./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................... 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_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:07:33,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:07:33,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:07:33,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:07:33,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:07:33,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:07:33,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:07:33,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:07:33,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:07:33,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:07:33,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:07:33,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:07:33,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:07:33,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:07:33,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:07:33,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:07:33,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:07:33,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:07:33,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:07:33,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:07:33,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:07:33,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:07:33,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:07:33,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:07:33,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:07:33,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:07:33,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:07:33,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:07:33,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:07:33,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:07:33,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:07:33,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:07:33,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:07:33,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:07:33,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:07:33,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:07:33,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:07:33,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:07:33,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:07:33,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:07:33,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:07:33,228 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:07:33,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:07:33,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:07:33,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:07:33,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:07:33,246 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:07:33,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:07:33,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:07:33,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:07:33,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:07:33,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:07:33,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:07:33,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:07:33,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:07:33,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:07:33,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:07:33,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:07:33,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:07:33,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:07:33,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:07:33,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:07:33,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:07:33,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:07:33,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:07:33,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:07:33,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:07:33,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:07:33,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:07:33,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:07:33,252 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_66bde3ca-8fdc-4530-a629-ce63889c777f/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2019-11-15 22:07:33,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:07:33,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:07:33,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:07:33,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:07:33,296 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:07:33,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-11-15 22:07:33,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data/483947a06/e3957cca44704390b235cd12d4ee952f/FLAGc3145c195 [2019-11-15 22:07:33,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:07:33,732 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-11-15 22:07:33,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data/483947a06/e3957cca44704390b235cd12d4ee952f/FLAGc3145c195 [2019-11-15 22:07:34,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data/483947a06/e3957cca44704390b235cd12d4ee952f [2019-11-15 22:07:34,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:07:34,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:07:34,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:07:34,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:07:34,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:07:34,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fcd496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34, skipping insertion in model container [2019-11-15 22:07:34,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,129 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:07:34,152 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:07:34,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:07:34,426 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:07:34,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:07:34,510 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:07:34,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34 WrapperNode [2019-11-15 22:07:34,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:07:34,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:07:34,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:07:34,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:07:34,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:07:34,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:07:34,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:07:34,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:07:34,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... [2019-11-15 22:07:34,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:07:34,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:07:34,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:07:34,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:07:34,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 [2019-11-15 22:07:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:07:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 22:07:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:07:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 22:07:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:07:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:07:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:07:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:07:35,233 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:07:35,233 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-15 22:07:35,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:35 BoogieIcfgContainer [2019-11-15 22:07:35,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:07:35,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:07:35,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:07:35,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:07:35,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:07:34" (1/3) ... [2019-11-15 22:07:35,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b3abee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:07:35, skipping insertion in model container [2019-11-15 22:07:35,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:34" (2/3) ... [2019-11-15 22:07:35,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b3abee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:07:35, skipping insertion in model container [2019-11-15 22:07:35,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:35" (3/3) ... [2019-11-15 22:07:35,247 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2019-11-15 22:07:35,263 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:07:35,273 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:07:35,288 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:07:35,327 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:07:35,327 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:07:35,327 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:07:35,327 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:07:35,328 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:07:35,328 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:07:35,328 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:07:35,328 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:07:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-15 22:07:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 22:07:35,360 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:07:35,361 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:07:35,365 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:07:35,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:35,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-15 22:07:35,381 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:07:35,382 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086623886] [2019-11-15 22:07:35,382 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:35,382 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:35,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:07:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:07:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:35,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086623886] [2019-11-15 22:07:35,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:07:35,534 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:07:35,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623241436] [2019-11-15 22:07:35,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:07:35,539 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:07:35,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:07:35,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:07:35,558 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-15 22:07:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:07:35,583 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-15 22:07:35,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:07:35,585 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 22:07:35,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:07:35,598 INFO L225 Difference]: With dead ends: 118 [2019-11-15 22:07:35,598 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 22:07:35,602 INFO L600 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 [2019-11-15 22:07:35,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 22:07:35,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 22:07:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 22:07:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-15 22:07:35,646 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-15 22:07:35,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:07:35,646 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-15 22:07:35,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:07:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-15 22:07:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:07:35,648 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:07:35,648 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:07:35,648 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:07:35,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:35,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-15 22:07:35,649 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:07:35,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863707837] [2019-11-15 22:07:35,650 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:35,650 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:35,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:07:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:07:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:07:35,738 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:07:35,738 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 22:07:35,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:07:35 BoogieIcfgContainer [2019-11-15 22:07:35,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:07:35,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:07:35,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:07:35,775 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:07:35,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:35" (3/4) ... [2019-11-15 22:07:35,779 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:07:35,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:07:35,782 INFO L168 Benchmark]: Toolchain (without parser) took 1672.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -114.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:35,783 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:07:35,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:35,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.83 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. [2019-11-15 22:07:35,784 INFO L168 Benchmark]: Boogie Preprocessor took 52.27 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:35,785 INFO L168 Benchmark]: RCFGBuilder took 615.75 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:35,786 INFO L168 Benchmark]: TraceAbstraction took 539.11 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:35,786 INFO L168 Benchmark]: Witness Printer took 5.03 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. [2019-11-15 22:07:35,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.83 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. * Boogie Preprocessor took 52.27 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 615.75 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 539.11 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.03 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = -0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 78 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=60occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 0.1.24-cad4683 [2019-11-15 22:07:38,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:07:38,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:07:38,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:07:38,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:07:38,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:07:38,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:07:38,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:07:38,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:07:38,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:07:38,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:07:38,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:07:38,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:07:38,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:07:38,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:07:38,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:07:38,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:07:38,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:07:38,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:07:38,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:07:38,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:07:38,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:07:38,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:07:38,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:07:38,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:07:38,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:07:38,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:07:38,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:07:38,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:07:38,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:07:38,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:07:38,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:07:38,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:07:38,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:07:38,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:07:38,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:07:38,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:07:38,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:07:38,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:07:38,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:07:38,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:07:38,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 22:07:38,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:07:38,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:07:38,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:07:38,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:07:38,129 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:07:38,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:07:38,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:07:38,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:07:38,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:07:38,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:07:38,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:07:38,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:07:38,139 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 22:07:38,139 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 22:07:38,139 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:07:38,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:07:38,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:07:38,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:07:38,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:07:38,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:07:38,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:07:38,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:07:38,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:07:38,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:07:38,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:07:38,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:07:38,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 22:07:38,144 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 22:07:38,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:07:38,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 22:07:38,144 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_66bde3ca-8fdc-4530-a629-ce63889c777f/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2019-11-15 22:07:38,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:07:38,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:07:38,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:07:38,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:07:38,219 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:07:38,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-11-15 22:07:38,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data/76e8f957b/52ad4ce7695848509ffee2310d063aa9/FLAG56ea287aa [2019-11-15 22:07:38,710 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:07:38,711 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/sv-benchmarks/c/float-newlib/float_req_bl_0270a.c [2019-11-15 22:07:38,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data/76e8f957b/52ad4ce7695848509ffee2310d063aa9/FLAG56ea287aa [2019-11-15 22:07:39,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/data/76e8f957b/52ad4ce7695848509ffee2310d063aa9 [2019-11-15 22:07:39,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:07:39,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:07:39,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:07:39,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:07:39,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:07:39,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134378d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39, skipping insertion in model container [2019-11-15 22:07:39,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,131 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:07:39,157 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:07:39,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:07:39,369 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:07:39,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:07:39,518 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:07:39,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39 WrapperNode [2019-11-15 22:07:39,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:07:39,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:07:39,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:07:39,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:07:39,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:07:39,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:07:39,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:07:39,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:07:39,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... [2019-11-15 22:07:39,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:07:39,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:07:39,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:07:39,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:07:39,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 [2019-11-15 22:07:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:07:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 22:07:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 22:07:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:07:39,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:07:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 22:07:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 22:07:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:07:48,757 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:07:48,757 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-11-15 22:07:48,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:48 BoogieIcfgContainer [2019-11-15 22:07:48,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:07:48,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:07:48,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:07:48,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:07:48,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:07:39" (1/3) ... [2019-11-15 22:07:48,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad65c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:07:48, skipping insertion in model container [2019-11-15 22:07:48,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:39" (2/3) ... [2019-11-15 22:07:48,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad65c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:07:48, skipping insertion in model container [2019-11-15 22:07:48,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:48" (3/3) ... [2019-11-15 22:07:48,775 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2019-11-15 22:07:48,786 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:07:48,800 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:07:48,812 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:07:48,850 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:07:48,850 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:07:48,850 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:07:48,850 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:07:48,851 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:07:48,851 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:07:48,851 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:07:48,852 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:07:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-11-15 22:07:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 22:07:48,879 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:07:48,880 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:07:48,884 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:07:48,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:48,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-11-15 22:07:48,908 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:07:48,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914733672] [2019-11-15 22:07:48,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 [2019-11-15 22:07:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:07:49,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 22:07:49,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:07:49,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:49,195 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:07:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:49,200 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914733672] [2019-11-15 22:07:49,201 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:07:49,201 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 22:07:49,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351130861] [2019-11-15 22:07:49,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 22:07:49,205 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:07:49,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 22:07:49,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:07:49,219 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-11-15 22:07:49,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:07:49,246 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-11-15 22:07:49,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 22:07:49,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 22:07:49,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:07:49,261 INFO L225 Difference]: With dead ends: 118 [2019-11-15 22:07:49,261 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 22:07:49,265 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 22:07:49,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 22:07:49,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 22:07:49,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 22:07:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-11-15 22:07:49,305 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-11-15 22:07:49,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:07:49,306 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-11-15 22:07:49,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 22:07:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-15 22:07:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 22:07:49,307 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:07:49,307 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:07:49,522 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 22:07:49,522 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:07:49,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:49,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-11-15 22:07:49,523 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:07:49,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536669706] [2019-11-15 22:07:49,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 [2019-11-15 22:07:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:07:49,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 22:07:49,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:07:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:49,834 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:07:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:49,917 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536669706] [2019-11-15 22:07:49,917 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:07:49,917 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 22:07:49,917 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862720742] [2019-11-15 22:07:49,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:07:49,920 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:07:49,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:07:49,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:07:49,921 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2019-11-15 22:07:51,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:07:51,003 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-11-15 22:07:51,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:07:51,004 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-15 22:07:51,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:07:51,005 INFO L225 Difference]: With dead ends: 104 [2019-11-15 22:07:51,006 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 22:07:51,007 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:07:51,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 22:07:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 22:07:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 22:07:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-11-15 22:07:51,017 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-11-15 22:07:51,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:07:51,017 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-11-15 22:07:51,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:07:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-11-15 22:07:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-15 22:07:51,018 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:07:51,019 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:07:51,226 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 22:07:51,226 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:07:51,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:51,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-11-15 22:07:51,227 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:07:51,227 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848939629] [2019-11-15 22:07:51,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 [2019-11-15 22:07:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:07:51,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-15 22:07:51,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:07:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:51,403 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:07:51,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:07:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:51,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848939629] [2019-11-15 22:07:51,453 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:07:51,453 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-15 22:07:51,454 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540576589] [2019-11-15 22:07:51,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:07:51,454 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:07:51,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:07:51,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:07:51,455 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2019-11-15 22:07:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:07:51,707 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-11-15 22:07:51,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:07:51,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-11-15 22:07:51,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:07:51,710 INFO L225 Difference]: With dead ends: 69 [2019-11-15 22:07:51,710 INFO L226 Difference]: Without dead ends: 66 [2019-11-15 22:07:51,711 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-15 22:07:51,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-15 22:07:51,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-11-15 22:07:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-15 22:07:51,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-11-15 22:07:51,730 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-11-15 22:07:51,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:07:51,731 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-11-15 22:07:51,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:07:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-11-15 22:07:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-15 22:07:51,733 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:07:51,733 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:07:51,955 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 22:07:51,956 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:07:51,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:51,956 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-11-15 22:07:51,956 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:07:51,957 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567023533] [2019-11-15 22:07:51,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 [2019-11-15 22:07:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:07:52,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-15 22:07:52,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:07:52,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:07:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:52,199 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:07:52,201 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 22:07:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:52,482 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567023533] [2019-11-15 22:07:52,483 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:07:52,483 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-11-15 22:07:52,483 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311716399] [2019-11-15 22:07:52,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-15 22:07:52,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:07:52,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-15 22:07:52,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-11-15 22:07:52,489 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2019-11-15 22:07:52,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:07:52,982 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-11-15 22:07:52,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-15 22:07:52,983 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-15 22:07:52,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:07:52,984 INFO L225 Difference]: With dead ends: 66 [2019-11-15 22:07:52,984 INFO L226 Difference]: Without dead ends: 57 [2019-11-15 22:07:52,985 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2019-11-15 22:07:52,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-15 22:07:52,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-15 22:07:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-15 22:07:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-11-15 22:07:52,993 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-11-15 22:07:52,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:07:52,993 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-11-15 22:07:52,993 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-15 22:07:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-11-15 22:07:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:07:52,995 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:07:52,995 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:07:53,202 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 22:07:53,202 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:07:53,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:53,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-11-15 22:07:53,203 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 22:07:53,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928884303] [2019-11-15 22:07:53,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/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 [2019-11-15 22:07:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:07:54,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 22:07:54,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:07:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:55,007 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 22:07:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:55,499 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928884303] [2019-11-15 22:07:55,499 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:07:55,499 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-15 22:07:55,499 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897647955] [2019-11-15 22:07:55,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:07:55,500 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 22:07:55,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:07:55,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:07:55,501 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2019-11-15 22:07:55,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:07:55,559 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-11-15 22:07:55,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:07:55,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 22:07:55,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:07:55,561 INFO L225 Difference]: With dead ends: 57 [2019-11-15 22:07:55,561 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:07:55,562 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:07:55,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:07:55,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:07:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:07:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:07:55,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-15 22:07:55,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:07:55,563 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:07:55,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:07:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:07:55,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:07:55,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-15 22:07:55,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:07:55,956 INFO L443 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-15 22:07:55,956 INFO L439 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-15 22:07:55,956 INFO L443 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-11-15 22:07:55,956 INFO L443 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-11-15 22:07:55,957 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-11-15 22:07:55,957 INFO L443 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-11-15 22:07:55,957 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:07:55,957 INFO L446 ceAbstractionStarter]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-11-15 22:07:55,957 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-11-15 22:07:55,957 INFO L439 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0) (= ULTIMATE.start___ieee754_asinf_~x (fp.neg (_ +zero 8 24))) (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) [2019-11-15 22:07:55,957 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-15 22:07:55,957 INFO L443 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-11-15 22:07:55,958 INFO L439 ceAbstractionStarter]: At program point L21(lines 12 22) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) .cse0) (= (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start___signbit_float_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-11-15 22:07:55,958 INFO L443 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-11-15 22:07:55,958 INFO L439 ceAbstractionStarter]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-11-15 22:07:55,958 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-11-15 22:07:55,958 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-11-15 22:07:55,958 INFO L439 ceAbstractionStarter]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-11-15 22:07:55,958 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-11-15 22:07:55,958 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L443 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L443 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:07:55,959 INFO L439 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-11-15 22:07:55,959 INFO L439 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L439 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L439 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-11-15 22:07:55,960 INFO L443 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-15 22:07:55,961 INFO L443 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-11-15 22:07:55,961 INFO L439 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-15 22:07:55,961 INFO L439 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= ULTIMATE.start_main_~res~0 .cse0) |ULTIMATE.start_main_#t~short21| (= ULTIMATE.start___signbit_float_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-11-15 22:07:55,961 INFO L443 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-15 22:07:55,961 INFO L443 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-11-15 22:07:55,961 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-11-15 22:07:55,961 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-11-15 22:07:55,961 INFO L443 ceAbstractionStarter]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-11-15 22:07:55,971 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-11-15 22:07:55,971 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:07:55,971 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-15 22:07:55,971 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-11-15 22:07:55,971 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-11-15 22:07:55,972 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-11-15 22:07:55,973 INFO L443 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-11-15 22:07:55,973 INFO L439 ceAbstractionStarter]: At program point L182(lines 117 183) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg (_ +zero 8 24))))))) [2019-11-15 22:07:55,973 INFO L443 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-11-15 22:07:55,974 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-11-15 22:07:55,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:55,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:55,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:55,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:55,994 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:55,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:55,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:55,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,001 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:07:56 BoogieIcfgContainer [2019-11-15 22:07:56,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:07:56,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:07:56,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:07:56,026 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:07:56,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:48" (3/4) ... [2019-11-15 22:07:56,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:07:56,051 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-15 22:07:56,051 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-15 22:07:56,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-11-15 22:07:56,083 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-11-15 22:07:56,084 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2019-11-15 22:07:56,141 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_66bde3ca-8fdc-4530-a629-ce63889c777f/bin/uautomizer/witness.graphml [2019-11-15 22:07:56,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:07:56,143 INFO L168 Benchmark]: Toolchain (without parser) took 17027.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 953.7 MB in the beginning and 814.0 MB in the end (delta: 139.7 MB). Peak memory consumption was 235.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:56,144 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:07:56,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:56,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.17 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:56,145 INFO L168 Benchmark]: Boogie Preprocessor took 46.82 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. [2019-11-15 22:07:56,145 INFO L168 Benchmark]: RCFGBuilder took 9124.74 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: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:56,146 INFO L168 Benchmark]: TraceAbstraction took 7265.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 820.8 MB in the end (delta: 213.5 MB). Peak memory consumption was 213.5 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:56,146 INFO L168 Benchmark]: Witness Printer took 115.36 ms. Allocated memory is still 1.1 GB. Free memory was 820.8 MB in the beginning and 814.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:56,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.17 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.82 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 9124.74 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: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7265.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 820.8 MB in the end (delta: 213.5 MB). Peak memory consumption was 213.5 MB. Max. memory is 11.5 GB. * Witness Printer took 115.36 ms. Allocated memory is still 1.1 GB. Free memory was 820.8 MB in the beginning and 814.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~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 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 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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-11-15 22:07:56,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 117]: Loop Invariant [2019-11-15 22:07:56,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 120]: Loop Invariant [2019-11-15 22:07:56,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,174 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 22:07:56,174 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-11-15 22:07:56,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,180 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 22:07:56,184 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && res == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && aux-res == -0.0f && __signbit_float(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 7.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 267 SDtfs, 518 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 169 HoareAnnotationTreeSize, 13 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 15493 SizeOfPredicates, 27 NumberOfNonLiveVariables, 308 ConjunctsInSsa, 36 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! Received shutdown request...