./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/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 77a01f137667344720fd98189387bfe86c106b2a ..................................................................................................................................................................................................................................................................................... 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_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/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 77a01f137667344720fd98189387bfe86c106b2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:17:15,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:17:15,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:17:15,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:17:15,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:17:15,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:17:15,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:17:15,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:17:15,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:17:15,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:17:15,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:17:15,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:17:15,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:17:15,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:17:15,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:17:15,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:17:15,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:17:15,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:17:15,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:17:15,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:17:15,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:17:15,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:17:15,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:17:15,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:17:15,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:17:15,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:17:15,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:17:15,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:17:15,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:17:15,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:17:15,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:17:15,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:17:15,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:17:15,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:17:15,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:17:15,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:17:15,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:17:15,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:17:15,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:17:15,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:17:15,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:17:15,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:17:15,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:17:15,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:17:15,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:17:15,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:17:15,242 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:17:15,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:17:15,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:17:15,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:17:15,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:17:15,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:17:15,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:17:15,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:17:15,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:17:15,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:17:15,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:17:15,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:17:15,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:17:15,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:17:15,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:17:15,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:17:15,245 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_7c19e18f-d225-4580-968f-a7f486ee0875/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2019-12-07 18:17:15,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:17:15,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:17:15,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:17:15,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:17:15,359 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:17:15,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-12-07 18:17:15,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data/96121d763/1495f73062b449d594642ee393eb14a7/FLAGcc19c8c27 [2019-12-07 18:17:15,860 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:17:15,860 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-12-07 18:17:15,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data/96121d763/1495f73062b449d594642ee393eb14a7/FLAGcc19c8c27 [2019-12-07 18:17:15,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data/96121d763/1495f73062b449d594642ee393eb14a7 [2019-12-07 18:17:15,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:17:15,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:17:15,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:17:15,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:17:15,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:17:15,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:17:15" (1/1) ... [2019-12-07 18:17:15,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d9133a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:15, skipping insertion in model container [2019-12-07 18:17:15,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:17:15" (1/1) ... [2019-12-07 18:17:15,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:17:15,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:17:16,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:17:16,089 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:17:16,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:17:16,129 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:17:16,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16 WrapperNode [2019-12-07 18:17:16,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:17:16,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:17:16,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:17:16,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:17:16,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:17:16,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:17:16,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:17:16,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:17:16,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... [2019-12-07 18:17:16,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:17:16,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:17:16,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:17:16,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:17:16,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:17:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:17:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 18:17:16,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:17:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 18:17:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:17:16,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:17:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:17:16,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:17:16,501 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:17:16,501 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 18:17:16,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:17:16 BoogieIcfgContainer [2019-12-07 18:17:16,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:17:16,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:17:16,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:17:16,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:17:16,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:17:15" (1/3) ... [2019-12-07 18:17:16,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9d748c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:17:16, skipping insertion in model container [2019-12-07 18:17:16,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:16" (2/3) ... [2019-12-07 18:17:16,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9d748c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:17:16, skipping insertion in model container [2019-12-07 18:17:16,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:17:16" (3/3) ... [2019-12-07 18:17:16,508 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2019-12-07 18:17:16,514 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:17:16,518 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:17:16,525 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:17:16,539 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:17:16,539 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:17:16,539 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:17:16,539 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:17:16,540 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:17:16,540 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:17:16,540 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:17:16,540 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:17:16,550 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-12-07 18:17:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 18:17:16,553 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:17:16,554 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:17:16,554 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:17:16,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:17:16,558 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-12-07 18:17:16,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:17:16,563 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791186523] [2019-12-07 18:17:16,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:17:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:17:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:17:16,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791186523] [2019-12-07 18:17:16,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:17:16,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:17:16,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838984810] [2019-12-07 18:17:16,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:17:16,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:17:16,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:17:16,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:17:16,653 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-12-07 18:17:16,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:17:16,667 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-12-07 18:17:16,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:17:16,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 18:17:16,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:17:16,675 INFO L225 Difference]: With dead ends: 96 [2019-12-07 18:17:16,675 INFO L226 Difference]: Without dead ends: 46 [2019-12-07 18:17:16,677 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:17:16,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-07 18:17:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-07 18:17:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 18:17:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-12-07 18:17:16,705 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-12-07 18:17:16,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:17:16,705 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-12-07 18:17:16,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:17:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-12-07 18:17:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 18:17:16,705 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:17:16,706 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:17:16,706 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:17:16,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:17:16,706 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-12-07 18:17:16,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:17:16,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702305175] [2019-12-07 18:17:16,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:17:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:17:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:17:16,764 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:17:16,764 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:17:16,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:17:16 BoogieIcfgContainer [2019-12-07 18:17:16,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:17:16,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:17:16,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:17:16,782 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:17:16,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:17:16" (3/4) ... [2019-12-07 18:17:16,785 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 18:17:16,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:17:16,786 INFO L168 Benchmark]: Toolchain (without parser) took 907.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -71.3 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:16,787 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:17:16,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:16,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:16,789 INFO L168 Benchmark]: Boogie Preprocessor took 26.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:17:16,789 INFO L168 Benchmark]: RCFGBuilder took 301.57 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:16,790 INFO L168 Benchmark]: TraceAbstraction took 278.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:16,790 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:16,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.24 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 301.57 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 278.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] double res = __ieee754_sqrt(x); [L130] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 68 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=49occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:17:18,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:17:18,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:17:18,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:17:18,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:17:18,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:17:18,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:17:18,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:17:18,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:17:18,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:17:18,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:17:18,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:17:18,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:17:18,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:17:18,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:17:18,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:17:18,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:17:18,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:17:18,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:17:18,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:17:18,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:17:18,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:17:18,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:17:18,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:17:18,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:17:18,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:17:18,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:17:18,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:17:18,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:17:18,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:17:18,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:17:18,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:17:18,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:17:18,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:17:18,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:17:18,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:17:18,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:17:18,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:17:18,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:17:18,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:17:18,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:17:18,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:17:18,209 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:17:18,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:17:18,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:17:18,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:17:18,211 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:17:18,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:17:18,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:17:18,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:17:18,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:17:18,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:17:18,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:17:18,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:17:18,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:17:18,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:17:18,213 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:17:18,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:17:18,213 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:17:18,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:17:18,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:17:18,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:17:18,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:17:18,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:17:18,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:17:18,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:17:18,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:17:18,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:17:18,215 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:17:18,216 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:17:18,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:17:18,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:17:18,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:17:18,216 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_7c19e18f-d225-4580-968f-a7f486ee0875/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2019-12-07 18:17:18,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:17:18,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:17:18,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:17:18,406 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:17:18,406 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:17:18,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-12-07 18:17:18,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data/e9be8fcec/cfb7036a34674c2390f7e5b214928be1/FLAG8fac0e648 [2019-12-07 18:17:18,878 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:17:18,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2019-12-07 18:17:18,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data/e9be8fcec/cfb7036a34674c2390f7e5b214928be1/FLAG8fac0e648 [2019-12-07 18:17:18,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/data/e9be8fcec/cfb7036a34674c2390f7e5b214928be1 [2019-12-07 18:17:18,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:17:18,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:17:18,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:17:18,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:17:18,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:17:18,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:17:18" (1/1) ... [2019-12-07 18:17:18,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4c18cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:18, skipping insertion in model container [2019-12-07 18:17:18,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:17:18" (1/1) ... [2019-12-07 18:17:18,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:17:18,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:17:19,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:17:19,047 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:17:19,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:17:19,128 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:17:19,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19 WrapperNode [2019-12-07 18:17:19,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:17:19,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:17:19,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:17:19,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:17:19,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:17:19,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:17:19,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:17:19,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:17:19,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... [2019-12-07 18:17:19,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:17:19,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:17:19,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:17:19,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:17:19,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:17:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 18:17:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 18:17:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:17:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:17:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:17:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:17:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:17:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:17:21,829 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:17:21,829 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-07 18:17:21,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:17:21 BoogieIcfgContainer [2019-12-07 18:17:21,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:17:21,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:17:21,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:17:21,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:17:21,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:17:18" (1/3) ... [2019-12-07 18:17:21,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6522d2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:17:21, skipping insertion in model container [2019-12-07 18:17:21,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:17:19" (2/3) ... [2019-12-07 18:17:21,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6522d2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:17:21, skipping insertion in model container [2019-12-07 18:17:21,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:17:21" (3/3) ... [2019-12-07 18:17:21,835 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2019-12-07 18:17:21,841 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:17:21,846 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:17:21,853 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:17:21,868 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:17:21,868 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:17:21,868 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:17:21,868 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:17:21,868 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:17:21,868 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:17:21,868 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:17:21,869 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:17:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-12-07 18:17:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 18:17:21,881 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:17:21,881 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:17:21,882 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:17:21,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:17:21,885 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2019-12-07 18:17:21,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:17:21,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218614493] [2019-12-07 18:17:21,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 18:17:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:17:22,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 18:17:22,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:17:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:17:22,212 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:17:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:17:22,215 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218614493] [2019-12-07 18:17:22,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:17:22,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:17:22,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848855734] [2019-12-07 18:17:22,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:17:22,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:17:22,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:17:22,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:17:22,230 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2019-12-07 18:17:22,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:17:22,245 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2019-12-07 18:17:22,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:17:22,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 18:17:22,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:17:22,253 INFO L225 Difference]: With dead ends: 96 [2019-12-07 18:17:22,253 INFO L226 Difference]: Without dead ends: 46 [2019-12-07 18:17:22,255 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:17:22,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-07 18:17:22,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-07 18:17:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 18:17:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2019-12-07 18:17:22,279 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2019-12-07 18:17:22,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:17:22,279 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2019-12-07 18:17:22,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:17:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2019-12-07 18:17:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 18:17:22,280 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:17:22,280 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:17:22,481 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:17:22,481 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:17:22,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:17:22,481 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2019-12-07 18:17:22,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:17:22,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250769020] [2019-12-07 18:17:22,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 18:17:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:17:22,792 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 18:17:22,793 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:17:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:17:22,873 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:17:36,440 WARN L192 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 13 [2019-12-07 18:17:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:17:36,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250769020] [2019-12-07 18:17:36,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:17:36,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 18:17:36,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179493805] [2019-12-07 18:17:36,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 18:17:36,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:17:36,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 18:17:36,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:17:36,458 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 10 states. [2019-12-07 18:17:41,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:17:41,755 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2019-12-07 18:17:41,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 18:17:41,756 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-12-07 18:17:41,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:17:41,757 INFO L225 Difference]: With dead ends: 51 [2019-12-07 18:17:41,757 INFO L226 Difference]: Without dead ends: 46 [2019-12-07 18:17:41,758 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:17:41,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-07 18:17:41,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-07 18:17:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 18:17:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2019-12-07 18:17:41,765 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 9 [2019-12-07 18:17:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:17:41,765 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2019-12-07 18:17:41,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 18:17:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2019-12-07 18:17:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:17:41,766 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:17:41,766 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:17:41,967 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:17:41,967 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:17:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:17:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236654, now seen corresponding path program 1 times [2019-12-07 18:17:41,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:17:41,970 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92104235] [2019-12-07 18:17:41,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 18:17:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:17:42,068 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 18:17:42,069 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:17:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:17:42,121 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:17:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:17:42,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92104235] [2019-12-07 18:17:42,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:17:42,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 18:17:42,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700587608] [2019-12-07 18:17:42,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 18:17:42,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:17:42,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 18:17:42,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:17:42,179 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand 6 states. [2019-12-07 18:17:42,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:17:42,231 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2019-12-07 18:17:42,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:17:42,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-12-07 18:17:42,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:17:42,231 INFO L225 Difference]: With dead ends: 46 [2019-12-07 18:17:42,232 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:17:42,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:17:42,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:17:42,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:17:42,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:17:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:17:42,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-12-07 18:17:42,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:17:42,233 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:17:42,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 18:17:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:17:42,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:17:42,434 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:17:42,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:17:42,562 INFO L242 CegarLoopResult]: At program point L126(lines 19 127) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 18:17:42,563 INFO L246 CegarLoopResult]: For program point L85(lines 85 94) no Hoare annotation was computed. [2019-12-07 18:17:42,563 INFO L246 CegarLoopResult]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2019-12-07 18:17:42,563 INFO L246 CegarLoopResult]: For program point L143(lines 143 146) no Hoare annotation was computed. [2019-12-07 18:17:42,563 INFO L246 CegarLoopResult]: For program point L44(lines 44 55) no Hoare annotation was computed. [2019-12-07 18:17:42,563 INFO L246 CegarLoopResult]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2019-12-07 18:17:42,563 INFO L246 CegarLoopResult]: For program point L102(lines 102 113) no Hoare annotation was computed. [2019-12-07 18:17:42,563 INFO L246 CegarLoopResult]: For program point L36(lines 36 41) no Hoare annotation was computed. [2019-12-07 18:17:42,564 INFO L242 CegarLoopResult]: At program point L69-2(lines 69 79) the Hoare annotation is: false [2019-12-07 18:17:42,564 INFO L246 CegarLoopResult]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2019-12-07 18:17:42,564 INFO L246 CegarLoopResult]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2019-12-07 18:17:42,564 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:17:42,564 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:17:42,564 INFO L246 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2019-12-07 18:17:42,564 INFO L242 CegarLoopResult]: At program point L45-2(lines 45 49) the Hoare annotation is: false [2019-12-07 18:17:42,564 INFO L246 CegarLoopResult]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2019-12-07 18:17:42,565 INFO L246 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2019-12-07 18:17:42,565 INFO L246 CegarLoopResult]: For program point L87(lines 87 88) no Hoare annotation was computed. [2019-12-07 18:17:42,565 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2019-12-07 18:17:42,565 INFO L242 CegarLoopResult]: At program point L120-2(lines 120 125) the Hoare annotation is: false [2019-12-07 18:17:42,565 INFO L246 CegarLoopResult]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2019-12-07 18:17:42,565 INFO L246 CegarLoopResult]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2019-12-07 18:17:42,565 INFO L246 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-12-07 18:17:42,565 INFO L246 CegarLoopResult]: For program point L71(lines 71 75) no Hoare annotation was computed. [2019-12-07 18:17:42,566 INFO L246 CegarLoopResult]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2019-12-07 18:17:42,566 INFO L246 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2019-12-07 18:17:42,566 INFO L242 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-12-07 18:17:42,566 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:17:42,566 INFO L246 CegarLoopResult]: For program point L90(lines 90 91) no Hoare annotation was computed. [2019-12-07 18:17:42,566 INFO L246 CegarLoopResult]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2019-12-07 18:17:42,567 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2019-12-07 18:17:42,567 INFO L249 CegarLoopResult]: At program point L148(lines 132 149) the Hoare annotation is: true [2019-12-07 18:17:42,567 INFO L242 CegarLoopResult]: At program point L82-2(lines 82 98) the Hoare annotation is: false [2019-12-07 18:17:42,567 INFO L246 CegarLoopResult]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2019-12-07 18:17:42,567 INFO L246 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-12-07 18:17:42,567 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:17:42,567 INFO L246 CegarLoopResult]: For program point L58(lines 58 61) no Hoare annotation was computed. [2019-12-07 18:17:42,567 INFO L246 CegarLoopResult]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2019-12-07 18:17:42,568 INFO L246 CegarLoopResult]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2019-12-07 18:17:42,568 INFO L242 CegarLoopResult]: At program point L25-2(lines 25 30) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_sqrt_~x))) [2019-12-07 18:17:42,568 INFO L246 CegarLoopResult]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2019-12-07 18:17:42,568 INFO L246 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2019-12-07 18:17:42,568 INFO L242 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2019-12-07 18:17:42,568 INFO L246 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2019-12-07 18:17:42,568 INFO L246 CegarLoopResult]: For program point L108(lines 108 109) no Hoare annotation was computed. [2019-12-07 18:17:42,569 INFO L246 CegarLoopResult]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2019-12-07 18:17:42,569 INFO L246 CegarLoopResult]: For program point L100(lines 100 114) no Hoare annotation was computed. [2019-12-07 18:17:42,569 INFO L246 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-12-07 18:17:42,569 INFO L246 CegarLoopResult]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2019-12-07 18:17:42,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 18:17:42,578 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 18:17:42,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 18:17:42,581 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 18:17:42,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:17:42 BoogieIcfgContainer [2019-12-07 18:17:42,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:17:42,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:17:42,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:17:42,592 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:17:42,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:17:21" (3/4) ... [2019-12-07 18:17:42,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:17:42,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-07 18:17:42,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 18:17:42,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:17:42,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-12-07 18:17:42,622 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 18:17:42,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2019-12-07 18:17:42,651 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7c19e18f-d225-4580-968f-a7f486ee0875/bin/uautomizer/witness.graphml [2019-12-07 18:17:42,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:17:42,653 INFO L168 Benchmark]: Toolchain (without parser) took 23758.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 953.7 MB in the beginning and 965.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 120.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:42,653 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:17:42,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:42,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:17:42,654 INFO L168 Benchmark]: Boogie Preprocessor took 27.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:42,655 INFO L168 Benchmark]: RCFGBuilder took 2642.56 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:42,655 INFO L168 Benchmark]: TraceAbstraction took 20761.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.8 MB in the end (delta: 109.6 MB). Peak memory consumption was 109.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:42,655 INFO L168 Benchmark]: Witness Printer took 59.91 ms. Allocated memory is still 1.2 GB. Free memory was 971.8 MB in the beginning and 965.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:17:42,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.11 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 27.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2642.56 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20761.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.8 MB in the end (delta: 109.6 MB). Peak memory consumption was 109.6 MB. Max. memory is 11.5 GB. * Witness Printer took 59.91 ms. Allocated memory is still 1.2 GB. Free memory was 971.8 MB in the beginning and 965.1 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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 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 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 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 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: 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: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2019-12-07 18:17:42,661 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 18:17:42,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 18:17:42,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 18:17:42,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 18:17:42,662 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 130]: Loop Invariant [2019-12-07 18:17:42,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2019-12-07 18:17:42,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 18:17:42,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,669 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 18:17:42,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 20.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 127 SDtfs, 72 SDslu, 225 SDs, 0 SdLazy, 49 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 103 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 4 QuantifiedInterpolants, 2790 SizeOfPredicates, 16 NumberOfNonLiveVariables, 97 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...