./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.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_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 91052e8ecc9a867b12c5f0d5c9b1e4af952e3b52 ........................................................................................................................................................................................................................................................................................................................ 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_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 91052e8ecc9a867b12c5f0d5c9b1e4af952e3b52 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2020-11-30 01:31:39,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:31:39,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:31:39,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:31:39,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:31:39,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:31:39,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:31:39,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:31:39,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:31:39,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:31:39,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:31:39,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:31:39,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:31:39,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:31:39,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:31:39,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:31:39,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:31:39,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:31:39,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:31:39,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:31:39,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:31:39,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:31:39,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:31:39,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:31:39,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:31:39,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:31:39,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:31:39,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:31:39,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:31:39,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:31:39,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:31:39,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:31:39,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:31:39,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:31:39,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:31:39,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:31:39,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:31:39,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:31:39,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:31:39,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:31:39,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:31:39,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:31:39,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:31:39,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:31:39,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:31:39,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:31:39,278 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:31:39,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:31:39,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:31:39,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:31:39,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:31:39,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:31:39,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:31:39,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:31:39,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:31:39,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:31:39,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:31:39,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:31:39,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:31:39,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:31:39,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:31:39,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:31:39,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:31:39,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:31:39,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:31:39,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:31:39,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:31:39,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:31:39,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:31:39,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:31:39,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:31:39,285 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_6075e258-4f08-49f6-87da-a86bf0322465/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91052e8ecc9a867b12c5f0d5c9b1e4af952e3b52 [2020-11-30 01:31:39,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:31:39,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:31:39,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:31:39,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:31:39,690 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:31:39,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2020-11-30 01:31:39,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data/3eeddc0eb/330ab38383734e4a838c2bd5b6721f03/FLAGf1d8a7b3b [2020-11-30 01:31:40,289 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:31:40,290 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2020-11-30 01:31:40,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data/3eeddc0eb/330ab38383734e4a838c2bd5b6721f03/FLAGf1d8a7b3b [2020-11-30 01:31:40,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data/3eeddc0eb/330ab38383734e4a838c2bd5b6721f03 [2020-11-30 01:31:40,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:31:40,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:31:40,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:40,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:31:40,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:31:40,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:40" (1/1) ... [2020-11-30 01:31:40,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785c6700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:40, skipping insertion in model container [2020-11-30 01:31:40,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:40" (1/1) ... [2020-11-30 01:31:40,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:31:40,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:31:41,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:41,057 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:31:41,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:41,143 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:31:41,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41 WrapperNode [2020-11-30 01:31:41,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:41,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:41,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:31:41,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:31:41,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:41,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:31:41,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:31:41,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:31:41,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... [2020-11-30 01:31:41,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:31:41,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:31:41,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:31:41,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:31:41,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 [2020-11-30 01:31:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:31:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:31:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 01:31:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:31:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 01:31:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:31:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:31:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:31:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:31:42,515 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:31:42,517 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-11-30 01:31:42,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:42 BoogieIcfgContainer [2020-11-30 01:31:42,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:31:42,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:31:42,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:31:42,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:31:42,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:31:40" (1/3) ... [2020-11-30 01:31:42,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65822c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:42, skipping insertion in model container [2020-11-30 01:31:42,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:41" (2/3) ... [2020-11-30 01:31:42,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65822c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:42, skipping insertion in model container [2020-11-30 01:31:42,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:42" (3/3) ... [2020-11-30 01:31:42,527 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270c.c [2020-11-30 01:31:42,536 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:31:42,541 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:31:42,555 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:31:42,583 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:31:42,583 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:31:42,584 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:31:42,584 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:31:42,584 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:31:42,584 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:31:42,584 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:31:42,584 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:31:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-11-30 01:31:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:31:42,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:42,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:42,610 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:42,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:42,617 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-11-30 01:31:42,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:42,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011837204] [2020-11-30 01:31:42,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:42,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011837204] [2020-11-30 01:31:42,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:42,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:31:42,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846393120] [2020-11-30 01:31:42,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:31:42,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:42,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:31:42,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:31:42,829 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-11-30 01:31:42,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:42,887 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-11-30 01:31:42,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:31:42,888 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 01:31:42,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:42,916 INFO L225 Difference]: With dead ends: 213 [2020-11-30 01:31:42,918 INFO L226 Difference]: Without dead ends: 104 [2020-11-30 01:31:42,938 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 [2020-11-30 01:31:42,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-30 01:31:42,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-11-30 01:31:42,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-30 01:31:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-11-30 01:31:42,979 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-11-30 01:31:42,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:42,980 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-11-30 01:31:42,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:31:42,980 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-11-30 01:31:42,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:31:42,982 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:42,982 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] [2020-11-30 01:31:42,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:31:42,982 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:42,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:42,983 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-11-30 01:31:42,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:42,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413700227] [2020-11-30 01:31:42,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:31:43,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:31:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:31:43,231 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:31:43,263 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:31:43,263 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:31:43,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:31:43,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:31:43 BoogieIcfgContainer [2020-11-30 01:31:43,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:31:43,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:31:43,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:31:43,322 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:31:43,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:42" (3/4) ... [2020-11-30 01:31:43,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:31:43,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:31:43,327 INFO L168 Benchmark]: Toolchain (without parser) took 2665.69 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 42.2 MB in the beginning and 52.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:43,328 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 75.5 MB. Free memory was 48.8 MB in the beginning and 48.8 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:31:43,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.38 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 42.0 MB in the beginning and 66.4 MB in the end (delta: -24.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:43,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.58 ms. Allocated memory is still 92.3 MB. Free memory was 65.9 MB in the beginning and 63.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:43,331 INFO L168 Benchmark]: Boogie Preprocessor took 124.59 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 60.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:43,331 INFO L168 Benchmark]: RCFGBuilder took 1134.87 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 51.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:43,332 INFO L168 Benchmark]: TraceAbstraction took 800.30 ms. Allocated memory is still 92.3 MB. Free memory was 51.5 MB in the beginning and 53.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:43,333 INFO L168 Benchmark]: Witness Printer took 3.68 ms. Allocated memory is still 92.3 MB. Free memory was 53.2 MB in the beginning and 52.7 MB in the end (delta: 557.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:31:43,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 75.5 MB. Free memory was 48.8 MB in the beginning and 48.8 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 480.38 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 42.0 MB in the beginning and 66.4 MB in the end (delta: -24.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.58 ms. Allocated memory is still 92.3 MB. Free memory was 65.9 MB in the beginning and 63.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.59 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 60.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1134.87 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 51.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 800.30 ms. Allocated memory is still 92.3 MB. Free memory was 51.5 MB in the beginning and 53.2 MB in the end (delta: -1.8 MB). Peak memory consumption was 1.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.68 ms. Allocated memory is still 92.3 MB. Free memory was 53.2 MB in the beginning and 52.7 MB in the end (delta: 557.8 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 = __VERIFIER_nondet_float(); [L232] float y = 1.0f / 0.0f; [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] [L234] 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] [L236] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_1270c.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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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 [2020-11-30 01:31:46,013 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-30 01:31:46,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:31:46,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:31:46,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:31:46,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:31:46,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:31:46,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:31:46,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:31:46,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:31:46,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:31:46,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:31:46,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:31:46,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:31:46,184 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:31:46,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:31:46,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:31:46,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:31:46,191 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:31:46,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:31:46,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:31:46,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:31:46,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:31:46,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:31:46,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:31:46,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:31:46,194 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:31:46,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:31:46,195 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:31:46,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:31:46,195 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:31:46,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:31:46,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:31:46,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:31:46,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:31:46,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:31:46,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:31:46,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:31:46,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:31:46,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:31:46,198 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:31:46,198 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:31:46,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:31:46,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:31:46,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:31:46,199 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_6075e258-4f08-49f6-87da-a86bf0322465/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91052e8ecc9a867b12c5f0d5c9b1e4af952e3b52 [2020-11-30 01:31:46,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:31:46,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:31:46,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:31:46,660 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:31:46,661 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:31:46,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2020-11-30 01:31:46,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data/e246dce1a/17a5cb4833a6439e8128b39dd2c53e14/FLAGfeb19adab [2020-11-30 01:31:47,359 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:31:47,360 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2020-11-30 01:31:47,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data/e246dce1a/17a5cb4833a6439e8128b39dd2c53e14/FLAGfeb19adab [2020-11-30 01:31:47,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/bin/uautomizer/data/e246dce1a/17a5cb4833a6439e8128b39dd2c53e14 [2020-11-30 01:31:47,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:31:47,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:31:47,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:47,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:31:47,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:31:47,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:47" (1/1) ... [2020-11-30 01:31:47,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f897e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:47, skipping insertion in model container [2020-11-30 01:31:47,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:47" (1/1) ... [2020-11-30 01:31:47,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:31:47,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:31:48,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:48,105 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:31:48,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:48,286 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:31:48,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48 WrapperNode [2020-11-30 01:31:48,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:48,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:48,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:31:48,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:31:48,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:48,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:31:48,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:31:48,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:31:48,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... [2020-11-30 01:31:48,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:31:48,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:31:48,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:31:48,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:31:48,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 [2020-11-30 01:31:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:31:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:31:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 01:31:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:31:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:31:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:31:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 01:31:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:31:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:31:55,923 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:31:55,923 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-11-30 01:31:55,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:55 BoogieIcfgContainer [2020-11-30 01:31:55,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:31:55,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:31:55,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:31:55,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:31:55,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:31:47" (1/3) ... [2020-11-30 01:31:55,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ae284f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:55, skipping insertion in model container [2020-11-30 01:31:55,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:48" (2/3) ... [2020-11-30 01:31:55,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ae284f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:55, skipping insertion in model container [2020-11-30 01:31:55,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:55" (3/3) ... [2020-11-30 01:31:55,935 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270c.c [2020-11-30 01:31:55,950 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:31:55,955 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:31:55,969 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:31:56,017 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:31:56,018 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:31:56,018 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:31:56,018 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:31:56,018 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:31:56,018 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:31:56,019 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:31:56,019 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:31:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-11-30 01:31:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:31:56,042 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:56,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:56,043 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:56,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:56,050 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-11-30 01:31:56,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:31:56,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901647445] [2020-11-30 01:31:56,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 [2020-11-30 01:31:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:56,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 01:31:56,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:56,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:31:56,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:56,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901647445] [2020-11-30 01:31:56,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:56,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:31:56,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335702395] [2020-11-30 01:31:56,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:31:56,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:31:56,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:31:56,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:31:56,391 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-11-30 01:31:56,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:56,427 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-11-30 01:31:56,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:31:56,429 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 01:31:56,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:56,441 INFO L225 Difference]: With dead ends: 213 [2020-11-30 01:31:56,441 INFO L226 Difference]: Without dead ends: 104 [2020-11-30 01:31:56,445 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 [2020-11-30 01:31:56,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-30 01:31:56,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-11-30 01:31:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-30 01:31:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-11-30 01:31:56,493 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-11-30 01:31:56,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:56,493 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-11-30 01:31:56,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:31:56,494 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-11-30 01:31:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:31:56,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:56,495 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] [2020-11-30 01:31:56,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:31:56,712 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:56,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:56,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-11-30 01:31:56,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:31:56,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085740167] [2020-11-30 01:31:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 [2020-11-30 01:31:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:56,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 01:31:56,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:57,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:31:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:57,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085740167] [2020-11-30 01:31:57,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:57,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 11 [2020-11-30 01:31:57,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893596907] [2020-11-30 01:31:57,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 01:31:57,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:31:57,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 01:31:57,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:31:57,926 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand 11 states. [2020-11-30 01:32:00,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:32:00,552 INFO L93 Difference]: Finished difference Result 444 states and 576 transitions. [2020-11-30 01:32:00,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-30 01:32:00,554 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-30 01:32:00,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:32:00,565 INFO L225 Difference]: With dead ends: 444 [2020-11-30 01:32:00,565 INFO L226 Difference]: Without dead ends: 358 [2020-11-30 01:32:00,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2020-11-30 01:32:00,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-11-30 01:32:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 113. [2020-11-30 01:32:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-30 01:32:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 146 transitions. [2020-11-30 01:32:00,608 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 146 transitions. Word has length 21 [2020-11-30 01:32:00,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:32:00,609 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 146 transitions. [2020-11-30 01:32:00,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 01:32:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2020-11-30 01:32:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:32:00,616 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:32:00,616 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] [2020-11-30 01:32:00,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:32:00,834 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:32:00,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:00,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1653009985, now seen corresponding path program 1 times [2020-11-30 01:32:00,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:32:00,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320936204] [2020-11-30 01:32:00,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 [2020-11-30 01:32:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:01,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-30 01:32:01,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:32:02,110 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:32:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:02,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:32:03,894 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-30 01:32:05,758 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 01:32:07,877 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-30 01:32:09,786 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-30 01:32:12,256 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-30 01:32:22,606 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-30 01:32:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:24,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320936204] [2020-11-30 01:32:24,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:32:24,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 14] imperfect sequences [] total 26 [2020-11-30 01:32:24,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167275741] [2020-11-30 01:32:24,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-11-30 01:32:24,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:32:24,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-11-30 01:32:24,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=561, Unknown=2, NotChecked=0, Total=650 [2020-11-30 01:32:24,191 INFO L87 Difference]: Start difference. First operand 113 states and 146 transitions. Second operand 26 states. [2020-11-30 01:32:27,616 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-11-30 01:32:29,924 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-11-30 01:32:34,493 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-11-30 01:32:39,546 WARN L193 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-11-30 01:32:44,406 WARN L193 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-11-30 01:32:44,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:32:44,592 INFO L93 Difference]: Finished difference Result 157 states and 187 transitions. [2020-11-30 01:32:44,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-30 01:32:44,595 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 21 [2020-11-30 01:32:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:32:44,596 INFO L225 Difference]: With dead ends: 157 [2020-11-30 01:32:44,596 INFO L226 Difference]: Without dead ends: 64 [2020-11-30 01:32:44,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 39.4s TimeCoverageRelationStatistics Valid=289, Invalid=969, Unknown=2, NotChecked=0, Total=1260 [2020-11-30 01:32:44,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-11-30 01:32:44,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 36. [2020-11-30 01:32:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-30 01:32:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-11-30 01:32:44,609 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 21 [2020-11-30 01:32:44,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:32:44,610 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-11-30 01:32:44,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-11-30 01:32:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-11-30 01:32:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:32:44,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:32:44,612 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] [2020-11-30 01:32:44,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:32:44,832 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:32:44,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:32:44,833 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2020-11-30 01:32:44,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:32:44,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1448021352] [2020-11-30 01:32:44,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 [2020-11-30 01:32:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:32:45,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-30 01:32:45,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:32:45,545 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:32:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:32:45,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:32:48,418 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= (let ((.cse0 (bvand (_ bv2147483647 32) c_ULTIMATE.start___ieee754_hypotf_~hb~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (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)))) is different from false [2020-11-30 01:33:19,997 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 01:33:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:33:20,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1448021352] [2020-11-30 01:33:20,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:33:20,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 12] imperfect sequences [] total 21 [2020-11-30 01:33:20,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856646453] [2020-11-30 01:33:20,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-30 01:33:20,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:33:20,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-30 01:33:20,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=324, Unknown=12, NotChecked=36, Total=420 [2020-11-30 01:33:20,026 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 21 states. [2020-11-30 01:33:20,406 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2020-11-30 01:33:20,886 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-11-30 01:33:23,463 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-11-30 01:33:23,689 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-11-30 01:33:23,967 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-11-30 01:33:24,150 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-11-30 01:33:24,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:33:24,164 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2020-11-30 01:33:24,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 01:33:24,165 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 26 [2020-11-30 01:33:24,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:33:24,165 INFO L225 Difference]: With dead ends: 54 [2020-11-30 01:33:24,165 INFO L226 Difference]: Without dead ends: 36 [2020-11-30 01:33:24,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 38.3s TimeCoverageRelationStatistics Valid=193, Invalid=610, Unknown=13, NotChecked=54, Total=870 [2020-11-30 01:33:24,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-30 01:33:24,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2020-11-30 01:33:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-30 01:33:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-11-30 01:33:24,171 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 26 [2020-11-30 01:33:24,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:33:24,171 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-11-30 01:33:24,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-11-30 01:33:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-11-30 01:33:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:33:24,172 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:33:24,172 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] [2020-11-30 01:33:24,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 01:33:24,373 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:33:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:33:24,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1435475906, now seen corresponding path program 1 times [2020-11-30 01:33:24,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:33:24,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063613069] [2020-11-30 01:33:24,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 [2020-11-30 01:33:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:33:24,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 01:33:24,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:33:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:33:24,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:33:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:33:24,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063613069] [2020-11-30 01:33:24,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:33:24,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 11 [2020-11-30 01:33:24,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027011188] [2020-11-30 01:33:24,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 01:33:24,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:33:24,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 01:33:24,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:33:24,963 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 11 states. [2020-11-30 01:33:25,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:33:25,308 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2020-11-30 01:33:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:33:25,312 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2020-11-30 01:33:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:33:25,312 INFO L225 Difference]: With dead ends: 36 [2020-11-30 01:33:25,312 INFO L226 Difference]: Without dead ends: 27 [2020-11-30 01:33:25,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-11-30 01:33:25,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-30 01:33:25,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-30 01:33:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-30 01:33:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-11-30 01:33:25,318 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 26 [2020-11-30 01:33:25,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:33:25,318 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-11-30 01:33:25,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 01:33:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-11-30 01:33:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 01:33:25,320 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:33:25,320 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] [2020-11-30 01:33:25,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 01:33:25,531 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:33:25,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:33:25,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2115534276, now seen corresponding path program 1 times [2020-11-30 01:33:25,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:33:25,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34389283] [2020-11-30 01:33:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6075e258-4f08-49f6-87da-a86bf0322465/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 [2020-11-30 01:33:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:33:25,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-30 01:33:25,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:33:26,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:33:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:33:26,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:34:05,908 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 19 [2020-11-30 01:34:07,928 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 32)) (v_skolemized_v_prenex_5_5 (_ BitVec 32))) (or (not (= c_ULTIMATE.start___ieee754_hypotf_~y (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_15|)))) (= (_ bv2139095040 32) (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5)) (not (= (fp ((_ extract 31 31) v_skolemized_v_prenex_5_5) ((_ extract 30 23) v_skolemized_v_prenex_5_5) ((_ extract 22 0) v_skolemized_v_prenex_5_5)) (let ((.cse0 (bvand (_ bv2147483647 32) |v_skolemized_q#valueAsBitvector_15|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))))) is different from false [2020-11-30 01:34:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:34:07,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34389283] [2020-11-30 01:34:07,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:34:07,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 13] imperfect sequences [] total 23 [2020-11-30 01:34:07,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838696071] [2020-11-30 01:34:07,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-30 01:34:07,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 01:34:07,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-30 01:34:07,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=395, Unknown=17, NotChecked=40, Total=506 [2020-11-30 01:34:07,948 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 23 states. [2020-11-30 01:34:10,117 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 34 DAG size of output: 8 [2020-11-30 01:34:11,816 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-11-30 01:34:12,037 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-11-30 01:34:12,330 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-11-30 01:34:12,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:34:12,331 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-11-30 01:34:12,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 01:34:12,331 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 26 [2020-11-30 01:34:12,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:34:12,332 INFO L225 Difference]: With dead ends: 27 [2020-11-30 01:34:12,332 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:34:12,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 45.8s TimeCoverageRelationStatistics Valid=184, Invalid=733, Unknown=17, NotChecked=58, Total=992 [2020-11-30 01:34:12,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:34:12,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:34:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:34:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:34:12,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-30 01:34:12,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:34:12,333 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:34:12,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-30 01:34:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:34:12,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:34:12,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-30 01:34:12,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:34:12,715 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 107 [2020-11-30 01:34:12,934 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2020-11-30 01:34:14,390 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-11-30 01:34:19,356 WARN L193 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 136 DAG size of output: 84 [2020-11-30 01:34:21,847 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2020-11-30 01:34:21,856 INFO L274 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-11-30 01:34:21,856 INFO L274 CegarLoopResult]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2020-11-30 01:34:21,856 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:34:21,856 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:34:21,856 INFO L274 CegarLoopResult]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L270 CegarLoopResult]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2020-11-30 01:34:21,857 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L274 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L270 CegarLoopResult]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2020-11-30 01:34:21,857 INFO L274 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L274 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L274 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L274 CegarLoopResult]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L274 CegarLoopResult]: For program point L236(lines 236 239) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-11-30 01:34:21,857 INFO L270 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-11-30 01:34:21,858 INFO L274 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-11-30 01:34:21,858 INFO L274 CegarLoopResult]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2020-11-30 01:34:21,858 INFO L270 CegarLoopResult]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2020-11-30 01:34:21,858 INFO L274 CegarLoopResult]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2020-11-30 01:34:21,858 INFO L277 CegarLoopResult]: At program point L240(lines 224 241) the Hoare annotation is: true [2020-11-30 01:34:21,858 INFO L274 CegarLoopResult]: For program point L141(lines 141 145) no Hoare annotation was computed. [2020-11-30 01:34:21,858 INFO L274 CegarLoopResult]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2020-11-30 01:34:21,858 INFO L274 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-11-30 01:34:21,858 INFO L270 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-11-30 01:34:21,858 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-11-30 01:34:21,859 INFO L274 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-11-30 01:34:21,859 INFO L270 CegarLoopResult]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2020-11-30 01:34:21,859 INFO L274 CegarLoopResult]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2020-11-30 01:34:21,859 INFO L274 CegarLoopResult]: For program point L109(lines 109 113) no Hoare annotation was computed. [2020-11-30 01:34:21,859 INFO L274 CegarLoopResult]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2020-11-30 01:34:21,859 INFO L270 CegarLoopResult]: At program point L209(lines 83 210) the Hoare annotation is: (let ((.cse3 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (let ((.cse0 (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))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse6 (= ULTIMATE.start___ieee754_hypotf_~y .cse3))) (or (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 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= ULTIMATE.start___ieee754_hypotf_~b~0 .cse0) .cse1 (= .cse2 .cse3) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (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))) (.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= .cse4 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse5)) (_ bv251658240 32)) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven .cse4 (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))))) (= .cse2 ULTIMATE.start___ieee754_hypotf_~a~0) .cse6)) (and (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse7 (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)))) (and (= .cse7 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~w~0 .cse7)))) (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse8 (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)))) (and (= .cse8 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~b~0 .cse8)))) (= .cse0 .cse3) .cse1 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse9 (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)))) (and (= |ULTIMATE.start___ieee754_hypotf_#res| .cse9) (= .cse9 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse6)))) [2020-11-30 01:34:21,859 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-30 01:34:21,859 INFO L274 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-11-30 01:34:21,859 INFO L274 CegarLoopResult]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L177(lines 177 200) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L270 CegarLoopResult]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L270 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: false [2020-11-30 01:34:21,860 INFO L270 CegarLoopResult]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L147(lines 147 174) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2020-11-30 01:34:21,860 INFO L274 CegarLoopResult]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2020-11-30 01:34:21,861 INFO L274 CegarLoopResult]: For program point L148(lines 148 173) no Hoare annotation was computed. [2020-11-30 01:34:21,861 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2020-11-30 01:34:21,861 INFO L270 CegarLoopResult]: At program point L215-2(lines 215 219) the Hoare annotation is: (let ((.cse3 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (let ((.cse2 (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))) (.cse4 (= currentRoundingMode roundNearestTiesToEven)) (.cse7 (= ULTIMATE.start___ieee754_hypotf_~y .cse3))) (or (and (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (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)))) (and (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~w~0 .cse0)))) (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse1 (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)))) (and (= .cse1 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~b~0 .cse1)))) (= .cse2 .cse3) .cse4 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse5 (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)))) (and (= |ULTIMATE.start___ieee754_hypotf_#res| .cse5) (= .cse5 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse6 (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)))) (and (= .cse6 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse6 ULTIMATE.start_isinf_float_~x)))) .cse7) (let ((.cse8 (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 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= ULTIMATE.start___ieee754_hypotf_~b~0 .cse2) .cse4 (= .cse8 .cse3) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse9 (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))) (.cse10 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= .cse9 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse10)) (_ bv251658240 32)) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven .cse9 (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse11 (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))) (.cse12 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= .cse11 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse12)) (_ bv251658240 32)) (= (fp.add roundNearestTiesToEven .cse11 (fp ((_ extract 31 31) .cse12) ((_ extract 30 23) .cse12) ((_ extract 22 0) .cse12))) ULTIMATE.start_isinf_float_~x)))) (= .cse8 ULTIMATE.start___ieee754_hypotf_~a~0) .cse7))))) [2020-11-30 01:34:21,861 INFO L274 CegarLoopResult]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2020-11-30 01:34:21,861 INFO L274 CegarLoopResult]: For program point L150(lines 150 173) no Hoare annotation was computed. [2020-11-30 01:34:21,861 INFO L274 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-11-30 01:34:21,862 INFO L270 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2020-11-30 01:34:21,862 INFO L274 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-11-30 01:34:21,862 INFO L270 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-11-30 01:34:21,862 INFO L274 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-11-30 01:34:21,862 INFO L270 CegarLoopResult]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2020-11-30 01:34:21,862 INFO L274 CegarLoopResult]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2020-11-30 01:34:21,862 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:34:21,862 INFO L274 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-11-30 01:34:21,862 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-30 01:34:21,862 INFO L270 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (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)))) (and (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~b~0 .cse0)))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-11-30 01:34:21,863 INFO L270 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-30 01:34:21,863 INFO L270 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2020-11-30 01:34:21,863 INFO L274 CegarLoopResult]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2020-11-30 01:34:21,864 INFO L270 CegarLoopResult]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2020-11-30 01:34:21,864 INFO L274 CegarLoopResult]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2020-11-30 01:34:21,866 INFO L270 CegarLoopResult]: At program point L221(lines 213 222) the Hoare annotation is: (let ((.cse4 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (let ((.cse0 (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))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse11 (= ULTIMATE.start___ieee754_hypotf_~y .cse4))) (or (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 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= ULTIMATE.start___ieee754_hypotf_~b~0 .cse0) .cse1 .cse2 (= .cse3 .cse4) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (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))) (.cse6 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= .cse5 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse6)) (_ bv251658240 32)) (= (fp.add roundNearestTiesToEven .cse5 (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) (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)))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (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))) (.cse8 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= .cse7 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse8)) (_ bv251658240 32)) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven .cse7 (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse9 (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))) (.cse10 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= .cse9 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse10)) (_ bv251658240 32)) (= (fp.add roundNearestTiesToEven .cse9 (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))) ULTIMATE.start_isinf_float_~x)))) (= .cse3 ULTIMATE.start___ieee754_hypotf_~a~0) .cse11)) (and (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse12 (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)))) (and (= .cse12 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~w~0 .cse12)))) (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse13 (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)))) (and (= .cse13 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~b~0 .cse13)))) (= .cse0 .cse4) .cse1 .cse2 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse14 (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)))) (and (= |ULTIMATE.start___ieee754_hypotf_#res| .cse14) (= .cse14 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse15 (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)))) (and (= .cse15 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse15 ULTIMATE.start_isinf_float_~x)))) .cse11 (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse16 (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)))) (and (= .cse16 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (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)) .cse16)))))))) [2020-11-30 01:34:21,866 INFO L274 CegarLoopResult]: For program point L123(lines 123 146) no Hoare annotation was computed. [2020-11-30 01:34:21,867 INFO L274 CegarLoopResult]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2020-11-30 01:34:21,867 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:34:21,867 INFO L274 CegarLoopResult]: For program point L124(lines 124 131) no Hoare annotation was computed. [2020-11-30 01:34:21,867 INFO L274 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-11-30 01:34:21,867 INFO L274 CegarLoopResult]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2020-11-30 01:34:21,867 INFO L274 CegarLoopResult]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2020-11-30 01:34:21,868 INFO L270 CegarLoopResult]: At program point L93-2(lines 93 97) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_hypotf_~hb~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (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)))) (and (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~b~0 .cse0)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-11-30 01:34:21,868 INFO L274 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-11-30 01:34:21,868 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2020-11-30 01:34:21,868 INFO L270 CegarLoopResult]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2020-11-30 01:34:21,868 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-11-30 01:34:21,868 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:34:21,869 INFO L274 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-11-30 01:34:21,869 INFO L274 CegarLoopResult]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2020-11-30 01:34:21,869 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2020-11-30 01:34:21,869 INFO L274 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-11-30 01:34:21,869 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-11-30 01:34:21,869 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-11-30 01:34:21,869 INFO L270 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2020-11-30 01:34:21,870 INFO L274 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-11-30 01:34:21,870 INFO L274 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-11-30 01:34:21,870 INFO L274 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-11-30 01:34:21,870 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:34:21,870 INFO L274 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-11-30 01:34:21,870 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:34:21,870 INFO L274 CegarLoopResult]: For program point L99(lines 99 108) no Hoare annotation was computed. [2020-11-30 01:34:21,871 INFO L274 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-11-30 01:34:21,871 INFO L274 CegarLoopResult]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2020-11-30 01:34:21,871 INFO L274 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-11-30 01:34:21,871 INFO L274 CegarLoopResult]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2020-11-30 01:34:21,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:34:21,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:34:21,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:34:21,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-30 01:34:21,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:34:21,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:34:21,897 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:34:21,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-30 01:34:21,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,901 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:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) 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) [2020-11-30 01:34:21,905 INFO L168 Benchmark]: Toolchain (without parser) took 154143.38 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 33.8 MB in the beginning and 45.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:34:21,906 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 54.5 MB. Free memory is still 36.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:34:21,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.82 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 33.6 MB in the beginning and 55.0 MB in the end (delta: -21.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:34:21,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.59 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 51.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:34:21,908 INFO L168 Benchmark]: Boogie Preprocessor took 76.35 ms. Allocated memory is still 73.4 MB. Free memory was 51.9 MB in the beginning and 49.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:34:21,909 INFO L168 Benchmark]: RCFGBuilder took 7481.44 ms. Allocated memory is still 73.4 MB. Free memory was 48.7 MB in the beginning and 42.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:34:21,909 INFO L168 Benchmark]: TraceAbstraction took 145976.56 ms. Allocated memory is still 73.4 MB. Free memory was 42.1 MB in the beginning and 45.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:34:21,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 54.5 MB. Free memory is still 36.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 521.82 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 33.6 MB in the beginning and 55.0 MB in the end (delta: -21.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.59 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 51.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.35 ms. Allocated memory is still 73.4 MB. Free memory was 51.9 MB in the beginning and 49.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7481.44 ms. Allocated memory is still 73.4 MB. Free memory was 48.7 MB in the beginning and 42.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 145976.56 ms. Allocated memory is still 73.4 MB. Free memory was 42.1 MB in the beginning and 45.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 24.5 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_~hb~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~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_~hb~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~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[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~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_~hb~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~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[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] * 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 * 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: 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: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2020-11-30 01:34:21,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:34:21,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:34:21,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:34:21,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-30 01:34:21,929 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-30 01:34:21,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:34:21,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 01:34:21,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~hb~0,QUANTIFIED] [2020-11-30 01:34:21,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 01:34:21,931 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-11-30 01:34:21,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-11-30 01:34:21,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 01:34:21,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists ULTIMATE.start___ieee754_hypotf_~hb~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~hb~0[31:31], ULTIMATE.start___ieee754_hypotf_~hb~0[30:23], ULTIMATE.start___ieee754_hypotf_~hb~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && b == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~hb~0[31:31], ULTIMATE.start___ieee754_hypotf_~hb~0[30:23], ULTIMATE.start___ieee754_hypotf_~hb~0[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 : bv32 :: ULTIMATE.start___ieee754_hypotf_~ha~0 == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) && y == ~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. Received shutdown request...