./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.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_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 e244339627025cb250c22854e0eaa32467bc4188 ............................................................................................................................................................................................................................................................................................ 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_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 e244339627025cb250c22854e0eaa32467bc4188 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:02:29,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:02:29,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:02:29,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:02:29,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:02:29,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:02:29,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:02:29,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:02:29,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:02:29,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:02:29,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:02:29,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:02:29,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:02:29,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:02:29,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:02:29,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:02:29,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:02:29,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:02:29,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:02:29,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:02:29,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:02:29,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:02:29,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:02:29,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:02:29,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:02:29,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:02:29,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:02:29,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:02:29,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:02:29,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:02:29,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:02:29,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:02:29,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:02:29,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:02:29,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:02:29,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:02:29,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:02:29,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:02:29,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:02:29,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:02:29,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:02:29,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:02:29,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:02:29,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:02:29,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:02:29,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:02:29,685 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:02:29,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:02:29,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:02:29,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:02:29,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:02:29,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:02:29,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:02:29,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:02:29,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:02:29,687 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:02:29,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:02:29,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:02:29,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:02:29,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:02:29,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:02:29,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:02:29,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:02:29,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:02:29,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:02:29,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:02:29,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:02:29,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:02:29,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:02:29,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:02:29,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:02:29,689 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_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-12-07 14:02:29,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:02:29,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:02:29,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:02:29,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:02:29,798 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:02:29,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-12-07 14:02:29,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data/21cc3d4c3/eb0532732a3c446191ff477d3f6c75a8/FLAG149c41c2a [2019-12-07 14:02:30,323 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:02:30,324 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-12-07 14:02:30,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data/21cc3d4c3/eb0532732a3c446191ff477d3f6c75a8/FLAG149c41c2a [2019-12-07 14:02:30,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data/21cc3d4c3/eb0532732a3c446191ff477d3f6c75a8 [2019-12-07 14:02:30,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:02:30,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:02:30,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:02:30,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:02:30,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:02:30,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b32c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30, skipping insertion in model container [2019-12-07 14:02:30,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:02:30,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:02:30,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:02:30,535 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:02:30,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:02:30,579 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:02:30,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30 WrapperNode [2019-12-07 14:02:30,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:02:30,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:02:30,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:02:30,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:02:30,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:02:30,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:02:30,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:02:30,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:02:30,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... [2019-12-07 14:02:30,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:02:30,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:02:30,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:02:30,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:02:30,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 14:02:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:02:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 14:02:30,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:02:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 14:02:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:02:30,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:02:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:02:30,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:02:30,962 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:02:30,962 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 14:02:30,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:02:30 BoogieIcfgContainer [2019-12-07 14:02:30,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:02:30,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:02:30,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:02:30,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:02:30,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:02:30" (1/3) ... [2019-12-07 14:02:30,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181c1ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:02:30, skipping insertion in model container [2019-12-07 14:02:30,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:30" (2/3) ... [2019-12-07 14:02:30,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@181c1ef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:02:30, skipping insertion in model container [2019-12-07 14:02:30,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:02:30" (3/3) ... [2019-12-07 14:02:30,967 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2019-12-07 14:02:30,973 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:02:30,978 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:02:30,985 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:02:31,000 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:02:31,001 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:02:31,001 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:02:31,001 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:02:31,001 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:02:31,001 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:02:31,001 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:02:31,001 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:02:31,012 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-12-07 14:02:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 14:02:31,015 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:02:31,016 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:02:31,016 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:02:31,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:02:31,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-12-07 14:02:31,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:02:31,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601316134] [2019-12-07 14:02:31,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:02:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:02:31,106 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 14:02:31,106 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601316134] [2019-12-07 14:02:31,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:02:31,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:02:31,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112736904] [2019-12-07 14:02:31,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:02:31,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:02:31,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:02:31,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:02:31,120 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-12-07 14:02:31,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:02:31,135 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-12-07 14:02:31,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:02:31,136 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 14:02:31,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:02:31,143 INFO L225 Difference]: With dead ends: 118 [2019-12-07 14:02:31,143 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 14:02:31,145 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 14:02:31,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 14:02:31,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 14:02:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 14:02:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-12-07 14:02:31,170 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-12-07 14:02:31,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:02:31,170 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-12-07 14:02:31,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:02:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-12-07 14:02:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:02:31,170 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:02:31,170 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:02:31,171 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:02:31,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:02:31,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-12-07 14:02:31,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:02:31,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081928285] [2019-12-07 14:02:31,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:02:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:02:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:02:31,222 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:02:31,222 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:02:31,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:02:31 BoogieIcfgContainer [2019-12-07 14:02:31,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:02:31,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:02:31,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:02:31,245 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:02:31,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:02:30" (3/4) ... [2019-12-07 14:02:31,247 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:02:31,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:02:31,249 INFO L168 Benchmark]: Toolchain (without parser) took 908.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 942.4 MB in the beginning and 1.0 GB in the end (delta: -87.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:31,249 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:02:31,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:31,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.44 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 14:02:31,250 INFO L168 Benchmark]: Boogie Preprocessor took 26.99 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 14:02:31,251 INFO L168 Benchmark]: RCFGBuilder took 318.89 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:31,251 INFO L168 Benchmark]: TraceAbstraction took 281.01 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:31,251 INFO L168 Benchmark]: Witness Printer took 2.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:02:31,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -154.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.44 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. * Boogie Preprocessor took 26.99 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. * RCFGBuilder took 318.89 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 281.01 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:02:32,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:02:32,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:02:32,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:02:32,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:02:32,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:02:32,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:02:32,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:02:32,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:02:32,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:02:32,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:02:32,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:02:32,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:02:32,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:02:32,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:02:32,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:02:32,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:02:32,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:02:32,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:02:32,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:02:32,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:02:32,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:02:32,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:02:32,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:02:32,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:02:32,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:02:32,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:02:32,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:02:32,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:02:32,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:02:32,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:02:32,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:02:32,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:02:32,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:02:32,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:02:32,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:02:32,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:02:32,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:02:32,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:02:32,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:02:32,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:02:32,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 14:02:32,655 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:02:32,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:02:32,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:02:32,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:02:32,656 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:02:32,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:02:32,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:02:32,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:02:32,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:02:32,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:02:32,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:02:32,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:02:32,657 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:02:32,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:02:32,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:02:32,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:02:32,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:02:32,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:02:32,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:02:32,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:02:32,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:02:32,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:02:32,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:02:32,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:02:32,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:02:32,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:02:32,659 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:02:32,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:02:32,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:02:32,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:02:32,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:02:32,660 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_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2019-12-07 14:02:32,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:02:32,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:02:32,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:02:32,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:02:32,835 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:02:32,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-12-07 14:02:32,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data/a0eadf5a3/27e5a507d465434a993540e6f30e0c9d/FLAG3ac389cd6 [2019-12-07 14:02:33,202 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:02:33,202 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/sv-benchmarks/c/float-newlib/float_req_bl_0270b.c [2019-12-07 14:02:33,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data/a0eadf5a3/27e5a507d465434a993540e6f30e0c9d/FLAG3ac389cd6 [2019-12-07 14:02:33,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/data/a0eadf5a3/27e5a507d465434a993540e6f30e0c9d [2019-12-07 14:02:33,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:02:33,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:02:33,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:02:33,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:02:33,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:02:33,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb84b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33, skipping insertion in model container [2019-12-07 14:02:33,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:02:33,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:02:33,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:02:33,386 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:02:33,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:02:33,474 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:02:33,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33 WrapperNode [2019-12-07 14:02:33,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:02:33,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:02:33,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:02:33,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:02:33,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:02:33,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:02:33,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:02:33,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:02:33,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... [2019-12-07 14:02:33,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:02:33,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:02:33,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:02:33,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:02:33,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 14:02:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:02:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 14:02:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 14:02:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:02:33,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:02:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 14:02:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 14:02:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:02:44,348 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:02:44,349 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 14:02:44,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:02:44 BoogieIcfgContainer [2019-12-07 14:02:44,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:02:44,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:02:44,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:02:44,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:02:44,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:02:33" (1/3) ... [2019-12-07 14:02:44,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c4dae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:02:44, skipping insertion in model container [2019-12-07 14:02:44,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:02:33" (2/3) ... [2019-12-07 14:02:44,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c4dae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:02:44, skipping insertion in model container [2019-12-07 14:02:44,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:02:44" (3/3) ... [2019-12-07 14:02:44,355 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b.c [2019-12-07 14:02:44,362 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:02:44,367 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:02:44,375 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:02:44,390 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:02:44,391 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:02:44,391 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:02:44,391 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:02:44,391 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:02:44,391 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:02:44,391 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:02:44,391 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:02:44,401 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2019-12-07 14:02:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 14:02:44,405 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:02:44,405 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:02:44,406 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:02:44,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:02:44,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2019-12-07 14:02:44,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:02:44,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742937822] [2019-12-07 14:02:44,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 14:02:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:02:44,936 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:02:44,940 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:02:44,950 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 14:02:44,950 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:02:44,953 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 14:02:44,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742937822] [2019-12-07 14:02:44,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:02:44,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:02:44,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880742027] [2019-12-07 14:02:44,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:02:44,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:02:44,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:02:44,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:02:44,970 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2019-12-07 14:02:44,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:02:44,988 INFO L93 Difference]: Finished difference Result 118 states and 192 transitions. [2019-12-07 14:02:44,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:02:44,989 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 14:02:44,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:02:44,997 INFO L225 Difference]: With dead ends: 118 [2019-12-07 14:02:44,997 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 14:02:45,000 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:02:45,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 14:02:45,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 14:02:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 14:02:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2019-12-07 14:02:45,028 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2019-12-07 14:02:45,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:02:45,028 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2019-12-07 14:02:45,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:02:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-12-07 14:02:45,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:02:45,029 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:02:45,029 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:02:45,230 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:02:45,231 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:02:45,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:02:45,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2019-12-07 14:02:45,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:02:45,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880432296] [2019-12-07 14:02:45,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 14:02:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:02:45,782 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 14:02:45,784 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:02:45,841 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 14:02:45,841 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:02:45,901 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 14:02:45,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880432296] [2019-12-07 14:02:45,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:02:45,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 14:02:45,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864430320] [2019-12-07 14:02:45,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 14:02:45,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:02:45,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 14:02:45,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:02:45,905 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2019-12-07 14:02:47,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:02:47,108 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2019-12-07 14:02:47,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:02:47,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-12-07 14:02:47,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:02:47,110 INFO L225 Difference]: With dead ends: 104 [2019-12-07 14:02:47,110 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 14:02:47,111 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:02:47,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 14:02:47,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 14:02:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 14:02:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2019-12-07 14:02:47,120 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2019-12-07 14:02:47,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:02:47,120 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2019-12-07 14:02:47,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 14:02:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2019-12-07 14:02:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 14:02:47,121 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:02:47,121 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:02:47,322 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:02:47,323 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:02:47,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:02:47,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2019-12-07 14:02:47,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:02:47,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544676423] [2019-12-07 14:02:47,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/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 14:02:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:02:47,763 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:02:47,765 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:02:47,795 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 14:02:47,796 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:02:47,797 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:02:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:02:47,823 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544676423] [2019-12-07 14:02:47,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:02:47,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-12-07 14:02:47,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483343749] [2019-12-07 14:02:47,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 14:02:47,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:02:47,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:02:47,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:02:47,825 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2019-12-07 14:02:47,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:02:47,978 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2019-12-07 14:02:47,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:02:47,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-12-07 14:02:47,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:02:47,979 INFO L225 Difference]: With dead ends: 69 [2019-12-07 14:02:47,979 INFO L226 Difference]: Without dead ends: 66 [2019-12-07 14:02:47,980 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:02:47,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-12-07 14:02:47,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2019-12-07 14:02:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 14:02:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2019-12-07 14:02:47,986 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2019-12-07 14:02:47,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:02:47,986 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2019-12-07 14:02:47,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 14:02:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2019-12-07 14:02:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 14:02:47,987 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:02:47,987 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:02:48,188 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:02:48,188 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:02:48,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:02:48,189 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2019-12-07 14:02:48,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:02:48,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40972560] [2019-12-07 14:02:48,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 14:02:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:02:48,647 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 14:02:48,649 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:02:48,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:02:48,715 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 14:02:48,715 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:02:48,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:02:48,845 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 14:02:48,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40972560] [2019-12-07 14:02:48,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:02:48,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-12-07 14:02:48,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61479655] [2019-12-07 14:02:48,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 14:02:48,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:02:48,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 14:02:48,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-12-07 14:02:48,848 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2019-12-07 14:02:49,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:02:49,186 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2019-12-07 14:02:49,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 14:02:49,187 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-12-07 14:02:49,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:02:49,187 INFO L225 Difference]: With dead ends: 66 [2019-12-07 14:02:49,188 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 14:02:49,188 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2019-12-07 14:02:49,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 14:02:49,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 14:02:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 14:02:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2019-12-07 14:02:49,193 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2019-12-07 14:02:49,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:02:49,193 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2019-12-07 14:02:49,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 14:02:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2019-12-07 14:02:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 14:02:49,194 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:02:49,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:02:49,394 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 14:02:49,395 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:02:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:02:49,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2019-12-07 14:02:49,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:02:49,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278689337] [2019-12-07 14:02:49,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 14:02:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:02:51,378 INFO L264 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 14:02:51,380 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:02:51,450 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 14:02:51,450 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:02:51,759 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 14:02:51,864 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 14:02:51,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278689337] [2019-12-07 14:02:51,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:02:51,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 14:02:51,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064922638] [2019-12-07 14:02:51,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 14:02:51,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:02:51,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 14:02:51,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:02:51,865 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2019-12-07 14:02:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:02:51,897 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2019-12-07 14:02:51,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:02:51,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 14:02:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:02:51,899 INFO L225 Difference]: With dead ends: 57 [2019-12-07 14:02:51,899 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:02:51,899 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 14:02:51,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:02:51,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:02:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:02:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:02:51,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-12-07 14:02:51,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:02:51,900 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:02:51,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 14:02:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:02:51,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:02:52,100 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 14:02:52,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:02:52,243 INFO L246 CegarLoopResult]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-12-07 14:02:52,244 INFO L242 CegarLoopResult]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-12-07 14:02:52,244 INFO L246 CegarLoopResult]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2019-12-07 14:02:52,244 INFO L246 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-12-07 14:02:52,244 INFO L246 CegarLoopResult]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2019-12-07 14:02:52,244 INFO L246 CegarLoopResult]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2019-12-07 14:02:52,244 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:02:52,244 INFO L249 CegarLoopResult]: At program point L202(lines 185 203) the Hoare annotation is: true [2019-12-07 14:02:52,244 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2019-12-07 14:02:52,244 INFO L242 CegarLoopResult]: At program point L120-2(lines 120 124) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_asin~0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)) ~huge_asin~0)) [2019-12-07 14:02:52,244 INFO L246 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-12-07 14:02:52,244 INFO L246 CegarLoopResult]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L242 CegarLoopResult]: At program point L21(lines 12 22) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L242 CegarLoopResult]: At program point L104(lines 92 105) the Hoare annotation is: false [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L38(lines 38 39) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L73(lines 73 82) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L242 CegarLoopResult]: At program point L90(lines 26 91) the Hoare annotation is: false [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L41(lines 41 42) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L157(lines 157 178) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L126(lines 126 146) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-12-07 14:02:52,245 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L242 CegarLoopResult]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-12-07 14:02:52,246 INFO L242 CegarLoopResult]: At program point L62-2(lines 62 71) the Hoare annotation is: false [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L47(lines 47 51) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L242 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L242 CegarLoopResult]: At program point L31-2(lines 31 35) the Hoare annotation is: false [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L246 CegarLoopResult]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-12-07 14:02:52,246 INFO L242 CegarLoopResult]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-12-07 14:02:52,247 INFO L242 CegarLoopResult]: At program point L15-2(lines 15 19) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= (_ +zero 8 24) ULTIMATE.start_main_~res~0) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= (_ +zero 8 24) ULTIMATE.start___signbit_float_~x) |ULTIMATE.start_main_#t~short21| (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L131(lines 131 146) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L197-2(lines 197 200) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 146) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-12-07 14:02:52,247 INFO L246 CegarLoopResult]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-12-07 14:02:52,248 INFO L242 CegarLoopResult]: At program point L182(lines 117 183) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (_ +zero 8 24) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))) (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= ULTIMATE.start___ieee754_asinf_~x (_ +zero 8 24)) (= |ULTIMATE.start___ieee754_asinf_#res| (_ +zero 8 24))) [2019-12-07 14:02:52,248 INFO L246 CegarLoopResult]: For program point L133(lines 133 134) no Hoare annotation was computed. [2019-12-07 14:02:52,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:02:52,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:02:52,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:02:52 BoogieIcfgContainer [2019-12-07 14:02:52,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:02:52,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:02:52,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:02:52,267 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:02:52,268 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:02:44" (3/4) ... [2019-12-07 14:02:52,270 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:02:52,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 14:02:52,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 14:02:52,279 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:02:52,297 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() [2019-12-07 14:02:52,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() [2019-12-07 14:02:52,298 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() [2019-12-07 14:02:52,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b9a3ba1-93b3-418f-b197-2bd38d0d43e1/bin/uautomizer/witness.graphml [2019-12-07 14:02:52,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:02:52,324 INFO L168 Benchmark]: Toolchain (without parser) took 19105.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 953.7 MB in the beginning and 838.4 MB in the end (delta: 115.3 MB). Peak memory consumption was 250.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:52,325 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:02:52,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:52,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.13 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:52,325 INFO L168 Benchmark]: Boogie Preprocessor took 31.32 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 14:02:52,326 INFO L168 Benchmark]: RCFGBuilder took 10806.22 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: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:52,326 INFO L168 Benchmark]: TraceAbstraction took 7916.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.3 MB in the end (delta: 224.2 MB). Peak memory consumption was 224.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:52,326 INFO L168 Benchmark]: Witness Printer took 56.16 ms. Allocated memory is still 1.2 GB. Free memory was 845.3 MB in the beginning and 838.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:02:52,328 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.13 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 10806.22 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: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7916.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 845.3 MB in the end (delta: 224.2 MB). Peak memory consumption was 224.2 MB. Max. memory is 11.5 GB. * Witness Printer took 56.16 ms. Allocated memory is still 1.2 GB. Free memory was 845.3 MB in the beginning and 838.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant [2019-12-07 14:02:52,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && \result == 0bv32) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 117]: Loop Invariant [2019-12-07 14:02:52,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 120]: Loop Invariant [2019-12-07 14:02:52,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:02:52,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:02:52,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:02:52,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((x == ~Pluszero~LONGDOUBLE() && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) == huge_asin - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2019-12-07 14:02:52,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-12-07 14:02:52,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1))) && ~Pluszero~LONGDOUBLE() == res) && x == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 267 SDtfs, 518 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 152 HoareAnnotationTreeSize, 13 FomulaSimplifications, 78 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 15289 SizeOfPredicates, 28 NumberOfNonLiveVariables, 318 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...