./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/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 dbf0066fcab2564f09db3071e2285821ebfe13e2 ................................................................................................................................................................................................................................................................................................................ 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_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/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 dbf0066fcab2564f09db3071e2285821ebfe13e2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:22:58,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:22:58,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:22:58,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:22:58,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:22:58,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:22:58,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:22:58,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:22:58,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:22:58,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:22:58,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:22:58,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:22:58,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:22:58,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:22:58,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:22:58,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:22:58,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:22:58,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:22:58,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:22:58,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:22:58,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:22:58,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:22:58,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:22:58,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:22:58,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:22:58,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:22:58,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:22:58,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:22:58,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:22:58,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:22:58,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:22:58,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:22:58,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:22:58,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:22:58,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:22:58,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:22:58,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:22:58,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:22:58,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:22:58,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:22:58,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:22:58,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:22:58,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:22:58,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:22:58,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:22:58,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:22:58,937 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:22:58,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:22:58,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:22:58,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:22:58,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:22:58,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:22:58,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:22:58,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:22:58,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:22:58,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:22:58,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:22:58,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:22:58,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:22:58,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:22:58,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:22:58,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:22:58,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:22:58,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:22:58,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:22:58,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:22:58,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:22:58,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:22:58,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:22:58,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:22:58,943 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_c08b5699-adff-47f6-9945-3da92dc61305/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 -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-11-15 23:22:58,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:22:58,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:22:58,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:22:58,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:22:58,994 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:22:58,995 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-15 23:22:59,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data/94bb3deca/6cebebb2edb5497196d6eebbd2be05a8/FLAGba84b261e [2019-11-15 23:22:59,522 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:22:59,529 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-15 23:22:59,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data/94bb3deca/6cebebb2edb5497196d6eebbd2be05a8/FLAGba84b261e [2019-11-15 23:22:59,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data/94bb3deca/6cebebb2edb5497196d6eebbd2be05a8 [2019-11-15 23:22:59,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:22:59,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:22:59,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:22:59,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:22:59,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:22:59,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:22:59" (1/1) ... [2019-11-15 23:22:59,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cca7bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:22:59, skipping insertion in model container [2019-11-15 23:22:59,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:22:59" (1/1) ... [2019-11-15 23:22:59,907 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:22:59,937 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:23:00,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:23:00,277 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:23:00,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:23:00,418 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:23:00,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00 WrapperNode [2019-11-15 23:23:00,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:23:00,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:23:00,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:23:00,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:23:00,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:23:00,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:23:00,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:23:00,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:23:00,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... [2019-11-15 23:23:00,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:23:00,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:23:00,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:23:00,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:23:00,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:23:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:23:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 23:23:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:23:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 23:23:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:23:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:23:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:23:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:23:01,417 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:23:01,418 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-15 23:23:01,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:23:01 BoogieIcfgContainer [2019-11-15 23:23:01,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:23:01,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:23:01,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:23:01,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:23:01,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:22:59" (1/3) ... [2019-11-15 23:23:01,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e91e79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:23:01, skipping insertion in model container [2019-11-15 23:23:01,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:00" (2/3) ... [2019-11-15 23:23:01,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e91e79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:23:01, skipping insertion in model container [2019-11-15 23:23:01,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:23:01" (3/3) ... [2019-11-15 23:23:01,428 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-11-15 23:23:01,439 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:23:01,447 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:23:01,460 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:23:01,498 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:23:01,499 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:23:01,499 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:23:01,499 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:23:01,499 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:23:01,499 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:23:01,500 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:23:01,500 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:23:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-15 23:23:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 23:23:01,527 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:01,527 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:01,530 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:01,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:01,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-11-15 23:23:01,545 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:23:01,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372052862] [2019-11-15 23:23:01,546 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:01,546 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:01,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:23:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:01,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372052862] [2019-11-15 23:23:01,687 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:23:01,687 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:23:01,687 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073409171] [2019-11-15 23:23:01,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:23:01,692 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:23:01,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:23:01,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:23:01,704 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-15 23:23:01,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:23:01,728 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-11-15 23:23:01,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:23:01,729 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-15 23:23:01,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:23:01,742 INFO L225 Difference]: With dead ends: 140 [2019-11-15 23:23:01,742 INFO L226 Difference]: Without dead ends: 68 [2019-11-15 23:23:01,746 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:23:01,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-15 23:23:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-15 23:23:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-15 23:23:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-11-15 23:23:01,792 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-11-15 23:23:01,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:23:01,793 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-11-15 23:23:01,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:23:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-15 23:23:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:23:01,794 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:01,794 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:01,794 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:01,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:01,795 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-11-15 23:23:01,795 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:23:01,795 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995647246] [2019-11-15 23:23:01,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:01,796 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:23:01,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:23:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:23:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:23:01,896 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:23:01,896 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 23:23:01,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:23:01 BoogieIcfgContainer [2019-11-15 23:23:01,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:23:01,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:23:01,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:23:01,940 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:23:01,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:23:01" (3/4) ... [2019-11-15 23:23:01,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:23:01,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:23:01,947 INFO L168 Benchmark]: Toolchain (without parser) took 2064.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -105.4 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:01,948 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:23:01,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:01,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:01,950 INFO L168 Benchmark]: Boogie Preprocessor took 58.61 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:01,951 INFO L168 Benchmark]: RCFGBuilder took 869.54 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:01,952 INFO L168 Benchmark]: TraceAbstraction took 518.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:01,953 INFO L168 Benchmark]: Witness Printer took 5.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:23:01,957 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.61 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 869.54 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 518.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 240]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 148, overapproximation of bitwiseAnd at line 166, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 239. Possible FailurePath: [L16] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L156] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L235] double x = 0.0; [L159] double t, w, p, q, c, r, s; [L160] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L162] ieee_double_shape_type gh_u; [L163] gh_u.value = (x) [L164] EXPR gh_u.parts.msw [L164] (hx) = gh_u.parts.msw [L166] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L178] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L179] COND FALSE !(ix < 0x3e400000) [L183] t = x * x [L184-L187] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L188-L189] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L190] w = p / q [L191] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] double res = __ieee754_asin(x); [L239] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 97 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=71occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 23:23:04,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:23:04,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:23:04,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:23:04,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:23:04,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:23:04,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:23:04,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:23:04,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:23:04,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:23:04,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:23:04,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:23:04,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:23:04,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:23:04,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:23:04,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:23:04,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:23:04,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:23:04,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:23:04,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:23:04,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:23:04,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:23:04,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:23:04,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:23:04,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:23:04,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:23:04,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:23:04,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:23:04,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:23:04,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:23:04,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:23:04,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:23:04,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:23:04,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:23:04,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:23:04,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:23:04,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:23:04,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:23:04,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:23:04,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:23:04,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:23:04,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:23:04,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:23:04,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:23:04,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:23:04,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:23:04,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:23:04,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:23:04,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:23:04,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:23:04,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:23:04,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:23:04,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:23:04,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:23:04,709 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:23:04,709 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:23:04,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:23:04,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:23:04,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:23:04,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:23:04,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:23:04,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:23:04,710 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:23:04,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:23:04,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:23:04,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:23:04,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:23:04,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:23:04,712 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:23:04,712 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:23:04,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:23:04,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:23:04,712 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_c08b5699-adff-47f6-9945-3da92dc61305/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 -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-11-15 23:23:04,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:23:04,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:23:04,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:23:04,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:23:04,781 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:23:04,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-15 23:23:04,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data/fce36daf0/fdd5a4ea6e464d70a3d94931a3133103/FLAG0bc832845 [2019-11-15 23:23:05,326 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:23:05,326 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-11-15 23:23:05,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data/fce36daf0/fdd5a4ea6e464d70a3d94931a3133103/FLAG0bc832845 [2019-11-15 23:23:05,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/data/fce36daf0/fdd5a4ea6e464d70a3d94931a3133103 [2019-11-15 23:23:05,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:23:05,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:23:05,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:23:05,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:23:05,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:23:05,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:23:05" (1/1) ... [2019-11-15 23:23:05,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69752ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:05, skipping insertion in model container [2019-11-15 23:23:05,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:23:05" (1/1) ... [2019-11-15 23:23:05,688 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:23:05,724 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:23:05,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:23:05,996 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:23:06,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:23:06,225 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:23:06,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06 WrapperNode [2019-11-15 23:23:06,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:23:06,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:23:06,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:23:06,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:23:06,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:23:06,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:23:06,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:23:06,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:23:06,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... [2019-11-15 23:23:06,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:23:06,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:23:06,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:23:06,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:23:06,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:23:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-15 23:23:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-15 23:23:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:23:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 23:23:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:23:06,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:23:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 23:23:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:23:27,438 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:23:27,438 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-15 23:23:27,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:23:27 BoogieIcfgContainer [2019-11-15 23:23:27,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:23:27,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:23:27,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:23:27,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:23:27,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:23:05" (1/3) ... [2019-11-15 23:23:27,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe2087a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:23:27, skipping insertion in model container [2019-11-15 23:23:27,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:23:06" (2/3) ... [2019-11-15 23:23:27,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe2087a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:23:27, skipping insertion in model container [2019-11-15 23:23:27,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:23:27" (3/3) ... [2019-11-15 23:23:27,449 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-11-15 23:23:27,460 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:23:27,481 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:23:27,493 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:23:27,519 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:23:27,519 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:23:27,519 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:23:27,519 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:23:27,520 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:23:27,520 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:23:27,520 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:23:27,520 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:23:27,535 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-15 23:23:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 23:23:27,541 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:27,542 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:27,544 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:27,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:27,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-11-15 23:23:27,560 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:23:27,560 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242220318] [2019-11-15 23:23:27,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-15 23:23:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:28,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 23:23:28,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:23:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:28,455 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:23:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:28,460 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242220318] [2019-11-15 23:23:28,460 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:23:28,461 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 23:23:28,461 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312226968] [2019-11-15 23:23:28,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:23:28,465 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:23:28,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:23:28,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:23:28,479 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-15 23:23:28,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:23:28,510 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-11-15 23:23:28,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:23:28,513 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-15 23:23:28,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:23:28,530 INFO L225 Difference]: With dead ends: 140 [2019-11-15 23:23:28,530 INFO L226 Difference]: Without dead ends: 68 [2019-11-15 23:23:28,534 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:23:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-15 23:23:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-15 23:23:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-15 23:23:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-11-15 23:23:28,575 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-11-15 23:23:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:23:28,576 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-11-15 23:23:28,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:23:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-11-15 23:23:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:23:28,577 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:28,577 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:28,800 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 23:23:28,801 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:28,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:28,801 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-11-15 23:23:28,802 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:23:28,802 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209882488] [2019-11-15 23:23:28,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-15 23:23:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:34,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 23:23:34,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:23:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:34,713 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:23:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:34,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209882488] [2019-11-15 23:23:34,834 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:23:34,834 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 23:23:34,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847870501] [2019-11-15 23:23:34,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:23:34,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:23:34,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:23:34,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:23:34,838 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2019-11-15 23:23:36,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:23:36,545 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2019-11-15 23:23:36,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:23:36,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-15 23:23:36,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:23:36,548 INFO L225 Difference]: With dead ends: 124 [2019-11-15 23:23:36,548 INFO L226 Difference]: Without dead ends: 65 [2019-11-15 23:23:36,550 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:23:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-15 23:23:36,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-15 23:23:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-15 23:23:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2019-11-15 23:23:36,565 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2019-11-15 23:23:36,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:23:36,566 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2019-11-15 23:23:36,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:23:36,566 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2019-11-15 23:23:36,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-15 23:23:36,567 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:36,567 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:36,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 23:23:36,793 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:36,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:36,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2019-11-15 23:23:36,794 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:23:36,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [467911568] [2019-11-15 23:23:36,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-15 23:23:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:37,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 23:23:37,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:23:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:37,180 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:23:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:37,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [467911568] [2019-11-15 23:23:37,279 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:23:37,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 23:23:37,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181257541] [2019-11-15 23:23:37,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:23:37,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:23:37,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:23:37,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:23:37,281 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2019-11-15 23:23:37,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:23:37,721 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2019-11-15 23:23:37,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:23:37,722 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-15 23:23:37,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:23:37,724 INFO L225 Difference]: With dead ends: 69 [2019-11-15 23:23:37,727 INFO L226 Difference]: Without dead ends: 65 [2019-11-15 23:23:37,728 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:23:37,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-15 23:23:37,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-15 23:23:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-15 23:23:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2019-11-15 23:23:37,754 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2019-11-15 23:23:37,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:23:37,754 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2019-11-15 23:23:37,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:23:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2019-11-15 23:23:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 23:23:37,758 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:23:37,758 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:23:37,982 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 23:23:37,982 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:23:37,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:23:37,983 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2019-11-15 23:23:37,984 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:23:37,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928833334] [2019-11-15 23:23:37,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-15 23:23:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:23:46,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 23:23:46,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:23:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:46,255 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:23:47,207 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-15 23:23:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:23:47,483 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928833334] [2019-11-15 23:23:47,484 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:23:47,484 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-15 23:23:47,484 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603234106] [2019-11-15 23:23:47,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:23:47,485 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:23:47,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:23:47,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:23:47,486 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2019-11-15 23:23:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:23:47,586 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2019-11-15 23:23:47,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:23:47,589 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-11-15 23:23:47,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:23:47,589 INFO L225 Difference]: With dead ends: 65 [2019-11-15 23:23:47,590 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:23:47,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:23:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:23:47,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:23:47,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:23:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:23:47,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-11-15 23:23:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:23:47,592 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:23:47,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:23:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:23:47,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:23:47,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-15 23:23:47,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:23:48,004 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 86) no Hoare annotation was computed. [2019-11-15 23:23:48,004 INFO L443 ceAbstractionStarter]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2019-11-15 23:23:48,005 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 73) no Hoare annotation was computed. [2019-11-15 23:23:48,005 INFO L443 ceAbstractionStarter]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2019-11-15 23:23:48,005 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:23:48,005 INFO L443 ceAbstractionStarter]: For program point L169-1(lines 169 173) no Hoare annotation was computed. [2019-11-15 23:23:48,005 INFO L439 ceAbstractionStarter]: At program point L169-2(lines 169 173) the Hoare annotation is: false [2019-11-15 23:23:48,005 INFO L443 ceAbstractionStarter]: For program point L169-3(lines 167 178) no Hoare annotation was computed. [2019-11-15 23:23:48,005 INFO L443 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-11-15 23:23:48,006 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 109) no Hoare annotation was computed. [2019-11-15 23:23:48,006 INFO L443 ceAbstractionStarter]: For program point L88(lines 88 89) no Hoare annotation was computed. [2019-11-15 23:23:48,006 INFO L443 ceAbstractionStarter]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2019-11-15 23:23:48,006 INFO L443 ceAbstractionStarter]: For program point L204(lines 204 220) no Hoare annotation was computed. [2019-11-15 23:23:48,006 INFO L443 ceAbstractionStarter]: For program point L204-2(lines 158 225) no Hoare annotation was computed. [2019-11-15 23:23:48,006 INFO L443 ceAbstractionStarter]: For program point L105(lines 105 106) no Hoare annotation was computed. [2019-11-15 23:23:48,006 INFO L443 ceAbstractionStarter]: For program point L105-2(lines 105 106) no Hoare annotation was computed. [2019-11-15 23:23:48,007 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 59) no Hoare annotation was computed. [2019-11-15 23:23:48,007 INFO L443 ceAbstractionStarter]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2019-11-15 23:23:48,007 INFO L439 ceAbstractionStarter]: At program point L139(lines 126 140) the Hoare annotation is: false [2019-11-15 23:23:48,007 INFO L439 ceAbstractionStarter]: At program point L123(lines 18 124) the Hoare annotation is: false [2019-11-15 23:23:48,007 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2019-11-15 23:23:48,007 INFO L439 ceAbstractionStarter]: At program point L24-2(lines 24 29) the Hoare annotation is: false [2019-11-15 23:23:48,008 INFO L443 ceAbstractionStarter]: For program point L24-3(lines 18 124) no Hoare annotation was computed. [2019-11-15 23:23:48,008 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 242) no Hoare annotation was computed. [2019-11-15 23:23:48,008 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:23:48,008 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-11-15 23:23:48,008 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 53) no Hoare annotation was computed. [2019-11-15 23:23:48,008 INFO L443 ceAbstractionStarter]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2019-11-15 23:23:48,009 INFO L439 ceAbstractionStarter]: At program point L224(lines 158 225) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ULTIMATE.start___ieee754_asin_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3))))) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~x~0 |ULTIMATE.start___ieee754_asin_#res|) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)))) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53))) [2019-11-15 23:23:48,009 INFO L439 ceAbstractionStarter]: At program point L43-2(lines 43 47) the Hoare annotation is: false [2019-11-15 23:23:48,009 INFO L443 ceAbstractionStarter]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2019-11-15 23:23:48,009 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2019-11-15 23:23:48,010 INFO L443 ceAbstractionStarter]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2019-11-15 23:23:48,010 INFO L439 ceAbstractionStarter]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2019-11-15 23:23:48,010 INFO L443 ceAbstractionStarter]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2019-11-15 23:23:48,010 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:23:48,010 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-11-15 23:23:48,010 INFO L439 ceAbstractionStarter]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) ~one_asin~0)) [2019-11-15 23:23:48,011 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-11-15 23:23:48,011 INFO L443 ceAbstractionStarter]: For program point L161-3(lines 161 165) no Hoare annotation was computed. [2019-11-15 23:23:48,011 INFO L439 ceAbstractionStarter]: At program point L128-2(lines 128 132) the Hoare annotation is: false [2019-11-15 23:23:48,011 INFO L446 ceAbstractionStarter]: At program point L244(lines 227 245) the Hoare annotation is: true [2019-11-15 23:23:48,011 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 193) no Hoare annotation was computed. [2019-11-15 23:23:48,011 INFO L443 ceAbstractionStarter]: For program point L178-1(lines 178 193) no Hoare annotation was computed. [2019-11-15 23:23:48,012 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 192) no Hoare annotation was computed. [2019-11-15 23:23:48,012 INFO L439 ceAbstractionStarter]: At program point L80-2(lines 80 96) the Hoare annotation is: false [2019-11-15 23:23:48,012 INFO L443 ceAbstractionStarter]: For program point L80-3(lines 18 124) no Hoare annotation was computed. [2019-11-15 23:23:48,012 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 111) no Hoare annotation was computed. [2019-11-15 23:23:48,012 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-11-15 23:23:48,012 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 115) no Hoare annotation was computed. [2019-11-15 23:23:48,012 INFO L443 ceAbstractionStarter]: For program point L114-2(lines 114 115) no Hoare annotation was computed. [2019-11-15 23:23:48,013 INFO L443 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-11-15 23:23:48,013 INFO L439 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-11-15 23:23:48,013 INFO L443 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-11-15 23:23:48,013 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:23:48,013 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 110) no Hoare annotation was computed. [2019-11-15 23:23:48,013 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 92) no Hoare annotation was computed. [2019-11-15 23:23:48,014 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2019-11-15 23:23:48,014 INFO L443 ceAbstractionStarter]: For program point L133(lines 133 138) no Hoare annotation was computed. [2019-11-15 23:23:48,014 INFO L443 ceAbstractionStarter]: For program point L133-1(lines 126 140) no Hoare annotation was computed. [2019-11-15 23:23:48,014 INFO L443 ceAbstractionStarter]: For program point L133-2(lines 133 138) no Hoare annotation was computed. [2019-11-15 23:23:48,014 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 39) no Hoare annotation was computed. [2019-11-15 23:23:48,014 INFO L439 ceAbstractionStarter]: At program point L67-2(lines 67 77) the Hoare annotation is: false [2019-11-15 23:23:48,015 INFO L443 ceAbstractionStarter]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2019-11-15 23:23:48,015 INFO L443 ceAbstractionStarter]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2019-11-15 23:23:48,015 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2019-11-15 23:23:48,015 INFO L439 ceAbstractionStarter]: At program point L117-2(lines 117 122) the Hoare annotation is: false [2019-11-15 23:23:48,015 INFO L443 ceAbstractionStarter]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2019-11-15 23:23:48,015 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 193) no Hoare annotation was computed. [2019-11-15 23:23:48,015 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-11-15 23:23:48,016 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-15 23:23:48,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:23:48,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:23:48,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:23:48,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:23:48,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,034 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,034 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,034 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:23:48 BoogieIcfgContainer [2019-11-15 23:23:48,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:23:48,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:23:48,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:23:48,044 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:23:48,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:23:27" (3/4) ... [2019-11-15 23:23:48,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:23:48,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 23:23:48,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-15 23:23:48,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() [2019-11-15 23:23:48,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c08b5699-adff-47f6-9945-3da92dc61305/bin/uautomizer/witness.graphml [2019-11-15 23:23:48,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:23:48,132 INFO L168 Benchmark]: Toolchain (without parser) took 42462.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 951.0 MB in the beginning and 892.3 MB in the end (delta: 58.7 MB). Peak memory consumption was 171.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:48,132 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:23:48,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:48,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:48,134 INFO L168 Benchmark]: Boogie Preprocessor took 62.79 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:48,134 INFO L168 Benchmark]: RCFGBuilder took 21069.72 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: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:48,135 INFO L168 Benchmark]: TraceAbstraction took 20601.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 899.1 MB in the end (delta: 145.5 MB). Peak memory consumption was 145.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:48,135 INFO L168 Benchmark]: Witness Printer took 87.29 ms. Allocated memory is still 1.1 GB. Free memory was 899.1 MB in the beginning and 892.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:23:48,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 555.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.79 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 21069.72 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: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20601.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 899.1 MB in the end (delta: 145.5 MB). Peak memory consumption was 145.5 MB. Max. memory is 11.5 GB. * Witness Printer took 87.29 ms. Allocated memory is still 1.1 GB. Free memory was 899.1 MB in the beginning and 892.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 240]: 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: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant [2019-11-15 23:23:48,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:23:48,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:23:48,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 23:23:48,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~Pluszero~LONGDOUBLE() == x && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_asin) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) == one_asin - InvariantResult [Line: 158]: Loop Invariant [2019-11-15 23:23:48,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-11-15 23:23:48,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: SAFE, OverallTime: 20.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 258 SDtfs, 565 SDslu, 238 SDs, 0 SdLazy, 42 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 71 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 13.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 7751 SizeOfPredicates, 16 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...