= currentRoundingMode roundNearestTiesToEven) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (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_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) .cse5) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))))) .cse5))))) [2020-11-29 18:48:32,869 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-29 18:48:32,869 INFO L274 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-11-29 18:48:32,869 INFO L274 CegarLoopResult]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2020-11-29 18:48:32,870 INFO L274 CegarLoopResult]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2020-11-29 18:48:32,870 INFO L274 CegarLoopResult]: For program point L177(lines 177 200) no Hoare annotation was computed. [2020-11-29 18:48:32,870 INFO L274 CegarLoopResult]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2020-11-29 18:48:32,870 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2020-11-29 18:48:32,870 INFO L270 CegarLoopResult]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2020-11-29 18:48:32,870 INFO L274 CegarLoopResult]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2020-11-29 18:48:32,871 INFO L270 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: false [2020-11-29 18:48:32,871 INFO L270 CegarLoopResult]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2020-11-29 18:48:32,871 INFO L274 CegarLoopResult]: For program point L147(lines 147 174) no Hoare annotation was computed. [2020-11-29 18:48:32,871 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-11-29 18:48:32,871 INFO L274 CegarLoopResult]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2020-11-29 18:48:32,871 INFO L274 CegarLoopResult]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2020-11-29 18:48:32,872 INFO L274 CegarLoopResult]: For program point L148(lines 148 173) no Hoare annotation was computed. [2020-11-29 18:48:32,872 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2020-11-29 18:48:32,873 INFO L270 CegarLoopResult]: At program point L215-2(lines 215 219) the Hoare annotation is: (let ((.cse3 (exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse2 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (or (let ((.cse0 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (and (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (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))))))) .cse0) (= currentRoundingMode roundNearestTiesToEven) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) ULTIMATE.start_isinf_float_~x)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (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_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) .cse0) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))))) .cse0))) (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse1 (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)))) (and (= .cse1 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse1 ULTIMATE.start___ieee754_hypotf_~a~0)))) .cse2 .cse3 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse4 (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)))) (and (= .cse4 ULTIMATE.start_isinf_float_~x) (= .cse4 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse5 (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)))) (and (= .cse5 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse5 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse6 (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)))) (and (= .cse6 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse6 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))) (and (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)) ULTIMATE.start_isinf_float_~x)) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (or (not (= (_ bv0 32) (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (or (and .cse2 .cse3) (and .cse2 (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))))) [2020-11-29 18:48:32,873 INFO L274 CegarLoopResult]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2020-11-29 18:48:32,873 INFO L274 CegarLoopResult]: For program point L150(lines 150 173) no Hoare annotation was computed. [2020-11-29 18:48:32,873 INFO L274 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-11-29 18:48:32,873 INFO L270 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2020-11-29 18:48:32,873 INFO L274 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-11-29 18:48:32,873 INFO L270 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-11-29 18:48:32,873 INFO L274 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-11-29 18:48:32,873 INFO L270 CegarLoopResult]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2020-11-29 18:48:32,873 INFO L274 CegarLoopResult]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2020-11-29 18:48:32,873 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:48:32,874 INFO L274 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-11-29 18:48:32,874 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-29 18:48:32,874 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (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)))) (and (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 ULTIMATE.start___ieee754_hypotf_~a~0)))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-11-29 18:48:32,874 INFO L274 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-11-29 18:48:32,874 INFO L274 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-11-29 18:48:32,875 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-11-29 18:48:32,875 INFO L270 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-11-29 18:48:32,875 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-29 18:48:32,875 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-29 18:48:32,875 INFO L274 CegarLoopResult]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2020-11-29 18:48:32,875 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-29 18:48:32,875 INFO L270 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-11-29 18:48:32,876 INFO L274 CegarLoopResult]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2020-11-29 18:48:32,876 INFO L274 CegarLoopResult]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2020-11-29 18:48:32,876 INFO L270 CegarLoopResult]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2020-11-29 18:48:32,876 INFO L274 CegarLoopResult]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2020-11-29 18:48:32,877 INFO L270 CegarLoopResult]: At program point L221(lines 213 222) the Hoare annotation is: (let ((.cse2 (exists ((currentRoundingMode RoundingMode)) (= (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.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse1 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse6 (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (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)))) (and (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 ULTIMATE.start___ieee754_hypotf_~a~0)))) .cse1 .cse2 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse3 (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)))) (and (= .cse3 ULTIMATE.start_isinf_float_~x) (= .cse3 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse4 (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)))) (and (= .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))) (= .cse4 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse5 (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)))) (and (= .cse5 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse5 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse6 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse7 (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)))) (and (= .cse7 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse7 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))) (and (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)) ULTIMATE.start_isinf_float_~x)) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (or (not (= (_ bv0 32) (bvadd ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv2155872256 32)))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (let ((.cse8 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) (and (= (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)) (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))) (= (bvadd .cse8 (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_35 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_35))) .cse6 (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (or (and .cse1 .cse2) (and .cse1 (not (bvslt ULTIMATE.start___ieee754_hypotf_~hb~0 (_ bv645922816 32))))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~w~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) (let ((.cse9 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32))))) (and (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) (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))))))) .cse9) (= currentRoundingMode roundNearestTiesToEven) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)) ULTIMATE.start_isinf_float_~x)))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (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_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) .cse9) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) .cse6 (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (not (= |ULTIMATE.start___ieee754_hypotf_#res| (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse10 (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))) (.cse11 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_27))) (and (= (fp.add roundNearestTiesToEven .cse10 (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))) (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))) (= .cse10 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd (bvneg .cse11) ULTIMATE.start___ieee754_hypotf_~ha~0) (_ bv251658240 32))))) (or (forall ((v_ULTIMATE.start_isinf_float_~ix~1_10 (_ BitVec 32))) (or (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_10) (_ bv2139095040 32)) (not (= (fp.add currentRoundingMode ULTIMATE.start___ieee754_hypotf_~a~0 ULTIMATE.start___ieee754_hypotf_~b~0) (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_10) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_10)))))) .cse9))))) [2020-11-29 18:48:32,878 INFO L274 CegarLoopResult]: For program point L123(lines 123 146) no Hoare annotation was computed. [2020-11-29 18:48:32,878 INFO L274 CegarLoopResult]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2020-11-29 18:48:32,878 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:48:32,878 INFO L274 CegarLoopResult]: For program point L124(lines 124 131) no Hoare annotation was computed. [2020-11-29 18:48:32,878 INFO L274 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-11-29 18:48:32,879 INFO L274 CegarLoopResult]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2020-11-29 18:48:32,879 INFO L274 CegarLoopResult]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2020-11-29 18:48:32,879 INFO L270 CegarLoopResult]: At program point L93-2(lines 93 97) the Hoare annotation is: (let ((.cse1 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (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)))) (and (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 ULTIMATE.start___ieee754_hypotf_~a~0)))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~x .cse1) (= (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)) .cse1))) [2020-11-29 18:48:32,879 INFO L274 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-11-29 18:48:32,879 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2020-11-29 18:48:32,879 INFO L270 CegarLoopResult]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2020-11-29 18:48:32,880 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-11-29 18:48:32,880 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:48:32,880 INFO L274 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-11-29 18:48:32,880 INFO L274 CegarLoopResult]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2020-11-29 18:48:32,880 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2020-11-29 18:48:32,880 INFO L274 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-11-29 18:48:32,881 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-11-29 18:48:32,881 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-11-29 18:48:32,881 INFO L270 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2020-11-29 18:48:32,881 INFO L274 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-11-29 18:48:32,881 INFO L274 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-11-29 18:48:32,881 INFO L274 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-11-29 18:48:32,881 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:48:32,882 INFO L274 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-11-29 18:48:32,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 18:48:32,882 INFO L274 CegarLoopResult]: For program point L99(lines 99 108) no Hoare annotation was computed. [2020-11-29 18:48:32,882 INFO L274 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-11-29 18:48:32,882 INFO L274 CegarLoopResult]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2020-11-29 18:48:32,882 INFO L274 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-11-29 18:48:32,883 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2020-11-29 18:48:32,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:48:32,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:48:32,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:48:32,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,905 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:48:32,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:48:32,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:48:32,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,908 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,915 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:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 18:48:32,920 INFO L168 Benchmark]: Toolchain (without parser) took 481085.01 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 30.0 MB in the beginning and 35.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:32,920 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 35.4 MB in the beginning and 35.4 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:48:32,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.22 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.9 MB in the beginning and 43.8 MB in the end (delta: -14.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:32,922 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.87 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 40.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:32,923 INFO L168 Benchmark]: Boogie Preprocessor took 109.47 ms. Allocated memory is still 62.9 MB. Free memory was 40.8 MB in the beginning and 37.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:32,923 INFO L168 Benchmark]: RCFGBuilder took 7243.52 ms. Allocated memory is still 62.9 MB. Free memory was 37.7 MB in the beginning and 26.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:32,924 INFO L168 Benchmark]: TraceAbstraction took 473098.63 ms. Allocated memory is still 62.9 MB. Free memory was 26.1 MB in the beginning and 35.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:32,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 35.4 MB in the beginning and 35.4 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 497.22 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.9 MB in the beginning and 43.8 MB in the end (delta: -14.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.87 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 40.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.47 ms. Allocated memory is still 62.9 MB. Free memory was 40.8 MB in the beginning and 37.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7243.52 ms. Allocated memory is still 62.9 MB. Free memory was 37.7 MB in the beginning and 26.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 473098.63 ms. Allocated memory is still 62.9 MB. Free memory was 26.1 MB in the beginning and 35.2 MB in the end (delta: -9.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2020-11-29 18:48:32,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:48:32,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:48:32,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:48:32,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:48:32,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-29 18:48:32,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-29 18:48:32,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 18:48:32,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 18:48:32,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists ULTIMATE.start___ieee754_hypotf_~ha~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0[22:0]) == a) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(ha[31:31], ha[30:23], ha[22:0]) == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - 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...