./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6b275d471d235c565842a02c594b024c1203d73 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:10:50,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:10:50,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:10:50,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:10:50,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:10:50,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:10:50,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:10:50,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:10:50,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:10:50,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:10:50,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:10:50,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:10:50,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:10:50,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:10:50,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:10:50,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:10:50,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:10:50,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:10:50,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:10:50,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:10:50,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:10:50,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:10:50,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:10:50,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:10:50,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:10:50,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:10:50,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:10:50,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:10:50,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:10:50,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:10:50,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:10:50,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:10:50,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:10:50,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:10:50,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:10:50,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:10:50,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:10:50,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:10:50,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:10:50,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:10:50,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:10:50,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 10:10:50,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:10:50,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:10:50,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:10:50,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:10:50,342 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:10:50,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:10:50,342 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:10:50,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:10:50,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:10:50,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:10:50,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:10:50,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:10:50,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:10:50,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:10:50,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:10:50,343 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:10:50,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:10:50,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:10:50,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:10:50,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:10:50,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:10:50,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:10:50,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:10:50,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:10:50,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:10:50,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:10:50,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:10:50,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:10:50,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:10:50,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_eb0a51f5-a72e-48fe-8911-d46c30babab6/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(__VERIFIER_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 -> c6b275d471d235c565842a02c594b024c1203d73 [2019-12-07 10:10:50,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:10:50,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:10:50,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:10:50,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:10:50,459 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:10:50,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-12-07 10:10:50,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data/7ae9c3a7e/b9d3cd94645e409ea738fb176d203c92/FLAG15027f180 [2019-12-07 10:10:50,832 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:10:50,832 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-12-07 10:10:50,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data/7ae9c3a7e/b9d3cd94645e409ea738fb176d203c92/FLAG15027f180 [2019-12-07 10:10:50,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data/7ae9c3a7e/b9d3cd94645e409ea738fb176d203c92 [2019-12-07 10:10:50,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:10:50,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:10:50,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:10:50,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:10:50,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:10:50,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:10:50" (1/1) ... [2019-12-07 10:10:50,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a64aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:50, skipping insertion in model container [2019-12-07 10:10:50,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:10:50" (1/1) ... [2019-12-07 10:10:50,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:10:50,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:10:51,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:10:51,053 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:10:51,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:10:51,105 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:10:51,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51 WrapperNode [2019-12-07 10:10:51,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:10:51,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:10:51,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:10:51,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:10:51,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:10:51,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:10:51,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:10:51,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:10:51,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... [2019-12-07 10:10:51,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:10:51,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:10:51,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:10:51,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:10:51,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/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 [2019-12-07 10:10:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:10:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 10:10:51,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:10:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 10:10:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:10:51,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:10:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:10:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 10:10:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:10:51,598 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:10:51,598 INFO L287 CfgBuilder]: Removed 46 assume(true) statements. [2019-12-07 10:10:51,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:10:51 BoogieIcfgContainer [2019-12-07 10:10:51,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:10:51,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:10:51,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:10:51,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:10:51,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:10:50" (1/3) ... [2019-12-07 10:10:51,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f222b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:10:51, skipping insertion in model container [2019-12-07 10:10:51,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:51" (2/3) ... [2019-12-07 10:10:51,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f222b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:10:51, skipping insertion in model container [2019-12-07 10:10:51,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:10:51" (3/3) ... [2019-12-07 10:10:51,604 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2019-12-07 10:10:51,610 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:10:51,615 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:10:51,622 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:10:51,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:10:51,638 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:10:51,638 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:10:51,638 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:10:51,638 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:10:51,638 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:10:51,638 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:10:51,638 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:10:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 10:10:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 10:10:51,654 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:10:51,655 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:10:51,655 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:10:51,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:10:51,658 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2019-12-07 10:10:51,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:10:51,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818876284] [2019-12-07 10:10:51,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:10:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:10:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:10:51,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818876284] [2019-12-07 10:10:51,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:10:51,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:10:51,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601150889] [2019-12-07 10:10:51,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:10:51,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 10:10:51,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:10:51,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:10:51,777 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 10:10:51,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:10:51,797 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2019-12-07 10:10:51,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:10:51,798 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-07 10:10:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:10:51,806 INFO L225 Difference]: With dead ends: 224 [2019-12-07 10:10:51,806 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 10:10:51,809 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:10:51,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 10:10:51,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 10:10:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 10:10:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2019-12-07 10:10:51,837 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2019-12-07 10:10:51,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:10:51,837 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2019-12-07 10:10:51,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:10:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2019-12-07 10:10:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:10:51,837 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:10:51,838 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:10:51,838 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:10:51,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:10:51,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2019-12-07 10:10:51,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:10:51,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420347081] [2019-12-07 10:10:51,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:10:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:10:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:10:51,936 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:10:51,936 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:10:51,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:10:51 BoogieIcfgContainer [2019-12-07 10:10:51,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:10:51,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:10:51,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:10:51,967 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:10:51,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:10:51" (3/4) ... [2019-12-07 10:10:51,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:10:51,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:10:51,971 INFO L168 Benchmark]: Toolchain (without parser) took 1122.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 942.5 MB in the beginning and 985.7 MB in the end (delta: -43.3 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:10:51,971 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:10:51,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:10:51,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:10:51,973 INFO L168 Benchmark]: Boogie Preprocessor took 36.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:10:51,973 INFO L168 Benchmark]: RCFGBuilder took 415.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:10:51,973 INFO L168 Benchmark]: TraceAbstraction took 366.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 985.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 10:10:51,974 INFO L168 Benchmark]: Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:10:51,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -141.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 415.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 366.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 985.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.02 ms. Allocated memory is still 1.1 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 234]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 138. Possible FailurePath: [L30-L35] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L37-L42] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L44-L48] 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, }; [L50-L52] 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; [L118-L119] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L224] float x = __VERIFIER_nondet_float(); [L225] float y = __VERIFIER_nondet_float(); [L13] return x != x; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L227] isnan_float(x) || isnan_float(y) VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L227] COND TRUE isnan_float(x) || isnan_float(y) [L122] float z; [L123] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L126] ieee_float_shape_type gf_u; [L127] gf_u.value = (x) [L128] EXPR gf_u.word [L128] (hx) = gf_u.word [L130] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L132] ieee_float_shape_type gf_u; [L133] gf_u.value = (y) [L134] EXPR gf_u.word [L134] (hy) = gf_u.word [L136] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L137] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L138] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L230] float res = __ieee754_atan2f(y, x); [L13] return x != x; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L233] COND TRUE !isnan_float(res) [L234] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 165 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:10:53,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:10:53,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:10:53,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:10:53,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:10:53,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:10:53,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:10:53,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:10:53,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:10:53,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:10:53,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:10:53,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:10:53,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:10:53,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:10:53,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:10:53,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:10:53,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:10:53,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:10:53,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:10:53,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:10:53,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:10:53,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:10:53,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:10:53,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:10:53,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:10:53,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:10:53,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:10:53,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:10:53,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:10:53,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:10:53,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:10:53,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:10:53,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:10:53,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:10:53,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:10:53,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:10:53,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:10:53,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:10:53,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:10:53,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:10:53,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:10:53,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 10:10:53,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:10:53,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:10:53,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:10:53,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:10:53,339 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:10:53,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:10:53,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:10:53,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:10:53,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:10:53,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:10:53,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:10:53,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:10:53,341 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:10:53,341 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:10:53,341 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:10:53,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:10:53,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:10:53,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:10:53,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:10:53,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:10:53,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:10:53,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:10:53,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:10:53,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:10:53,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:10:53,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:10:53,343 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:10:53,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:10:53,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:10:53,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:10:53,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:10:53,343 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/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(__VERIFIER_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 -> c6b275d471d235c565842a02c594b024c1203d73 [2019-12-07 10:10:53,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:10:53,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:10:53,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:10:53,530 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:10:53,530 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:10:53,530 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-12-07 10:10:53,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data/74939ce34/0651c65f3c134354b08f0ebc7d17ac67/FLAG5fde00abb [2019-12-07 10:10:53,999 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:10:54,000 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2019-12-07 10:10:54,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data/74939ce34/0651c65f3c134354b08f0ebc7d17ac67/FLAG5fde00abb [2019-12-07 10:10:54,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/data/74939ce34/0651c65f3c134354b08f0ebc7d17ac67 [2019-12-07 10:10:54,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:10:54,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:10:54,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:10:54,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:10:54,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:10:54,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d96a266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54, skipping insertion in model container [2019-12-07 10:10:54,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:10:54,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:10:54,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:10:54,208 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:10:54,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:10:54,292 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:10:54,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54 WrapperNode [2019-12-07 10:10:54,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:10:54,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:10:54,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:10:54,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:10:54,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:10:54,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:10:54,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:10:54,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:10:54,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... [2019-12-07 10:10:54,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:10:54,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:10:54,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:10:54,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:10:54,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/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 [2019-12-07 10:10:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 10:10:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:10:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 10:10:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 10:10:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:10:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:10:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 10:10:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:10:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:11:10,091 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:11:10,091 INFO L287 CfgBuilder]: Removed 46 assume(true) statements. [2019-12-07 10:11:10,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:11:10 BoogieIcfgContainer [2019-12-07 10:11:10,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:11:10,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:11:10,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:11:10,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:11:10,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:10:54" (1/3) ... [2019-12-07 10:11:10,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9a710b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:11:10, skipping insertion in model container [2019-12-07 10:11:10,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:10:54" (2/3) ... [2019-12-07 10:11:10,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9a710b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:11:10, skipping insertion in model container [2019-12-07 10:11:10,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:11:10" (3/3) ... [2019-12-07 10:11:10,098 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2019-12-07 10:11:10,107 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:11:10,113 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 10:11:10,123 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 10:11:10,140 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:11:10,140 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:11:10,140 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:11:10,140 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:11:10,141 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:11:10,141 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:11:10,141 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:11:10,141 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:11:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 10:11:10,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 10:11:10,156 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:11:10,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:11:10,157 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:11:10,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:10,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2019-12-07 10:11:10,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:11:10,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125630955] [2019-12-07 10:11:10,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/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 [2019-12-07 10:11:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:11,062 INFO L264 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:11:11,066 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:11:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:11:11,076 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:11:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:11:11,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125630955] [2019-12-07 10:11:11,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:11:11,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:11:11,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54665641] [2019-12-07 10:11:11,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:11:11,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:11:11,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:11:11,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:11:11,093 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 10:11:11,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:11:11,114 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2019-12-07 10:11:11,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:11:11,115 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2019-12-07 10:11:11,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:11:11,123 INFO L225 Difference]: With dead ends: 224 [2019-12-07 10:11:11,123 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 10:11:11,126 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:11:11,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 10:11:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 10:11:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 10:11:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2019-12-07 10:11:11,155 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2019-12-07 10:11:11,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:11:11,155 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2019-12-07 10:11:11,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:11:11,156 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2019-12-07 10:11:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:11:11,156 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:11:11,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:11:11,357 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:11:11,357 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:11:11,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:11:11,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2019-12-07 10:11:11,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:11:11,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960395952] [2019-12-07 10:11:11,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/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 [2019-12-07 10:11:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:11:12,244 INFO L264 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 10:11:12,246 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:11:12,286 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:12,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:11:12,577 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:11:14,535 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 10:11:14,537 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:15,374 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 10:11:15,376 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:11:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:11:15,397 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960395952] [2019-12-07 10:11:15,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:11:15,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2019-12-07 10:11:15,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735235177] [2019-12-07 10:11:15,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-12-07 10:11:15,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:11:15,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-12-07 10:11:15,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2019-12-07 10:11:15,400 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand 17 states. [2019-12-07 10:11:16,998 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 16 [2019-12-07 10:11:17,980 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 18 [2019-12-07 10:12:31,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:12:31,429 INFO L93 Difference]: Finished difference Result 234 states and 329 transitions. [2019-12-07 10:12:31,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 10:12:31,437 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2019-12-07 10:12:31,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:12:31,440 INFO L225 Difference]: With dead ends: 234 [2019-12-07 10:12:31,440 INFO L226 Difference]: Without dead ends: 229 [2019-12-07 10:12:31,441 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2019-12-07 10:12:31,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-12-07 10:12:31,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 119. [2019-12-07 10:12:31,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 10:12:31,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2019-12-07 10:12:31,455 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2019-12-07 10:12:31,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:12:31,456 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2019-12-07 10:12:31,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-12-07 10:12:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2019-12-07 10:12:31,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:12:31,457 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:12:31,457 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:12:31,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:12:31,658 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:12:31,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:12:31,658 INFO L82 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2019-12-07 10:12:31,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:12:31,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245652082] [2019-12-07 10:12:31,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/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 [2019-12-07 10:12:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:12:32,544 INFO L264 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 10:12:32,546 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:12:32,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:12:32,724 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:12:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:12:32,829 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:12:34,142 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-07 10:12:34,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:12:34,903 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 10:12:34,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:12:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:12:34,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245652082] [2019-12-07 10:12:34,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:12:34,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-12-07 10:12:34,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735293997] [2019-12-07 10:12:34,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 10:12:34,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:12:34,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 10:12:34,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-12-07 10:12:34,928 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 15 states. [2019-12-07 10:12:35,755 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-12-07 10:12:37,292 WARN L192 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2019-12-07 10:12:38,045 WARN L192 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2019-12-07 10:12:47,422 WARN L192 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 10:13:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:34,627 INFO L93 Difference]: Finished difference Result 235 states and 329 transitions. [2019-12-07 10:13:34,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:13:34,634 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2019-12-07 10:13:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:34,636 INFO L225 Difference]: With dead ends: 235 [2019-12-07 10:13:34,636 INFO L226 Difference]: Without dead ends: 230 [2019-12-07 10:13:34,636 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2019-12-07 10:13:34,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-12-07 10:13:34,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 124. [2019-12-07 10:13:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-12-07 10:13:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2019-12-07 10:13:34,644 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2019-12-07 10:13:34,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:34,645 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2019-12-07 10:13:34,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 10:13:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2019-12-07 10:13:34,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 10:13:34,646 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:34,646 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:34,846 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:13:34,846 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:34,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:34,847 INFO L82 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2019-12-07 10:13:34,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:13:34,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760795907] [2019-12-07 10:13:34,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/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 [2019-12-07 10:13:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:35,721 INFO L264 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 10:13:35,723 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:35,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:13:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:13:35,817 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:35,954 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:13:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:13:35,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760795907] [2019-12-07 10:13:35,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:35,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-12-07 10:13:35,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477241898] [2019-12-07 10:13:35,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 10:13:35,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:13:35,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 10:13:35,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-12-07 10:13:35,990 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 14 states. [2019-12-07 10:13:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:36,664 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2019-12-07 10:13:36,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 10:13:36,665 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2019-12-07 10:13:36,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:36,666 INFO L225 Difference]: With dead ends: 227 [2019-12-07 10:13:36,666 INFO L226 Difference]: Without dead ends: 121 [2019-12-07 10:13:36,667 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2019-12-07 10:13:36,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-12-07 10:13:36,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2019-12-07 10:13:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 10:13:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2019-12-07 10:13:36,674 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2019-12-07 10:13:36,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:36,675 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2019-12-07 10:13:36,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 10:13:36,675 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2019-12-07 10:13:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 10:13:36,675 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:13:36,675 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:13:36,876 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:13:36,876 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:13:36,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:13:36,876 INFO L82 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2019-12-07 10:13:36,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 10:13:36,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487488751] [2019-12-07 10:13:36,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/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 [2019-12-07 10:13:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:13:37,752 INFO L264 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 10:13:37,754 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:13:37,773 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:13:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:13:37,824 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:13:37,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 10:13:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:13:37,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487488751] [2019-12-07 10:13:37,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:13:37,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2019-12-07 10:13:37,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050478806] [2019-12-07 10:13:37,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 10:13:37,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 10:13:37,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 10:13:37,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:13:37,898 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand 10 states. [2019-12-07 10:13:38,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:13:38,174 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2019-12-07 10:13:38,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 10:13:38,174 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-12-07 10:13:38,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:13:38,174 INFO L225 Difference]: With dead ends: 111 [2019-12-07 10:13:38,174 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:13:38,175 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2019-12-07 10:13:38,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:13:38,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:13:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:13:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:13:38,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-12-07 10:13:38,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:13:38,175 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:13:38,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 10:13:38,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:13:38,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:13:38,376 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:13:38,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:13:38,739 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-12-07 10:13:39,626 WARN L192 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2019-12-07 10:13:39,857 WARN L192 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2019-12-07 10:13:39,859 INFO L246 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L204(lines 204 208) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L171(lines 171 180) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L204-1(lines 197 209) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L72(lines 72 97) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L72-2(lines 72 97) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L73(lines 73 76) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L73-2(lines 73 76) no Hoare annotation was computed. [2019-12-07 10:13:39,860 INFO L246 CegarLoopResult]: For program point L73-3(lines 73 76) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L73-5(lines 73 76) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L249 CegarLoopResult]: At program point L239(lines 218 240) the Hoare annotation is: true [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L74(lines 74 75) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L74-1(lines 74 75) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L143(lines 143 153) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L110(lines 110 115) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L143-2(lines 121 216) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L110-1(lines 110 115) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L144(lines 144 152) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2019-12-07 10:13:39,861 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-12-07 10:13:39,862 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 10:13:39,862 INFO L246 CegarLoopResult]: For program point L145-2(line 145) no Hoare annotation was computed. [2019-12-07 10:13:39,862 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|)) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 10:13:39,862 INFO L242 CegarLoopResult]: At program point L13-1(line 13) the Hoare annotation is: (let ((.cse2 (not |ULTIMATE.start_main_#t~short46|))) (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (or (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|)))) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse1 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse1 .cse2) (and |ULTIMATE.start_main_#t~short46| (not .cse1)))) (or (forall ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24))) (not (let ((.cse3 (fp.add currentRoundingMode ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start_main_~y~0))) (fp.eq .cse3 .cse3)))) .cse2))) [2019-12-07 10:13:39,862 INFO L242 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y)))) .cse1) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2019-12-07 10:13:39,862 INFO L246 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2019-12-07 10:13:39,862 INFO L246 CegarLoopResult]: For program point L80(lines 80 96) no Hoare annotation was computed. [2019-12-07 10:13:39,862 INFO L246 CegarLoopResult]: For program point L80-1(lines 80 96) no Hoare annotation was computed. [2019-12-07 10:13:39,862 INFO L246 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2019-12-07 10:13:39,862 INFO L246 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L114-2(line 114) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L242 CegarLoopResult]: At program point L114-3(lines 54 116) the Hoare annotation is: false [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L81-3(lines 81 87) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L114-4(line 114) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L114-6(line 114) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L242 CegarLoopResult]: At program point L114-7(lines 54 116) the Hoare annotation is: false [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L242 CegarLoopResult]: At program point L17-2(lines 17 21) the Hoare annotation is: false [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L17-5(lines 17 21) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L242 CegarLoopResult]: At program point L17-6(lines 17 21) the Hoare annotation is: false [2019-12-07 10:13:39,863 INFO L246 CegarLoopResult]: For program point L17-9(lines 17 21) no Hoare annotation was computed. [2019-12-07 10:13:39,863 INFO L242 CegarLoopResult]: At program point L17-10(lines 17 21) the Hoare annotation is: false [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L185-2(line 185) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L242 CegarLoopResult]: At program point L121(lines 121 216) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (= |ULTIMATE.start___ieee754_atan2f_#res| (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y)))) .cse1) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L22(lines 22 26) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L22-1(lines 15 28) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L22-2(lines 22 26) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L22-4(lines 15 28) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L22-5(lines 22 26) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L22-6(lines 22 26) no Hoare annotation was computed. [2019-12-07 10:13:39,864 INFO L246 CegarLoopResult]: For program point L22-7(lines 15 28) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L22-8(lines 22 26) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L188(lines 188 193) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L89(lines 89 95) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L89-2(lines 72 97) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L89-3(lines 89 95) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L89-5(lines 72 97) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L156-2(line 156) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L190(lines 190 193) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L190-2(lines 188 193) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L58-1(lines 58 62) no Hoare annotation was computed. [2019-12-07 10:13:39,865 INFO L242 CegarLoopResult]: At program point L58-2(lines 58 62) the Hoare annotation is: false [2019-12-07 10:13:39,865 INFO L246 CegarLoopResult]: For program point L58-3(lines 58 62) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point L58-5(lines 58 62) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L242 CegarLoopResult]: At program point L58-6(lines 58 62) the Hoare annotation is: false [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point L58-7(lines 58 62) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point L158(lines 158 182) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point L158-1(lines 121 216) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L242 CegarLoopResult]: At program point L125-2(lines 125 129) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point L125-3(lines 125 129) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point L159(lines 159 181) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L242 CegarLoopResult]: At program point L27(lines 15 28) the Hoare annotation is: false [2019-12-07 10:13:39,866 INFO L242 CegarLoopResult]: At program point L27-1(lines 15 28) the Hoare annotation is: false [2019-12-07 10:13:39,866 INFO L242 CegarLoopResult]: At program point L27-2(lines 15 28) the Hoare annotation is: false [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point L160(lines 160 169) no Hoare annotation was computed. [2019-12-07 10:13:39,866 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L194(lines 194 215) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L227-2(lines 227 237) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L227-4(lines 227 237) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L64(lines 64 71) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 71) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 135) no Hoare annotation was computed. [2019-12-07 10:13:39,867 INFO L242 CegarLoopResult]: At program point L131-2(lines 131 135) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|)) (.cse1 (= currentRoundingMode roundNearestTiesToEven))) (or (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) .cse0 (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0)) .cse1) (and (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse0 (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)) (not (let ((.cse2 (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)))) (fp.eq .cse2 .cse2))))) (not (let ((.cse3 (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)))) (fp.eq .cse3 .cse3))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0)) .cse1))) [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L65(lines 65 66) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 135) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 66) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 234) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L242 CegarLoopResult]: At program point L199-2(lines 199 203) the Hoare annotation is: false [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L67-1(lines 67 70) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L233(lines 233 236) no Hoare annotation was computed. [2019-12-07 10:13:39,868 INFO L246 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2019-12-07 10:13:39,876 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,880 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,881 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,881 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,882 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,882 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,886 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,887 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,893 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:13:39 BoogieIcfgContainer [2019-12-07 10:13:39,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:13:39,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:13:39,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:13:39,896 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:13:39,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:11:10" (3/4) ... [2019-12-07 10:13:39,899 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:13:39,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-07 10:13:39,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 10:13:39,912 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:13:39,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.eq~FLOAT(x, x) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 10:13:39,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == \result && !~fp.eq~FLOAT(y, y)) || (~fp.eq~FLOAT(y, y) && 0bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) [2019-12-07 10:13:39,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2019-12-07 10:13:39,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && !~fp.eq~FLOAT(~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]), ~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])))) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2019-12-07 10:13:39,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2019-12-07 10:13:39,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) [2019-12-07 10:13:39,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eb0a51f5-a72e-48fe-8911-d46c30babab6/bin/uautomizer/witness.graphml [2019-12-07 10:13:39,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:13:39,968 INFO L168 Benchmark]: Toolchain (without parser) took 165948.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 953.7 MB in the beginning and 814.9 MB in the end (delta: 138.8 MB). Peak memory consumption was 273.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:39,969 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:13:39,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:39,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:39,969 INFO L168 Benchmark]: Boogie Preprocessor took 42.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:13:39,969 INFO L168 Benchmark]: RCFGBuilder took 15713.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:39,970 INFO L168 Benchmark]: TraceAbstraction took 149802.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Free memory was 1.0 GB in the beginning and 827.5 MB in the end (delta: 213.2 MB). Peak memory consumption was 215.3 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:39,970 INFO L168 Benchmark]: Witness Printer took 71.72 ms. Allocated memory is still 1.2 GB. Free memory was 827.5 MB in the beginning and 814.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:13:39,971 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -167.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 15713.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 149802.34 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 MB). Free memory was 1.0 GB in the beginning and 827.5 MB in the end (delta: 213.2 MB). Peak memory consumption was 215.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.72 ms. Allocated memory is still 1.2 GB. Free memory was 827.5 MB in the beginning and 814.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 234]: 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: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant [2019-12-07 10:13:39,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 10:13:39,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,979 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,980 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant [2019-12-07 10:13:39,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,983 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 10:13:39,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || (((((!~fp.eq~FLOAT(x, x) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) && !~fp.eq~FLOAT(~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]), ~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])))) && !~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 10:13:39,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,984 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((1bv32 == \result && !~fp.eq~FLOAT(y, y)) || (~fp.eq~FLOAT(y, y) && 0bv32 == \result)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 10:13:39,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,985 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,985 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.eq~FLOAT(x, x) && 0bv32 == \result) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant [2019-12-07 10:13:39,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2019-12-07 10:13:39,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2019-12-07 10:13:39,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 10:13:39,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 10:13:39,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(y, y) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~y, ULTIMATE.start___ieee754_atan2f_~y) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) || ((((!~fp.eq~FLOAT(x, x) && !~fp.eq~FLOAT(\result, \result)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: SAFE, OverallTime: 148.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 136.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, HoareTripleCheckerStatistics: 666 SDtfs, 2269 SDslu, 3800 SDs, 0 SdLazy, 1185 SolverSat, 41 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 128.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, 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, 226 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 274 HoareAnnotationTreeSize, 18 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 33 QuantifiedInterpolants, 19286 SizeOfPredicates, 54 NumberOfNonLiveVariables, 564 ConjunctsInSsa, 59 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...