./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/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 f7d18d1e6b0122c23b84229e441b21db3f9c1bd1 ........................................................................................................................................................................................................................................................................................................................... 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_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/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 f7d18d1e6b0122c23b84229e441b21db3f9c1bd1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:52:40,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:52:40,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:52:40,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:52:40,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:52:40,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:52:40,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:52:40,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:52:40,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:52:40,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:52:40,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:52:40,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:52:40,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:52:40,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:52:40,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:52:40,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:52:40,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:52:40,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:52:40,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:52:40,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:52:40,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:52:40,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:52:40,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:52:40,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:52:40,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:52:40,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:52:40,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:52:40,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:52:40,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:52:40,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:52:40,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:52:40,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:52:40,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:52:40,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:52:40,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:52:40,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:52:40,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:52:40,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:52:40,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:52:40,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:52:40,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:52:40,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:52:40,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:52:40,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:52:40,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:52:40,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:52:40,598 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:52:40,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:52:40,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:52:40,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:52:40,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:52:40,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:52:40,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:52:40,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:52:40,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:52:40,601 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:52:40,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:52:40,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:52:40,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:52:40,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:52:40,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:52:40,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:52:40,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:52:40,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:52:40,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:52:40,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:52:40,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:52:40,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:52:40,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:52:40,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:52:40,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:52:40,605 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_89f286d3-84eb-41e6-b6aa-84807437cfae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d18d1e6b0122c23b84229e441b21db3f9c1bd1 [2020-11-29 22:52:40,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:52:40,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:52:40,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:52:40,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:52:40,927 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:52:40,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2020-11-29 22:52:41,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data/fa9c52459/59634201da9244f3ad11e92131cff9eb/FLAG1912b49e2 [2020-11-29 22:52:41,585 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:52:41,586 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2020-11-29 22:52:41,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data/fa9c52459/59634201da9244f3ad11e92131cff9eb/FLAG1912b49e2 [2020-11-29 22:52:41,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data/fa9c52459/59634201da9244f3ad11e92131cff9eb [2020-11-29 22:52:41,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:52:41,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:52:41,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:52:41,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:52:41,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:52:41,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:52:41" (1/1) ... [2020-11-29 22:52:41,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f8bacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:41, skipping insertion in model container [2020-11-29 22:52:41,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:52:41" (1/1) ... [2020-11-29 22:52:41,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:52:41,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:52:42,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:52:42,264 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:52:42,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:52:42,389 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:52:42,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42 WrapperNode [2020-11-29 22:52:42,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:52:42,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:52:42,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:52:42,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:52:42,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:52:42,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:52:42,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:52:42,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:52:42,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... [2020-11-29 22:52:42,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:52:42,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:52:42,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:52:42,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:52:42,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:52:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:52:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:52:42,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 22:52:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:52:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 22:52:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:52:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:52:42,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:52:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 22:52:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:52:43,576 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:52:43,577 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 22:52:43,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:52:43 BoogieIcfgContainer [2020-11-29 22:52:43,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:52:43,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:52:43,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:52:43,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:52:43,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:52:41" (1/3) ... [2020-11-29 22:52:43,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c3e364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:52:43, skipping insertion in model container [2020-11-29 22:52:43,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:42" (2/3) ... [2020-11-29 22:52:43,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c3e364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:52:43, skipping insertion in model container [2020-11-29 22:52:43,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:52:43" (3/3) ... [2020-11-29 22:52:43,589 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681b.c [2020-11-29 22:52:43,603 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:52:43,608 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:52:43,627 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:52:43,650 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:52:43,650 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:52:43,650 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:52:43,650 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:52:43,650 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:52:43,650 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:52:43,650 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:52:43,650 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:52:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-11-29 22:52:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 22:52:43,672 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:52:43,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:52:43,673 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:52:43,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:52:43,680 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2020-11-29 22:52:43,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:52:43,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339867101] [2020-11-29 22:52:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:52:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:52:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:52:43,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339867101] [2020-11-29 22:52:43,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:52:43,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:52:43,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219105171] [2020-11-29 22:52:43,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:52:43,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:52:43,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:52:43,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:52:43,885 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-11-29 22:52:43,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:52:43,919 INFO L93 Difference]: Finished difference Result 227 states and 379 transitions. [2020-11-29 22:52:43,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:52:43,920 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 22:52:43,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:52:43,934 INFO L225 Difference]: With dead ends: 227 [2020-11-29 22:52:43,934 INFO L226 Difference]: Without dead ends: 111 [2020-11-29 22:52:43,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:52:43,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-29 22:52:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-29 22:52:43,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 22:52:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2020-11-29 22:52:43,986 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 11 [2020-11-29 22:52:43,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:52:43,987 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2020-11-29 22:52:43,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:52:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-11-29 22:52:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:52:43,988 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:52:43,988 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:52:43,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:52:43,989 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:52:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:52:43,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1378836132, now seen corresponding path program 1 times [2020-11-29 22:52:43,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:52:43,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165258421] [2020-11-29 22:52:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:52:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:52:44,110 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:52:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:52:44,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:52:44,270 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:52:44,271 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:52:44,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:52:44,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:52:44 BoogieIcfgContainer [2020-11-29 22:52:44,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:52:44,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:52:44,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:52:44,350 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:52:44,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:52:43" (3/4) ... [2020-11-29 22:52:44,354 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:52:44,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:52:44,358 INFO L168 Benchmark]: Toolchain (without parser) took 2441.89 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.1 MB in the beginning and 90.8 MB in the end (delta: -25.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:52:44,359 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory was 73.4 MB in the beginning and 73.4 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:52:44,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.38 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 72.3 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:52:44,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.63 ms. Allocated memory is still 100.7 MB. Free memory was 72.3 MB in the beginning and 68.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:52:44,362 INFO L168 Benchmark]: Boogie Preprocessor took 75.67 ms. Allocated memory is still 100.7 MB. Free memory was 68.9 MB in the beginning and 65.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:52:44,364 INFO L168 Benchmark]: RCFGBuilder took 1022.53 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.6 MB in the beginning and 81.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:52:44,365 INFO L168 Benchmark]: TraceAbstraction took 766.20 ms. Allocated memory is still 121.6 MB. Free memory was 81.4 MB in the beginning and 90.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:52:44,366 INFO L168 Benchmark]: Witness Printer took 4.95 ms. Allocated memory is still 121.6 MB. Free memory is still 90.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:52:44,381 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 100.7 MB. Free memory was 73.4 MB in the beginning and 73.4 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.38 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 72.3 MB in the end (delta: -7.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.63 ms. Allocated memory is still 100.7 MB. Free memory was 72.3 MB in the beginning and 68.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.67 ms. Allocated memory is still 100.7 MB. Free memory was 68.9 MB in the beginning and 65.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1022.53 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 65.6 MB in the beginning and 81.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 766.20 ms. Allocated memory is still 121.6 MB. Free memory was 81.4 MB in the beginning and 90.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.95 ms. Allocated memory is still 121.6 MB. Free memory is still 90.8 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 someBinaryFLOATComparisonOperation at line 239, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L234] float x = 0.0f; [L235] float y = 0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L236] float res = __ieee754_atan2f(y, x); [L239] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L239] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L3] __assert_fail("0", "float_req_bl_0681b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 163 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=115occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:52:47,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:52:47,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:52:47,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-29 22:52:47,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:52:47,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:52:47,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:52:47,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:52:47,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:52:47,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:52:47,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:52:47,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:52:47,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:52:47,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:52:47,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:52:47,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:52:47,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-29 22:52:47,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:52:47,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:52:47,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:52:47,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:52:47,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:52:47,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:52:47,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:52:47,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:52:47,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:52:47,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:52:47,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:52:47,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 22:52:47,310 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:52:47,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:52:47,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:52:47,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:52:47,318 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:52:47,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:52:47,318 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:52:47,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:52:47,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:52:47,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:52:47,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:52:47,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:52:47,321 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:52:47,321 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:52:47,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:52:47,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:52:47,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:52:47,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:52:47,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:52:47,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:52:47,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:52:47,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:52:47,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:52:47,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:52:47,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:52:47,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:52:47,325 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 22:52:47,325 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:52:47,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:52:47,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:52:47,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:52:47,326 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_89f286d3-84eb-41e6-b6aa-84807437cfae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7d18d1e6b0122c23b84229e441b21db3f9c1bd1 [2020-11-29 22:52:47,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:52:47,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:52:47,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:52:47,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:52:47,792 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:52:47,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2020-11-29 22:52:47,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data/2646ebb49/c5c5a07c034d4ffdbbf782edc3112e42/FLAGb29fd2f0c [2020-11-29 22:52:48,449 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:52:48,450 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2020-11-29 22:52:48,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data/2646ebb49/c5c5a07c034d4ffdbbf782edc3112e42/FLAGb29fd2f0c [2020-11-29 22:52:48,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/data/2646ebb49/c5c5a07c034d4ffdbbf782edc3112e42 [2020-11-29 22:52:48,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:52:48,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:52:48,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:52:48,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:52:48,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:52:48,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:52:48" (1/1) ... [2020-11-29 22:52:48,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17eee723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:48, skipping insertion in model container [2020-11-29 22:52:48,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:52:48" (1/1) ... [2020-11-29 22:52:48,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:52:48,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:52:49,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:52:49,039 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:52:49,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:52:49,214 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:52:49,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49 WrapperNode [2020-11-29 22:52:49,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:52:49,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:52:49,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:52:49,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:52:49,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:52:49,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:52:49,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:52:49,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:52:49,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... [2020-11-29 22:52:49,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:52:49,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:52:49,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:52:49,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:52:49,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:52:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-29 22:52:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 22:52:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:52:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 22:52:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 22:52:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:52:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:52:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 22:52:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 22:52:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:53:08,684 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:53:08,685 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 22:53:08,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:53:08 BoogieIcfgContainer [2020-11-29 22:53:08,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:53:08,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:53:08,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:53:08,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:53:08,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:52:48" (1/3) ... [2020-11-29 22:53:08,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e60241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:53:08, skipping insertion in model container [2020-11-29 22:53:08,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:52:49" (2/3) ... [2020-11-29 22:53:08,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e60241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:53:08, skipping insertion in model container [2020-11-29 22:53:08,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:53:08" (3/3) ... [2020-11-29 22:53:08,698 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0681b.c [2020-11-29 22:53:08,711 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:53:08,717 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:53:08,730 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:53:08,759 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:53:08,760 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:53:08,760 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:53:08,760 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:53:08,760 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:53:08,760 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:53:08,761 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:53:08,761 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:53:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-11-29 22:53:08,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 22:53:08,787 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:53:08,788 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:53:08,789 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:53:08,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:53:08,796 INFO L82 PathProgramCache]: Analyzing trace with hash 530404973, now seen corresponding path program 1 times [2020-11-29 22:53:08,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:53:08,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063649531] [2020-11-29 22:53:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 22:53:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:10,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 22:53:10,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:53:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:10,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:53:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:10,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063649531] [2020-11-29 22:53:10,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:53:10,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 22:53:10,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611860949] [2020-11-29 22:53:10,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:53:10,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:53:10,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:53:10,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:53:10,180 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-11-29 22:53:10,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:53:10,214 INFO L93 Difference]: Finished difference Result 227 states and 379 transitions. [2020-11-29 22:53:10,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:53:10,215 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 22:53:10,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:53:10,227 INFO L225 Difference]: With dead ends: 227 [2020-11-29 22:53:10,228 INFO L226 Difference]: Without dead ends: 111 [2020-11-29 22:53:10,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:53:10,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-29 22:53:10,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-29 22:53:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 22:53:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2020-11-29 22:53:10,280 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 11 [2020-11-29 22:53:10,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:53:10,281 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2020-11-29 22:53:10,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:53:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-11-29 22:53:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:53:10,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:53:10,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:53:10,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 22:53:10,496 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:53:10,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:53:10,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1378836132, now seen corresponding path program 1 times [2020-11-29 22:53:10,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:53:10,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119181147] [2020-11-29 22:53:10,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 22:53:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:11,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 22:53:11,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:53:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:11,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:53:12,037 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 22:53:12,220 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 22:53:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:12,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119181147] [2020-11-29 22:53:12,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:53:12,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-11-29 22:53:12,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478109697] [2020-11-29 22:53:12,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-29 22:53:12,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:53:12,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-29 22:53:12,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-29 22:53:12,374 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand 12 states. [2020-11-29 22:53:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:53:12,765 INFO L93 Difference]: Finished difference Result 123 states and 174 transitions. [2020-11-29 22:53:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 22:53:12,776 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-11-29 22:53:12,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:53:12,777 INFO L225 Difference]: With dead ends: 123 [2020-11-29 22:53:12,777 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 22:53:12,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-11-29 22:53:12,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 22:53:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-29 22:53:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-29 22:53:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2020-11-29 22:53:12,798 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 13 [2020-11-29 22:53:12,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:53:12,799 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2020-11-29 22:53:12,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-29 22:53:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2020-11-29 22:53:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 22:53:12,800 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:53:12,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:53:13,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 22:53:13,001 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:53:13,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:53:13,002 INFO L82 PathProgramCache]: Analyzing trace with hash 631770583, now seen corresponding path program 1 times [2020-11-29 22:53:13,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:53:13,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397897905] [2020-11-29 22:53:13,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 22:53:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:14,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 22:53:14,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:53:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:14,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:53:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:14,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397897905] [2020-11-29 22:53:14,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:53:14,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2020-11-29 22:53:14,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108420402] [2020-11-29 22:53:14,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 22:53:14,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:53:14,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 22:53:14,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 22:53:14,211 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand 7 states. [2020-11-29 22:53:14,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:53:14,488 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2020-11-29 22:53:14,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 22:53:14,489 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-11-29 22:53:14,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:53:14,490 INFO L225 Difference]: With dead ends: 41 [2020-11-29 22:53:14,490 INFO L226 Difference]: Without dead ends: 38 [2020-11-29 22:53:14,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-29 22:53:14,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-29 22:53:14,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 31. [2020-11-29 22:53:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-29 22:53:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2020-11-29 22:53:14,498 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 18 [2020-11-29 22:53:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:53:14,498 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2020-11-29 22:53:14,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 22:53:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-11-29 22:53:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 22:53:14,504 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:53:14,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:53:14,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 22:53:14,705 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:53:14,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:53:14,705 INFO L82 PathProgramCache]: Analyzing trace with hash -2092798736, now seen corresponding path program 1 times [2020-11-29 22:53:14,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:53:14,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917286713] [2020-11-29 22:53:14,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 22:53:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:15,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 22:53:15,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:53:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:16,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:53:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:16,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917286713] [2020-11-29 22:53:16,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:53:16,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 12 [2020-11-29 22:53:16,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016165155] [2020-11-29 22:53:16,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-29 22:53:16,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:53:16,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-29 22:53:16,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-29 22:53:16,382 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand 12 states. [2020-11-29 22:53:16,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:53:16,627 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2020-11-29 22:53:16,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 22:53:16,634 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 19 [2020-11-29 22:53:16,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:53:16,634 INFO L225 Difference]: With dead ends: 42 [2020-11-29 22:53:16,634 INFO L226 Difference]: Without dead ends: 23 [2020-11-29 22:53:16,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-11-29 22:53:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-29 22:53:16,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-29 22:53:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-29 22:53:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2020-11-29 22:53:16,641 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 19 [2020-11-29 22:53:16,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:53:16,641 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2020-11-29 22:53:16,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-29 22:53:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2020-11-29 22:53:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 22:53:16,642 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:53:16,643 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] [2020-11-29 22:53:16,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 22:53:16,859 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:53:16,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:53:16,860 INFO L82 PathProgramCache]: Analyzing trace with hash 880011756, now seen corresponding path program 1 times [2020-11-29 22:53:16,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:53:16,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286180936] [2020-11-29 22:53:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 22:53:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:53:18,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 22:53:18,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:53:18,062 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 22:53:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:18,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:53:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:53:18,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286180936] [2020-11-29 22:53:18,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:53:18,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-11-29 22:53:18,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038601403] [2020-11-29 22:53:18,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 22:53:18,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:53:18,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 22:53:18,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-29 22:53:18,384 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 14 states. [2020-11-29 22:53:18,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:53:18,625 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2020-11-29 22:53:18,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 22:53:18,626 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 22 [2020-11-29 22:53:18,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:53:18,626 INFO L225 Difference]: With dead ends: 23 [2020-11-29 22:53:18,626 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:53:18,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-11-29 22:53:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:53:18,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:53:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:53:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:53:18,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-11-29 22:53:18,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:53:18,628 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:53:18,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 22:53:18,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:53:18,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:53:18,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 22:53:18,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:53:19,118 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-11-29 22:53:19,290 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 22:53:19,290 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 22:53:19,290 INFO L274 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L203(lines 203 207) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L170(lines 170 179) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L203-1(lines 196 208) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L71(lines 71 96) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 96) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L138(lines 138 139) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2020-11-29 22:53:19,291 INFO L274 CegarLoopResult]: For program point L72-3(lines 72 75) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L72-5(lines 72 75) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L73-1(lines 73 74) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L239-2(lines 239 242) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L142(lines 142 152) no Hoare annotation was computed. [2020-11-29 22:53:19,292 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-29 22:53:19,293 INFO L274 CegarLoopResult]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2020-11-29 22:53:19,293 INFO L274 CegarLoopResult]: For program point L109-1(lines 109 114) no Hoare annotation was computed. [2020-11-29 22:53:19,293 INFO L274 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-11-29 22:53:19,293 INFO L274 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-11-29 22:53:19,293 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-29 22:53:19,293 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-29 22:53:19,293 INFO L274 CegarLoopResult]: For program point L144-2(line 144) no Hoare annotation was computed. [2020-11-29 22:53:19,293 INFO L277 CegarLoopResult]: At program point L244(lines 229 245) the Hoare annotation is: true [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L79(lines 79 95) no Hoare annotation was computed. [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L79-1(lines 79 95) no Hoare annotation was computed. [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L80(lines 80 86) no Hoare annotation was computed. [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L113-2(line 113) no Hoare annotation was computed. [2020-11-29 22:53:19,294 INFO L270 CegarLoopResult]: At program point L113-3(lines 53 115) the Hoare annotation is: false [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L80-3(lines 80 86) no Hoare annotation was computed. [2020-11-29 22:53:19,294 INFO L274 CegarLoopResult]: For program point L113-4(line 113) no Hoare annotation was computed. [2020-11-29 22:53:19,295 INFO L274 CegarLoopResult]: For program point L113-6(line 113) no Hoare annotation was computed. [2020-11-29 22:53:19,295 INFO L270 CegarLoopResult]: At program point L113-7(lines 53 115) the Hoare annotation is: false [2020-11-29 22:53:19,295 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-29 22:53:19,295 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2020-11-29 22:53:19,295 INFO L270 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: false [2020-11-29 22:53:19,295 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 20) no Hoare annotation was computed. [2020-11-29 22:53:19,295 INFO L270 CegarLoopResult]: At program point L16-6(lines 16 20) the Hoare annotation is: false [2020-11-29 22:53:19,295 INFO L274 CegarLoopResult]: For program point L16-9(lines 16 20) no Hoare annotation was computed. [2020-11-29 22:53:19,295 INFO L270 CegarLoopResult]: At program point L16-10(lines 16 20) the Hoare annotation is: false [2020-11-29 22:53:19,295 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 22:53:19,296 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 22:53:19,296 INFO L274 CegarLoopResult]: For program point L184-2(line 184) no Hoare annotation was computed. [2020-11-29 22:53:19,296 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:53:19,296 INFO L270 CegarLoopResult]: At program point L120(lines 120 215) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_#t~switch37| (= (_ +zero 8 24) |ULTIMATE.start___ieee754_atan2f_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~m~0 (_ bv0 32))) [2020-11-29 22:53:19,296 INFO L274 CegarLoopResult]: For program point L21(lines 21 25) no Hoare annotation was computed. [2020-11-29 22:53:19,296 INFO L274 CegarLoopResult]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2020-11-29 22:53:19,296 INFO L274 CegarLoopResult]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2020-11-29 22:53:19,296 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-29 22:53:19,297 INFO L274 CegarLoopResult]: For program point L21-4(lines 14 27) no Hoare annotation was computed. [2020-11-29 22:53:19,297 INFO L274 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-11-29 22:53:19,297 INFO L274 CegarLoopResult]: For program point L21-6(lines 21 25) no Hoare annotation was computed. [2020-11-29 22:53:19,297 INFO L274 CegarLoopResult]: For program point L21-7(lines 14 27) no Hoare annotation was computed. [2020-11-29 22:53:19,297 INFO L274 CegarLoopResult]: For program point L21-8(lines 21 25) no Hoare annotation was computed. [2020-11-29 22:53:19,297 INFO L274 CegarLoopResult]: For program point L187(lines 187 192) no Hoare annotation was computed. [2020-11-29 22:53:19,297 INFO L274 CegarLoopResult]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2020-11-29 22:53:19,297 INFO L270 CegarLoopResult]: At program point L220-2(lines 220 224) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) |ULTIMATE.start_main_#t~short53| (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_#t~switch37| (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_atan2f_#res|) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~m~0 (_ bv0 32))) [2020-11-29 22:53:19,297 INFO L274 CegarLoopResult]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L88(lines 88 94) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L88-3(lines 88 94) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L88-5(lines 71 96) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L155-2(line 155) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L189(lines 189 192) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2020-11-29 22:53:19,298 INFO L274 CegarLoopResult]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2020-11-29 22:53:19,299 INFO L270 CegarLoopResult]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2020-11-29 22:53:19,299 INFO L274 CegarLoopResult]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2020-11-29 22:53:19,299 INFO L274 CegarLoopResult]: For program point L57-5(lines 57 61) no Hoare annotation was computed. [2020-11-29 22:53:19,299 INFO L270 CegarLoopResult]: At program point L57-6(lines 57 61) the Hoare annotation is: false [2020-11-29 22:53:19,299 INFO L274 CegarLoopResult]: For program point L57-7(lines 57 61) no Hoare annotation was computed. [2020-11-29 22:53:19,299 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:53:19,299 INFO L274 CegarLoopResult]: For program point L157(lines 157 181) no Hoare annotation was computed. [2020-11-29 22:53:19,299 INFO L274 CegarLoopResult]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2020-11-29 22:53:19,299 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2020-11-29 22:53:19,299 INFO L270 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24))) [2020-11-29 22:53:19,300 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2020-11-29 22:53:19,300 INFO L274 CegarLoopResult]: For program point L158(lines 158 180) no Hoare annotation was computed. [2020-11-29 22:53:19,300 INFO L270 CegarLoopResult]: At program point L26(lines 14 27) the Hoare annotation is: false [2020-11-29 22:53:19,300 INFO L270 CegarLoopResult]: At program point L26-1(lines 14 27) the Hoare annotation is: false [2020-11-29 22:53:19,300 INFO L270 CegarLoopResult]: At program point L26-2(lines 14 27) the Hoare annotation is: false [2020-11-29 22:53:19,300 INFO L274 CegarLoopResult]: For program point L159(lines 159 168) no Hoare annotation was computed. [2020-11-29 22:53:19,300 INFO L270 CegarLoopResult]: At program point L226(lines 217 227) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0) ULTIMATE.start___ieee754_atan2f_~iy~0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)))) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= (_ +zero 8 24) |ULTIMATE.start___ieee754_atan2f_#res|) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) |ULTIMATE.start_main_#t~short53| (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~1) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~1) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~1))) |ULTIMATE.start___ieee754_atan2f_#t~switch37| (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~m~0 (_ bv0 32))) [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point L193(lines 193 214) no Hoare annotation was computed. [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point L63(lines 63 70) no Hoare annotation was computed. [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point L63-1(lines 63 70) no Hoare annotation was computed. [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 22:53:19,301 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-11-29 22:53:19,302 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (= ULTIMATE.start___ieee754_atan2f_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24))) [2020-11-29 22:53:19,302 INFO L274 CegarLoopResult]: For program point L64(lines 64 65) no Hoare annotation was computed. [2020-11-29 22:53:19,302 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-11-29 22:53:19,302 INFO L274 CegarLoopResult]: For program point L64-1(lines 64 65) no Hoare annotation was computed. [2020-11-29 22:53:19,302 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 22:53:19,302 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:53:19,302 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 22:53:19,303 INFO L274 CegarLoopResult]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2020-11-29 22:53:19,303 INFO L270 CegarLoopResult]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2020-11-29 22:53:19,303 INFO L274 CegarLoopResult]: For program point L66(lines 66 69) no Hoare annotation was computed. [2020-11-29 22:53:19,303 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 69) no Hoare annotation was computed. [2020-11-29 22:53:19,303 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 22:53:19,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,349 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,353 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,354 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,355 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,356 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,357 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,358 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,359 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:53:19 BoogieIcfgContainer [2020-11-29 22:53:19,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:53:19,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:53:19,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:53:19,368 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:53:19,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:53:08" (3/4) ... [2020-11-29 22:53:19,372 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:53:19,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-29 22:53:19,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-29 22:53:19,404 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:53:19,405 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:53:19,434 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && y == ~Pluszero~LONGDOUBLE() [2020-11-29 22:53:19,435 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && y == ~Pluszero~LONGDOUBLE()) && aux-switch (m) { case 0: case 1: return y; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux) && ~Pluszero~LONGDOUBLE() == \result) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && m == 0bv32 [2020-11-29 22:53:19,438 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && y == ~Pluszero~LONGDOUBLE()) && aux-switch (m) { case 0: case 1: return y; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && m == 0bv32 [2020-11-29 22:53:19,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && y == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && aux-switch (m) { case 0: case 1: return y; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux) && \result == 0bv32) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && m == 0bv32 [2020-11-29 22:53:19,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_89f286d3-84eb-41e6-b6aa-84807437cfae/bin/uautomizer/witness.graphml [2020-11-29 22:53:19,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:53:19,530 INFO L168 Benchmark]: Toolchain (without parser) took 30799.56 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 52.3 MB in the beginning and 34.1 MB in the end (delta: 18.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:53:19,531 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory is still 52.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:53:19,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.94 ms. Allocated memory is still 69.2 MB. Free memory was 52.1 MB in the beginning and 36.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:53:19,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.92 ms. Allocated memory is still 69.2 MB. Free memory was 36.3 MB in the beginning and 32.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:53:19,532 INFO L168 Benchmark]: Boogie Preprocessor took 115.97 ms. Allocated memory is still 69.2 MB. Free memory was 32.7 MB in the beginning and 49.8 MB in the end (delta: -17.1 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:53:19,532 INFO L168 Benchmark]: RCFGBuilder took 19234.02 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 49.8 MB in the beginning and 58.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:53:19,533 INFO L168 Benchmark]: TraceAbstraction took 10672.43 ms. Allocated memory is still 90.2 MB. Free memory was 58.3 MB in the beginning and 42.5 MB in the end (delta: 15.8 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:53:19,533 INFO L168 Benchmark]: Witness Printer took 161.56 ms. Allocated memory is still 90.2 MB. Free memory was 42.5 MB in the beginning and 34.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:53:19,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory is still 52.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.94 ms. Allocated memory is still 69.2 MB. Free memory was 52.1 MB in the beginning and 36.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.92 ms. Allocated memory is still 69.2 MB. Free memory was 36.3 MB in the beginning and 32.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.97 ms. Allocated memory is still 69.2 MB. Free memory was 32.7 MB in the beginning and 49.8 MB in the end (delta: -17.1 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19234.02 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 49.8 MB in the beginning and 58.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10672.43 ms. Allocated memory is still 90.2 MB. Free memory was 58.3 MB in the beginning and 42.5 MB in the end (delta: 15.8 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. * Witness Printer took 161.56 ms. Allocated memory is still 90.2 MB. Free memory was 42.5 MB in the beginning and 34.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] * 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: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: x == ~Pluszero~LONGDOUBLE() && y == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 220]: Loop Invariant [2020-11-29 22:53:19,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,545 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,555 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,555 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,556 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,557 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,558 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] Derived loop invariant: (((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && ~Pluszero~LONGDOUBLE() == res) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && y == ~Pluszero~LONGDOUBLE()) && aux-switch (m) { case 0: case 1: return y; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && m == 0bv32 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2020-11-29 22:53:19,559 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && y == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant [2020-11-29 22:53:19,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,564 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,569 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] Derived loop invariant: (((((((((((((\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && y == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && aux-switch (m) { case 0: case 1: return y; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux) && \result == 0bv32) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && m == 0bv32 - InvariantResult [Line: 120]: Loop Invariant [2020-11-29 22:53:19,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,574 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-29 22:53:19,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,575 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2020-11-29 22:53:19,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] Derived loop invariant: ((((((((\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~Pluszero~LONGDOUBLE() && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0) == iy && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~Pluszero~LONGDOUBLE()) && y == ~Pluszero~LONGDOUBLE()) && aux-switch (m) { case 0: case 1: return y; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux) && ~Pluszero~LONGDOUBLE() == \result) && ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~Pluszero~LONGDOUBLE()) && m == 0bv32 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 243 SDtfs, 390 SDslu, 200 SDs, 0 SdLazy, 108 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 115 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 17 PreInvPairs, 23 NumberOfFragments, 269 HoareAnnotationTreeSize, 17 FomulaSimplifications, 176 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 156 ConstructedInterpolants, 25 QuantifiedInterpolants, 20244 SizeOfPredicates, 42 NumberOfNonLiveVariables, 607 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 proved your program to be correct! Received shutdown request...