./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 976f334843509ce61229cfe6c2e95f4ffe1322fa ........................................................................................................................................................................................................................................................................................................................ 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_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 976f334843509ce61229cfe6c2e95f4ffe1322fa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 15:05:40,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:05:40,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:05:40,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:05:40,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:05:40,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:05:40,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:05:40,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:05:40,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:05:40,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:05:40,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:05:40,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:05:40,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:05:40,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:05:40,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:05:40,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:05:40,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:05:40,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:05:40,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:05:40,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:05:40,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:05:40,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:05:40,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:05:40,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:05:40,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:05:40,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:05:40,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:05:40,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:05:40,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:05:40,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:05:40,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:05:40,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:05:40,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:05:40,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:05:40,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:05:40,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:05:40,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:05:40,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:05:40,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:05:40,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:05:40,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:05:40,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:05:40,467 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:05:40,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:05:40,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:05:40,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:05:40,471 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:05:40,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:05:40,471 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:05:40,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:05:40,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:05:40,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:05:40,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:05:40,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:05:40,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:05:40,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:05:40,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:05:40,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:05:40,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:05:40,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:05:40,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:05:40,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:05:40,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:05:40,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:05:40,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:05:40,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:05:40,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:05:40,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:05:40,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:05:40,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:05:40,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:05:40,480 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_3e85710d-b389-4f13-8177-2a524ff64027/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 976f334843509ce61229cfe6c2e95f4ffe1322fa [2020-12-01 15:05:40,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:05:40,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:05:40,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:05:40,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:05:40,841 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:05:40,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2020-12-01 15:05:40,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data/c9828fad8/3c4b53f7d0964e1c913954bf4cc7455b/FLAG817126848 [2020-12-01 15:05:41,683 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:05:41,684 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2020-12-01 15:05:41,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data/c9828fad8/3c4b53f7d0964e1c913954bf4cc7455b/FLAG817126848 [2020-12-01 15:05:41,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data/c9828fad8/3c4b53f7d0964e1c913954bf4cc7455b [2020-12-01 15:05:41,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:05:41,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:05:41,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:05:41,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:05:41,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:05:41,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:05:41" (1/1) ... [2020-12-01 15:05:41,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2957d2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:41, skipping insertion in model container [2020-12-01 15:05:41,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:05:41" (1/1) ... [2020-12-01 15:05:42,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:05:42,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:05:42,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:05:42,439 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:05:42,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:05:42,588 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:05:42,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42 WrapperNode [2020-12-01 15:05:42,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:05:42,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:05:42,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:05:42,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:05:42,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:05:42,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:05:42,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:05:42,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:05:42,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... [2020-12-01 15:05:42,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:05:42,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:05:42,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:05:42,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:05:42,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 [2020-12-01 15:05:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:05:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:05:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 15:05:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:05:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 15:05:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:05:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:05:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:05:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:05:43,872 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:05:43,872 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-12-01 15:05:43,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:05:43 BoogieIcfgContainer [2020-12-01 15:05:43,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:05:43,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:05:43,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:05:43,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:05:43,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:05:41" (1/3) ... [2020-12-01 15:05:43,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615ef710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:05:43, skipping insertion in model container [2020-12-01 15:05:43,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:42" (2/3) ... [2020-12-01 15:05:43,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615ef710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:05:43, skipping insertion in model container [2020-12-01 15:05:43,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:05:43" (3/3) ... [2020-12-01 15:05:43,892 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d.c [2020-12-01 15:05:43,921 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:05:43,926 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:05:43,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:05:44,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:05:44,002 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:05:44,002 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:05:44,002 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:05:44,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:05:44,003 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:05:44,003 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:05:44,003 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:05:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-12-01 15:05:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 15:05:44,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:44,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:05:44,043 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:44,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:44,052 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-12-01 15:05:44,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:44,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117780537] [2020-12-01 15:05:44,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:05:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:05:44,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117780537] [2020-12-01 15:05:44,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:05:44,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:05:44,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299980922] [2020-12-01 15:05:44,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:05:44,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:05:44,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:05:44,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:05:44,302 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-12-01 15:05:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:05:44,340 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-12-01 15:05:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:05:44,342 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 15:05:44,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:05:44,401 INFO L225 Difference]: With dead ends: 213 [2020-12-01 15:05:44,401 INFO L226 Difference]: Without dead ends: 104 [2020-12-01 15:05:44,406 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 [2020-12-01 15:05:44,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-01 15:05:44,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-12-01 15:05:44,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-12-01 15:05:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-12-01 15:05:44,465 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-12-01 15:05:44,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:05:44,465 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-12-01 15:05:44,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:05:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-12-01 15:05:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 15:05:44,467 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:05:44,468 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] [2020-12-01 15:05:44,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:05:44,468 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:05:44,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:05:44,470 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-12-01 15:05:44,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:05:44,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278990681] [2020-12-01 15:05:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:05:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:05:44,635 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:05:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:05:44,755 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:05:44,804 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:05:44,804 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:05:44,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:05:44,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:05:44 BoogieIcfgContainer [2020-12-01 15:05:44,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:05:44,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:05:44,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:05:44,888 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:05:44,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:05:43" (3/4) ... [2020-12-01 15:05:44,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:05:44,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:05:44,899 INFO L168 Benchmark]: Toolchain (without parser) took 2911.36 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 78.8 MB in the beginning and 96.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:05:44,900 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 79.7 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 40.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:05:44,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.95 ms. Allocated memory is still 107.0 MB. Free memory was 78.8 MB in the beginning and 80.7 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:05:44,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.13 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 77.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:05:44,904 INFO L168 Benchmark]: Boogie Preprocessor took 88.28 ms. Allocated memory is still 107.0 MB. Free memory was 77.8 MB in the beginning and 74.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:05:44,906 INFO L168 Benchmark]: RCFGBuilder took 1070.80 ms. Allocated memory is still 107.0 MB. Free memory was 74.8 MB in the beginning and 61.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:05:44,907 INFO L168 Benchmark]: TraceAbstraction took 1008.71 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 61.8 MB in the beginning and 96.9 MB in the end (delta: -35.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:05:44,909 INFO L168 Benchmark]: Witness Printer took 6.35 ms. Allocated memory is still 136.3 MB. Free memory is still 96.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:05:44,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 79.7 MB. Free memory was 38.2 MB in the beginning and 38.1 MB in the end (delta: 40.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 604.95 ms. Allocated memory is still 107.0 MB. Free memory was 78.8 MB in the beginning and 80.7 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.13 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 77.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.28 ms. Allocated memory is still 107.0 MB. Free memory was 77.8 MB in the beginning and 74.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1070.80 ms. Allocated memory is still 107.0 MB. Free memory was 74.8 MB in the beginning and 61.8 MB in the end (delta: 13.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1008.71 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 61.8 MB in the beginning and 96.9 MB in the end (delta: -35.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.35 ms. Allocated memory is still 136.3 MB. Free memory is still 96.9 MB. 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] [L233] float res = __ieee754_hypotf(x, y); [L214] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L216] ieee_float_shape_type gf_u; [L217] gf_u.value = (x) [L218] EXPR gf_u.word [L218] (ix) = gf_u.word [L220] ix &= 0x7fffffff [L221] return ((ix) == 0x7f800000L); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L235] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_1270d.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: 0.8s, 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 0.2.0-69874e2 [2020-12-01 15:05:48,095 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-12-01 15:05:48,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:05:48,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:05:48,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:05:48,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:05:48,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:05:48,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:05:48,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:05:48,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:05:48,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:05:48,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:05:48,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:05:48,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 15:05:48,279 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:05:48,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:05:48,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:05:48,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:05:48,282 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:05:48,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:05:48,282 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:05:48,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:05:48,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:05:48,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:05:48,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:05:48,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:05:48,284 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:05:48,284 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:05:48,284 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:05:48,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:05:48,285 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:05:48,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:05:48,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:05:48,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:05:48,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:05:48,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:05:48,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:05:48,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:05:48,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:05:48,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:05:48,290 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:05:48,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:05:48,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:05:48,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:05:48,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:05:48,315 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_3e85710d-b389-4f13-8177-2a524ff64027/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 976f334843509ce61229cfe6c2e95f4ffe1322fa [2020-12-01 15:05:48,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:05:48,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:05:48,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:05:48,872 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:05:48,873 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:05:48,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2020-12-01 15:05:48,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data/fd8e72970/cb74ea786c9b499481555be9f95a608f/FLAG7e5c78a87 [2020-12-01 15:05:49,608 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:05:49,609 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2020-12-01 15:05:49,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data/fd8e72970/cb74ea786c9b499481555be9f95a608f/FLAG7e5c78a87 [2020-12-01 15:05:49,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/bin/uautomizer/data/fd8e72970/cb74ea786c9b499481555be9f95a608f [2020-12-01 15:05:49,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:05:49,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:05:49,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:05:49,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:05:49,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:05:49,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:05:49" (1/1) ... [2020-12-01 15:05:50,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b84d53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:49, skipping insertion in model container [2020-12-01 15:05:50,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:05:49" (1/1) ... [2020-12-01 15:05:50,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:05:50,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:05:50,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:05:50,534 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:05:50,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:05:50,677 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:05:50,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50 WrapperNode [2020-12-01 15:05:50,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:05:50,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:05:50,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:05:50,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:05:50,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:05:50,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:05:50,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:05:50,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:05:50,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... [2020-12-01 15:05:50,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:05:50,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:05:50,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:05:50,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:05:50,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 [2020-12-01 15:05:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 15:05:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:05:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-01 15:05:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 15:05:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:05:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:05:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-01 15:05:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 15:05:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:06:04,938 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:06:04,939 INFO L298 CfgBuilder]: Removed 54 assume(true) statements. [2020-12-01 15:06:04,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:06:04 BoogieIcfgContainer [2020-12-01 15:06:04,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:06:04,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:06:04,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:06:04,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:06:04,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:05:49" (1/3) ... [2020-12-01 15:06:04,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d10251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:06:04, skipping insertion in model container [2020-12-01 15:06:04,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:05:50" (2/3) ... [2020-12-01 15:06:04,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d10251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:06:04, skipping insertion in model container [2020-12-01 15:06:04,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:06:04" (3/3) ... [2020-12-01 15:06:04,954 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270d.c [2020-12-01 15:06:04,973 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:06:04,978 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:06:04,994 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:06:05,029 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:06:05,029 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:06:05,029 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:06:05,030 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:06:05,030 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:06:05,030 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:06:05,030 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:06:05,031 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:06:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2020-12-01 15:06:05,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 15:06:05,061 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:06:05,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:06:05,063 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:06:05,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:06:05,073 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-12-01 15:06:05,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:06:05,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231779305] [2020-12-01 15:06:05,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 [2020-12-01 15:06:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:06:05,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 15:06:05,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:06:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:06:05,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:06:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:06:05,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231779305] [2020-12-01 15:06:05,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:06:05,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 15:06:05,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744362969] [2020-12-01 15:06:05,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:06:05,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:06:05,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:06:05,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:06:05,561 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2020-12-01 15:06:05,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:06:05,607 INFO L93 Difference]: Finished difference Result 213 states and 359 transitions. [2020-12-01 15:06:05,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:06:05,609 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 15:06:05,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:06:05,623 INFO L225 Difference]: With dead ends: 213 [2020-12-01 15:06:05,624 INFO L226 Difference]: Without dead ends: 104 [2020-12-01 15:06:05,635 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 [2020-12-01 15:06:05,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-01 15:06:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-12-01 15:06:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-12-01 15:06:05,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-12-01 15:06:05,704 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-12-01 15:06:05,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:06:05,706 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-12-01 15:06:05,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:06:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-12-01 15:06:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 15:06:05,710 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:06:05,710 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] [2020-12-01 15:06:05,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 15:06:05,921 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:06:05,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:06:05,922 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-12-01 15:06:05,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:06:05,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064459115] [2020-12-01 15:06:05,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 [2020-12-01 15:06:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:06:06,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 15:06:06,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:06:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:06:06,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:06:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:06:08,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064459115] [2020-12-01 15:06:08,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:06:08,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-12-01 15:06:08,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949249745] [2020-12-01 15:06:08,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-01 15:06:08,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:06:08,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-01 15:06:08,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-12-01 15:06:08,102 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand 12 states. [2020-12-01 15:06:08,728 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2020-12-01 15:06:10,504 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-01 15:06:12,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:06:12,226 INFO L93 Difference]: Finished difference Result 444 states and 576 transitions. [2020-12-01 15:06:12,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-01 15:06:12,228 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 21 [2020-12-01 15:06:12,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:06:12,234 INFO L225 Difference]: With dead ends: 444 [2020-12-01 15:06:12,235 INFO L226 Difference]: Without dead ends: 358 [2020-12-01 15:06:12,237 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2020-12-01 15:06:12,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-12-01 15:06:12,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 113. [2020-12-01 15:06:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-01 15:06:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 146 transitions. [2020-12-01 15:06:12,266 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 146 transitions. Word has length 21 [2020-12-01 15:06:12,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:06:12,266 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 146 transitions. [2020-12-01 15:06:12,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-01 15:06:12,267 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 146 transitions. [2020-12-01 15:06:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 15:06:12,268 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:06:12,269 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] [2020-12-01 15:06:12,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 15:06:12,484 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:06:12,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:06:12,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1653009985, now seen corresponding path program 1 times [2020-12-01 15:06:12,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:06:12,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586342225] [2020-12-01 15:06:12,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 [2020-12-01 15:06:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:06:12,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-01 15:06:12,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:06:13,976 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-01 15:06:17,128 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:06:17,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 15:06:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:06:17,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:06:22,276 WARN L197 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-01 15:06:26,445 WARN L197 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-01 15:06:32,408 WARN L197 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 15:06:36,466 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-01 15:06:42,710 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 15:06:50,043 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-01 15:06:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:06:50,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586342225] [2020-12-01 15:06:50,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:06:50,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 27 [2020-12-01 15:06:50,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198556121] [2020-12-01 15:06:50,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-12-01 15:06:50,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:06:50,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-12-01 15:06:50,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=609, Unknown=1, NotChecked=0, Total=702 [2020-12-01 15:06:50,162 INFO L87 Difference]: Start difference. First operand 113 states and 146 transitions. Second operand 27 states. [2020-12-01 15:07:00,296 WARN L197 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-12-01 15:07:01,283 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-01 15:07:01,793 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-01 15:07:06,421 WARN L197 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-01 15:07:18,674 WARN L197 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-01 15:07:43,303 WARN L197 SmtUtils]: Spent 18.68 s on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-12-01 15:07:44,035 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2020-12-01 15:08:11,463 WARN L197 SmtUtils]: Spent 22.38 s on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-12-01 15:08:12,012 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-01 15:08:39,071 WARN L197 SmtUtils]: Spent 23.93 s on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-12-01 15:08:39,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:08:39,609 INFO L93 Difference]: Finished difference Result 157 states and 187 transitions. [2020-12-01 15:08:39,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-01 15:08:39,611 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 21 [2020-12-01 15:08:39,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:08:39,612 INFO L225 Difference]: With dead ends: 157 [2020-12-01 15:08:39,612 INFO L226 Difference]: Without dead ends: 64 [2020-12-01 15:08:39,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 134.2s TimeCoverageRelationStatistics Valid=325, Invalid=1156, Unknown=1, NotChecked=0, Total=1482 [2020-12-01 15:08:39,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-12-01 15:08:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 36. [2020-12-01 15:08:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-12-01 15:08:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2020-12-01 15:08:39,625 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 21 [2020-12-01 15:08:39,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:08:39,625 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2020-12-01 15:08:39,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-12-01 15:08:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2020-12-01 15:08:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 15:08:39,627 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:08:39,628 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] [2020-12-01 15:08:39,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 15:08:39,844 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:08:39,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:08:39,845 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2020-12-01 15:08:39,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:08:39,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770639794] [2020-12-01 15:08:39,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 [2020-12-01 15:08:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:08:40,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-01 15:08:40,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:08:41,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:08:41,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:08:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:08:41,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:08:45,175 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 [2020-12-01 15:09:21,844 WARN L197 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-01 15:09:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:21,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770639794] [2020-12-01 15:09:21,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:21,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 22 [2020-12-01 15:09:21,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239961251] [2020-12-01 15:09:21,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-01 15:09:21,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:09:21,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-01 15:09:21,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=355, Unknown=18, NotChecked=38, Total=462 [2020-12-01 15:09:21,898 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 22 states. [2020-12-01 15:09:26,435 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2020-12-01 15:09:40,570 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 15:09:40,869 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 15:09:41,181 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-01 15:09:41,538 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 15:09:41,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:41,560 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2020-12-01 15:09:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-01 15:09:41,561 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2020-12-01 15:09:41,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:41,561 INFO L225 Difference]: With dead ends: 54 [2020-12-01 15:09:41,561 INFO L226 Difference]: Without dead ends: 36 [2020-12-01 15:09:41,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 59.9s TimeCoverageRelationStatistics Valid=219, Invalid=751, Unknown=26, NotChecked=60, Total=1056 [2020-12-01 15:09:41,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-12-01 15:09:41,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2020-12-01 15:09:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:09:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-12-01 15:09:41,567 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 26 [2020-12-01 15:09:41,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:41,567 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-12-01 15:09:41,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-01 15:09:41,568 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-12-01 15:09:41,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 15:09:41,569 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:41,569 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] [2020-12-01 15:09:41,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-01 15:09:41,784 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:41,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:41,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1435475906, now seen corresponding path program 1 times [2020-12-01 15:09:41,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:09:41,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931632283] [2020-12-01 15:09:41,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 [2020-12-01 15:09:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:42,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 15:09:42,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:42,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:09:43,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:43,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931632283] [2020-12-01 15:09:43,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:09:43,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-12-01 15:09:43,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171330723] [2020-12-01 15:09:43,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-01 15:09:43,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:09:43,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-01 15:09:43,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-12-01 15:09:43,102 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 12 states. [2020-12-01 15:09:43,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:09:43,828 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2020-12-01 15:09:43,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-01 15:09:43,829 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-12-01 15:09:43,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:09:43,830 INFO L225 Difference]: With dead ends: 36 [2020-12-01 15:09:43,830 INFO L226 Difference]: Without dead ends: 27 [2020-12-01 15:09:43,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-12-01 15:09:43,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-01 15:09:43,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-01 15:09:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-01 15:09:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-12-01 15:09:43,836 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 26 [2020-12-01 15:09:43,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:09:43,836 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-12-01 15:09:43,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-01 15:09:43,837 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-12-01 15:09:43,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 15:09:43,837 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:09:43,838 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] [2020-12-01 15:09:44,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-01 15:09:44,052 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:09:44,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:09:44,052 INFO L82 PathProgramCache]: Analyzing trace with hash 2115534276, now seen corresponding path program 1 times [2020-12-01 15:09:44,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:09:44,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629260766] [2020-12-01 15:09:44,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e85710d-b389-4f13-8177-2a524ff64027/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 [2020-12-01 15:09:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:09:44,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 15:09:44,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:09:44,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:09:44,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-01 15:09:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:09:45,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:10:21,932 WARN L197 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 19 [2020-12-01 15:10:23,953 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|)))) (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))))) (= (bvadd (bvand (_ bv2147483647 32) v_skolemized_v_prenex_5_5) (_ bv2155872256 32)) (_ bv0 32)))) is different from false [2020-12-01 15:10:25,969 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 [2020-12-01 15:10:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:10:25,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629260766] [2020-12-01 15:10:25,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:10:25,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 14] imperfect sequences [] total 25 [2020-12-01 15:10:25,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4842201] [2020-12-01 15:10:25,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-01 15:10:25,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:10:25,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-01 15:10:25,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=436, Unknown=18, NotChecked=86, Total=600 [2020-12-01 15:10:25,994 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 25 states. [2020-12-01 15:10:30,213 WARN L197 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 35 DAG size of output: 9 [2020-12-01 15:10:36,603 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 15:10:36,953 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 15:10:37,404 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-01 15:10:37,705 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 15:10:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:10:37,706 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-12-01 15:10:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-01 15:10:37,706 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 26 [2020-12-01 15:10:37,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:10:37,707 INFO L225 Difference]: With dead ends: 27 [2020-12-01 15:10:37,707 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:10:37,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 52.3s TimeCoverageRelationStatistics Valid=211, Invalid=898, Unknown=21, NotChecked=130, Total=1260 [2020-12-01 15:10:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:10:37,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:10:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:10:37,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:10:37,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-01 15:10:37,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:10:37,709 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:10:37,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-12-01 15:10:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:10:37,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:10:37,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-01 15:10:37,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:10:38,134 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 164 [2020-12-01 15:10:38,408 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-12-01 15:10:42,476 WARN L197 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 164 DAG size of output: 102 [2020-12-01 15:11:09,592 WARN L197 SmtUtils]: Spent 27.11 s on a formula simplification. DAG size of input: 193 DAG size of output: 125 [2020-12-01 15:11:09,754 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2020-12-01 15:11:21,809 WARN L197 SmtUtils]: Spent 12.05 s on a formula simplification. DAG size of input: 174 DAG size of output: 109 [2020-12-01 15:11:21,828 INFO L262 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-12-01 15:11:21,828 INFO L262 CegarLoopResult]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2020-12-01 15:11:21,828 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:11:21,829 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 15:11:21,829 INFO L262 CegarLoopResult]: For program point L235(lines 235 238) no Hoare annotation was computed. [2020-12-01 15:11:21,829 INFO L262 CegarLoopResult]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2020-12-01 15:11:21,829 INFO L258 CegarLoopResult]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2020-12-01 15:11:21,829 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2020-12-01 15:11:21,829 INFO L262 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2020-12-01 15:11:21,829 INFO L258 CegarLoopResult]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2020-12-01 15:11:21,829 INFO L262 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-12-01 15:11:21,829 INFO L262 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-12-01 15:11:21,830 INFO L262 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-12-01 15:11:21,830 INFO L262 CegarLoopResult]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2020-12-01 15:11:21,830 INFO L262 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-12-01 15:11:21,830 INFO L258 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-12-01 15:11:21,830 INFO L262 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-12-01 15:11:21,830 INFO L262 CegarLoopResult]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2020-12-01 15:11:21,831 INFO L258 CegarLoopResult]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2020-12-01 15:11:21,831 INFO L262 CegarLoopResult]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2020-12-01 15:11:21,831 INFO L265 CegarLoopResult]: At program point L239(lines 224 240) the Hoare annotation is: true [2020-12-01 15:11:21,831 INFO L262 CegarLoopResult]: For program point L141(lines 141 145) no Hoare annotation was computed. [2020-12-01 15:11:21,831 INFO L262 CegarLoopResult]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2020-12-01 15:11:21,831 INFO L262 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-12-01 15:11:21,831 INFO L258 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-12-01 15:11:21,831 INFO L262 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-12-01 15:11:21,831 INFO L262 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-12-01 15:11:21,832 INFO L258 CegarLoopResult]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2020-12-01 15:11:21,832 INFO L262 CegarLoopResult]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2020-12-01 15:11:21,832 INFO L262 CegarLoopResult]: For program point L109(lines 109 113) no Hoare annotation was computed. [2020-12-01 15:11:21,832 INFO L262 CegarLoopResult]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2020-12-01 15:11:21,832 INFO L258 CegarLoopResult]: At program point L209(lines 83 210) the Hoare annotation is: (let ((.cse2 (= currentRoundingMode roundNearestTiesToEven)) (.cse3 (let ((.cse7 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and .cse7 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32)))) (and .cse7 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse1 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (bvsgt (bvadd .cse0 (bvneg .cse1)) (_ bv251658240 32))))) (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 (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))) .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)) ULTIMATE.start___ieee754_hypotf_~a~0) .cse3) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) ULTIMATE.start___ieee754_hypotf_~w~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (= (let ((.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse6 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) ULTIMATE.start___ieee754_hypotf_~b~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) .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))) .cse3))) [2020-12-01 15:11:21,832 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-12-01 15:11:21,832 INFO L262 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-12-01 15:11:21,833 INFO L262 CegarLoopResult]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2020-12-01 15:11:21,833 INFO L262 CegarLoopResult]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2020-12-01 15:11:21,833 INFO L262 CegarLoopResult]: For program point L177(lines 177 200) no Hoare annotation was computed. [2020-12-01 15:11:21,833 INFO L262 CegarLoopResult]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2020-12-01 15:11:21,833 INFO L262 CegarLoopResult]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2020-12-01 15:11:21,833 INFO L258 CegarLoopResult]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2020-12-01 15:11:21,833 INFO L262 CegarLoopResult]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2020-12-01 15:11:21,833 INFO L258 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: false [2020-12-01 15:11:21,834 INFO L258 CegarLoopResult]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2020-12-01 15:11:21,834 INFO L262 CegarLoopResult]: For program point L147(lines 147 174) no Hoare annotation was computed. [2020-12-01 15:11:21,834 INFO L262 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-12-01 15:11:21,834 INFO L262 CegarLoopResult]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2020-12-01 15:11:21,834 INFO L262 CegarLoopResult]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2020-12-01 15:11:21,834 INFO L262 CegarLoopResult]: For program point L148(lines 148 173) no Hoare annotation was computed. [2020-12-01 15:11:21,834 INFO L262 CegarLoopResult]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2020-12-01 15:11:21,835 INFO L258 CegarLoopResult]: At program point L215-2(lines 215 219) the Hoare annotation is: (let ((.cse4 (= currentRoundingMode roundNearestTiesToEven)) (.cse5 (let ((.cse10 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and .cse10 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32)))) (and .cse10 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse1 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) ULTIMATE.start_isinf_float_~x) (bvsgt (bvadd .cse0 (bvneg .cse1)) (_ bv251658240 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (bvsgt (bvadd .cse2 (bvneg .cse3)) (_ bv251658240 32))))) (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 (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 (= (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)) ULTIMATE.start___ieee754_hypotf_~a~0) .cse5) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse6 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) ULTIMATE.start___ieee754_hypotf_~w~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse7 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))) ULTIMATE.start_isinf_float_~x) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (= (let ((.cse8 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse9 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) ULTIMATE.start___ieee754_hypotf_~b~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) .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))) .cse5))) [2020-12-01 15:11:21,835 INFO L262 CegarLoopResult]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2020-12-01 15:11:21,835 INFO L262 CegarLoopResult]: For program point L150(lines 150 173) no Hoare annotation was computed. [2020-12-01 15:11:21,835 INFO L262 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-12-01 15:11:21,835 INFO L258 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2020-12-01 15:11:21,835 INFO L262 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-12-01 15:11:21,836 INFO L258 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-12-01 15:11:21,836 INFO L262 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-12-01 15:11:21,836 INFO L258 CegarLoopResult]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2020-12-01 15:11:21,836 INFO L262 CegarLoopResult]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2020-12-01 15:11:21,836 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:11:21,836 INFO L262 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-12-01 15:11:21,837 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-12-01 15:11:21,837 INFO L258 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32))))) [2020-12-01 15:11:21,837 INFO L262 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-12-01 15:11:21,837 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-01 15:11:21,837 INFO L262 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-12-01 15:11:21,838 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-01 15:11:21,838 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-12-01 15:11:21,838 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-12-01 15:11:21,838 INFO L262 CegarLoopResult]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2020-12-01 15:11:21,838 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-01 15:11:21,838 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-01 15:11:21,839 INFO L262 CegarLoopResult]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2020-12-01 15:11:21,839 INFO L262 CegarLoopResult]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2020-12-01 15:11:21,839 INFO L258 CegarLoopResult]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2020-12-01 15:11:21,839 INFO L262 CegarLoopResult]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2020-12-01 15:11:21,840 INFO L258 CegarLoopResult]: At program point L221(lines 213 222) the Hoare annotation is: (let ((.cse6 (= currentRoundingMode roundNearestTiesToEven)) (.cse7 (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (let ((.cse14 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (or (and .cse14 (not (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg ULTIMATE.start___ieee754_hypotf_~hb~0)) (_ bv251658240 32)))) (and .cse14 (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_26)))))))) (or (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse1 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) ULTIMATE.start_isinf_float_~x) (bvsgt (bvadd .cse0 (bvneg .cse1)) (_ bv251658240 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse3 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (bvsgt (bvadd .cse2 (bvneg .cse3)) (_ bv251658240 32))))) (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 (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))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32)) (v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (let ((.cse4 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (= (fp.add roundNearestTiesToEven (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (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))) (bvsgt (bvadd .cse4 (bvneg .cse5)) (_ bv251658240 32))))) .cse6 .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)) ULTIMATE.start___ieee754_hypotf_~a~0) .cse8) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse9 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))) ULTIMATE.start___ieee754_hypotf_~w~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_31 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_31)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse10 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))) ULTIMATE.start_isinf_float_~x) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (= (let ((.cse11 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))) |ULTIMATE.start___ieee754_hypotf_#res|))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse12 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse12) ((_ extract 30 23) .cse12) ((_ extract 22 0) .cse12))) ULTIMATE.start___ieee754_hypotf_~b~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) .cse6 .cse7 (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 ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_37 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse13 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))) (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13))) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 30 23) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37) ((_ extract 22 0) v_ULTIMATE.start___ieee754_hypotf_~hb~0_37))))) .cse8))) [2020-12-01 15:11:21,841 INFO L262 CegarLoopResult]: For program point L123(lines 123 146) no Hoare annotation was computed. [2020-12-01 15:11:21,841 INFO L262 CegarLoopResult]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2020-12-01 15:11:21,841 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:11:21,841 INFO L262 CegarLoopResult]: For program point L124(lines 124 131) no Hoare annotation was computed. [2020-12-01 15:11:21,841 INFO L262 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-12-01 15:11:21,841 INFO L262 CegarLoopResult]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2020-12-01 15:11:21,841 INFO L262 CegarLoopResult]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2020-12-01 15:11:21,842 INFO L258 CegarLoopResult]: At program point L93-2(lines 93 97) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (forall ((v_ULTIMATE.start_isinf_float_~ix~1_17 (_ BitVec 32))) (or (not (= ULTIMATE.start___ieee754_hypotf_~b~0 (fp ((_ extract 31 31) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 30 23) v_ULTIMATE.start_isinf_float_~ix~1_17) ((_ extract 22 0) v_ULTIMATE.start_isinf_float_~ix~1_17)))) (= (bvadd (bvand (_ bv2147483647 32) v_ULTIMATE.start_isinf_float_~ix~1_17) (_ bv2155872256 32)) (_ bv0 32)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)))) [2020-12-01 15:11:21,842 INFO L262 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-12-01 15:11:21,842 INFO L262 CegarLoopResult]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2020-12-01 15:11:21,842 INFO L258 CegarLoopResult]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2020-12-01 15:11:21,842 INFO L262 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-12-01 15:11:21,842 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:11:21,843 INFO L262 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-12-01 15:11:21,843 INFO L262 CegarLoopResult]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2020-12-01 15:11:21,843 INFO L262 CegarLoopResult]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2020-12-01 15:11:21,843 INFO L262 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-12-01 15:11:21,843 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-12-01 15:11:21,843 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-12-01 15:11:21,843 INFO L258 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2020-12-01 15:11:21,844 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-12-01 15:11:21,844 INFO L262 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-12-01 15:11:21,844 INFO L262 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-12-01 15:11:21,844 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:11:21,844 INFO L262 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-12-01 15:11:21,844 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:11:21,845 INFO L262 CegarLoopResult]: For program point L99(lines 99 108) no Hoare annotation was computed. [2020-12-01 15:11:21,845 INFO L262 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-12-01 15:11:21,845 INFO L262 CegarLoopResult]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2020-12-01 15:11:21,845 INFO L262 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-12-01 15:11:21,845 INFO L262 CegarLoopResult]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2020-12-01 15:11:21,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:11:21,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-12-01 15:11:21,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:11:21,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-12-01 15:11:21,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,873 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:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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) [2020-12-01 15:11:21,876 INFO L168 Benchmark]: Toolchain (without parser) took 331892.79 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 58.6 MB in the beginning and 54.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:21,876 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 73.4 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:11:21,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.89 ms. Allocated memory is still 73.4 MB. Free memory was 58.6 MB in the beginning and 52.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:21,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.98 ms. Allocated memory is still 73.4 MB. Free memory was 52.4 MB in the beginning and 49.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:21,878 INFO L168 Benchmark]: Boogie Preprocessor took 121.95 ms. Allocated memory is still 73.4 MB. Free memory was 49.6 MB in the beginning and 46.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:21,879 INFO L168 Benchmark]: RCFGBuilder took 14029.60 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 46.5 MB in the beginning and 78.6 MB in the end (delta: -32.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:21,880 INFO L168 Benchmark]: TraceAbstraction took 316930.57 ms. Allocated memory is still 104.9 MB. Free memory was 78.2 MB in the beginning and 54.6 MB in the end (delta: 23.5 MB). Peak memory consumption was 56.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:11:21,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 73.4 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.89 ms. Allocated memory is still 73.4 MB. Free memory was 58.6 MB in the beginning and 52.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.98 ms. Allocated memory is still 73.4 MB. Free memory was 52.4 MB in the beginning and 49.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 121.95 ms. Allocated memory is still 73.4 MB. Free memory was 49.6 MB in the beginning and 46.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 14029.60 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 46.5 MB in the beginning and 78.6 MB in the end (delta: -32.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 316930.57 ms. Allocated memory is still 104.9 MB. Free memory was 78.2 MB in the beginning and 54.6 MB in the end (delta: 23.5 MB). Peak memory consumption was 56.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - 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 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_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] - 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: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2020-12-01 15:11:21,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:11:21,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-12-01 15:11:21,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:11:21,902 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,902 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,902 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isinf_float_~ix~1_17,QUANTIFIED] [2020-12-01 15:11:21,903 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_hypotf_~ha~0_30,QUANTIFIED] [2020-12-01 15:11:21,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:11:21,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && y == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE())) && (forall v_ULTIMATE.start_isinf_float_~ix~1_17 : bv32 :: !(b == ~fp~LONGDOUBLE(v_ULTIMATE.start_isinf_float_~ix~1_17[31:31], v_ULTIMATE.start_isinf_float_~ix~1_17[30:23], v_ULTIMATE.start_isinf_float_~ix~1_17[22:0])) || ~bvadd64(~bvand32(2147483647bv32, v_ULTIMATE.start_isinf_float_~ix~1_17), 2155872256bv32) == 0bv32)) && (\exists v_ULTIMATE.start___ieee754_hypotf_~ha~0_30 : bv32 :: ha == ~bvand32(2147483647bv32, v_ULTIMATE.start___ieee754_hypotf_~ha~0_30)) - 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...