./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 .................................................................................................................................................................................................................................................................................... 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_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:36:48,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:36:48,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:36:48,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:36:48,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:36:48,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:36:48,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:36:48,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:36:48,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:36:48,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:36:48,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:36:48,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:36:48,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:36:48,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:36:48,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:36:48,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:36:48,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:36:48,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:36:48,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:36:48,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:36:48,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:36:48,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:36:48,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:36:48,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:36:48,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:36:48,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:36:48,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:36:48,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:36:48,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:36:48,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:36:48,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:36:48,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:36:48,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:36:48,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:36:48,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:36:48,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:36:48,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:36:48,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:36:48,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:36:48,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:36:48,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:36:48,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:36:48,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:36:48,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:36:48,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:36:48,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:36:48,503 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:36:48,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:36:48,503 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:36:48,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:36:48,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:36:48,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:36:48,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:36:48,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:36:48,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:36:48,504 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:36:48,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:36:48,504 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:36:48,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:36:48,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:36:48,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:36:48,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:36:48,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:36:48,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:36:48,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:36:48,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:36:48,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:36:48,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:36:48,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:36:48,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:36:48,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:36:48,506 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_e3baf452-e205-47e2-b329-a9e2311a0da1/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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2019-12-07 13:36:48,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:36:48,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:36:48,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:36:48,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:36:48,632 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:36:48,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-12-07 13:36:48,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data/02a1c9f0c/bd0dc4ea839846bdb4a1928b24b7069a/FLAG70d25be78 [2019-12-07 13:36:49,033 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:36:49,034 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-12-07 13:36:49,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data/02a1c9f0c/bd0dc4ea839846bdb4a1928b24b7069a/FLAG70d25be78 [2019-12-07 13:36:49,047 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data/02a1c9f0c/bd0dc4ea839846bdb4a1928b24b7069a [2019-12-07 13:36:49,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:36:49,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:36:49,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:49,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:36:49,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:36:49,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5feb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49, skipping insertion in model container [2019-12-07 13:36:49,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:36:49,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:36:49,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:49,227 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:36:49,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:49,265 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:36:49,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49 WrapperNode [2019-12-07 13:36:49,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:49,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:36:49,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:36:49,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:36:49,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:36:49,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:36:49,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:36:49,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:36:49,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... [2019-12-07 13:36:49,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:36:49,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:36:49,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:36:49,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:36:49,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:36:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:36:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 13:36:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:36:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 13:36:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:36:49,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:36:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:36:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:36:49,529 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:36:49,530 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 13:36:49,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:49 BoogieIcfgContainer [2019-12-07 13:36:49,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:36:49,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:36:49,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:36:49,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:36:49,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:36:49" (1/3) ... [2019-12-07 13:36:49,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23556329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:36:49, skipping insertion in model container [2019-12-07 13:36:49,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:49" (2/3) ... [2019-12-07 13:36:49,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23556329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:36:49, skipping insertion in model container [2019-12-07 13:36:49,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:49" (3/3) ... [2019-12-07 13:36:49,535 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2019-12-07 13:36:49,541 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:36:49,545 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:36:49,552 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:36:49,569 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:36:49,569 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:36:49,569 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:36:49,569 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:36:49,569 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:36:49,569 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:36:49,569 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:36:49,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:36:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-12-07 13:36:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 13:36:49,583 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:49,583 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:49,583 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:49,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:49,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2019-12-07 13:36:49,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:49,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963983132] [2019-12-07 13:36:49,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:49,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963983132] [2019-12-07 13:36:49,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:49,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:36:49,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200510217] [2019-12-07 13:36:49,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:36:49,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:36:49,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:36:49,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:36:49,684 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-12-07 13:36:49,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:49,696 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-12-07 13:36:49,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:36:49,697 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 13:36:49,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:49,703 INFO L225 Difference]: With dead ends: 64 [2019-12-07 13:36:49,704 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 13:36:49,706 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:36:49,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 13:36:49,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 13:36:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 13:36:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-12-07 13:36:49,728 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2019-12-07 13:36:49,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:49,729 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-12-07 13:36:49,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:36:49,729 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-12-07 13:36:49,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 13:36:49,729 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:49,729 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:49,730 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:49,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:49,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2019-12-07 13:36:49,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:36:49,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549123411] [2019-12-07 13:36:49,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:36:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:36:49,784 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:36:49,785 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:36:49,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:36:49 BoogieIcfgContainer [2019-12-07 13:36:49,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:36:49,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:36:49,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:36:49,803 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:36:49,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:49" (3/4) ... [2019-12-07 13:36:49,806 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:36:49,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:36:49,807 INFO L168 Benchmark]: Toolchain (without parser) took 757.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -78.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:49,807 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:49,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:49,808 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:49,809 INFO L168 Benchmark]: Boogie Preprocessor took 19.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:49,809 INFO L168 Benchmark]: RCFGBuilder took 216.64 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:49,810 INFO L168 Benchmark]: TraceAbstraction took 271.31 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:49,810 INFO L168 Benchmark]: Witness Printer took 2.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:49,812 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 215.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 216.64 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 271.31 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: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 97]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 30, overapproximation of bitwiseAnd at line 27. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = -1.0f / 0.0f; [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] float res = __ieee754_sqrtf(x); [L13] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L96] COND TRUE !isnan_float(res) [L97] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 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=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 13:36:51,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:36:51,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:36:51,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:36:51,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:36:51,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:36:51,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:36:51,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:36:51,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:36:51,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:36:51,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:36:51,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:36:51,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:36:51,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:36:51,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:36:51,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:36:51,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:36:51,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:36:51,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:36:51,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:36:51,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:36:51,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:36:51,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:36:51,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:36:51,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:36:51,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:36:51,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:36:51,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:36:51,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:36:51,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:36:51,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:36:51,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:36:51,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:36:51,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:36:51,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:36:51,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:36:51,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:36:51,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:36:51,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:36:51,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:36:51,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:36:51,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 13:36:51,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:36:51,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:36:51,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:36:51,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:36:51,209 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:36:51,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:36:51,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:36:51,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:36:51,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:36:51,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:36:51,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:36:51,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:36:51,211 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:36:51,211 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:36:51,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:36:51,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:36:51,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:36:51,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:36:51,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:36:51,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:36:51,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:36:51,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:36:51,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:36:51,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:36:51,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:36:51,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:36:51,213 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 13:36:51,213 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:36:51,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:36:51,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:36:51,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:36:51,213 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_e3baf452-e205-47e2-b329-a9e2311a0da1/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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2019-12-07 13:36:51,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:36:51,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:36:51,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:36:51,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:36:51,393 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:36:51,393 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-12-07 13:36:51,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data/f59055c77/85340ecfb847461dbafed77b0fe8adb8/FLAG22b9fd362 [2019-12-07 13:36:51,851 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:36:51,851 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/sv-benchmarks/c/float-newlib/float_req_bl_0740.c [2019-12-07 13:36:51,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data/f59055c77/85340ecfb847461dbafed77b0fe8adb8/FLAG22b9fd362 [2019-12-07 13:36:51,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/data/f59055c77/85340ecfb847461dbafed77b0fe8adb8 [2019-12-07 13:36:51,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:36:51,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:36:51,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:51,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:36:51,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:36:51,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:51" (1/1) ... [2019-12-07 13:36:51,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41944eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:51, skipping insertion in model container [2019-12-07 13:36:51,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:36:51" (1/1) ... [2019-12-07 13:36:51,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:36:51,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:36:52,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:52,006 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:36:52,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:36:52,075 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:36:52,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52 WrapperNode [2019-12-07 13:36:52,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:36:52,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:36:52,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:36:52,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:36:52,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:36:52,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:36:52,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:36:52,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:36:52,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... [2019-12-07 13:36:52,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:36:52,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:36:52,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:36:52,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:36:52,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:36:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:36:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 13:36:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 13:36:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:36:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:36:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 13:36:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 13:36:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:36:52,757 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:36:52,757 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 13:36:52,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:52 BoogieIcfgContainer [2019-12-07 13:36:52,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:36:52,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:36:52,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:36:52,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:36:52,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:36:51" (1/3) ... [2019-12-07 13:36:52,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a328a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:36:52, skipping insertion in model container [2019-12-07 13:36:52,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:36:52" (2/3) ... [2019-12-07 13:36:52,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a328a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:36:52, skipping insertion in model container [2019-12-07 13:36:52,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:52" (3/3) ... [2019-12-07 13:36:52,763 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740.c [2019-12-07 13:36:52,769 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:36:52,773 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:36:52,780 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:36:52,794 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:36:52,794 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:36:52,794 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:36:52,794 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:36:52,794 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:36:52,794 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:36:52,794 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:36:52,794 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:36:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-12-07 13:36:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 13:36:52,807 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:52,807 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:52,808 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:52,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:52,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2019-12-07 13:36:52,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:36:52,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46079044] [2019-12-07 13:36:52,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:36:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:52,954 INFO L264 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:36:52,957 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:52,966 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:52,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46079044] [2019-12-07 13:36:52,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:52,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:36:52,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438416889] [2019-12-07 13:36:52,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:36:52,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:36:52,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:36:52,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:36:52,982 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-12-07 13:36:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:52,995 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2019-12-07 13:36:52,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:36:52,996 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 13:36:52,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:53,002 INFO L225 Difference]: With dead ends: 64 [2019-12-07 13:36:53,002 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 13:36:53,004 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:36:53,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 13:36:53,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 13:36:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 13:36:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2019-12-07 13:36:53,028 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2019-12-07 13:36:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:53,028 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-12-07 13:36:53,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:36:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2019-12-07 13:36:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 13:36:53,029 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:53,029 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:53,229 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:36:53,230 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:53,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:53,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2019-12-07 13:36:53,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:36:53,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834633211] [2019-12-07 13:36:53,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:36:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:53,381 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 13:36:53,382 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:53,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:53,447 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:55,553 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-12-07 13:36:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:55,564 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834633211] [2019-12-07 13:36:55,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:55,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 13:36:55,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098958001] [2019-12-07 13:36:55,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 13:36:55,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:36:55,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 13:36:55,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:36:55,567 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 10 states. [2019-12-07 13:36:56,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:56,330 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2019-12-07 13:36:56,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:36:56,331 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2019-12-07 13:36:56,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:56,332 INFO L225 Difference]: With dead ends: 35 [2019-12-07 13:36:56,332 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 13:36:56,332 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-12-07 13:36:56,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 13:36:56,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-12-07 13:36:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-12-07 13:36:56,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2019-12-07 13:36:56,336 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 10 [2019-12-07 13:36:56,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:56,337 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2019-12-07 13:36:56,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 13:36:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2019-12-07 13:36:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 13:36:56,337 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:36:56,337 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:36:56,538 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:36:56,538 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:36:56,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:36:56,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1245605874, now seen corresponding path program 1 times [2019-12-07 13:36:56,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 13:36:56,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195378161] [2019-12-07 13:36:56,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 13:36:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:36:56,647 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 13:36:56,649 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:36:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:56,713 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:36:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:36:56,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195378161] [2019-12-07 13:36:56,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:36:56,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 13:36:56,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20873711] [2019-12-07 13:36:56,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:36:56,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 13:36:56,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:36:56,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:36:56,782 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand 8 states. [2019-12-07 13:36:56,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:36:56,874 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2019-12-07 13:36:56,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:36:56,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 13:36:56,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:36:56,875 INFO L225 Difference]: With dead ends: 30 [2019-12-07 13:36:56,875 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:36:56,876 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:36:56,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:36:56,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:36:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:36:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:36:56,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-12-07 13:36:56,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:36:56,877 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:36:56,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:36:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:36:56,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:36:57,078 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:36:57,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:36:57,194 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:36:57,194 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:36:57,194 INFO L242 CegarLoopResult]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-12-07 13:36:57,195 INFO L246 CegarLoopResult]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-12-07 13:36:57,195 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-12-07 13:36:57,195 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-12-07 13:36:57,195 INFO L246 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-12-07 13:36:57,195 INFO L242 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_sqrtf_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 13:36:57,195 INFO L246 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-12-07 13:36:57,196 INFO L246 CegarLoopResult]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-12-07 13:36:57,196 INFO L246 CegarLoopResult]: For program point L96(lines 96 99) no Hoare annotation was computed. [2019-12-07 13:36:57,196 INFO L246 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-12-07 13:36:57,196 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-12-07 13:36:57,196 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-12-07 13:36:57,196 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 13:36:57,196 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-12-07 13:36:57,196 INFO L246 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-12-07 13:36:57,197 INFO L242 CegarLoopResult]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-12-07 13:36:57,197 INFO L246 CegarLoopResult]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-12-07 13:36:57,197 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-12-07 13:36:57,197 INFO L246 CegarLoopResult]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-12-07 13:36:57,197 INFO L242 CegarLoopResult]: At program point L81(lines 17 82) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_sqrtf_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 13:36:57,197 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-12-07 13:36:57,198 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:36:57,198 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-12-07 13:36:57,198 INFO L246 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-12-07 13:36:57,198 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:36:57,198 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 13:36:57,198 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-12-07 13:36:57,198 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-12-07 13:36:57,198 INFO L246 CegarLoopResult]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-12-07 13:36:57,199 INFO L249 CegarLoopResult]: At program point L101(lines 84 102) the Hoare annotation is: true [2019-12-07 13:36:57,199 INFO L246 CegarLoopResult]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-12-07 13:36:57,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,209 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,220 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:36:57 BoogieIcfgContainer [2019-12-07 13:36:57,222 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:36:57,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:36:57,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:36:57,223 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:36:57,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:36:52" (3/4) ... [2019-12-07 13:36:57,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:36:57,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-07 13:36:57,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 13:36:57,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:36:57,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 13:36:57,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 13:36:57,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e3baf452-e205-47e2-b329-a9e2311a0da1/bin/uautomizer/witness.graphml [2019-12-07 13:36:57,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:36:57,280 INFO L168 Benchmark]: Toolchain (without parser) took 5413.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.7 MB in the beginning and 965.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:57,280 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:57,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:57,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:36:57,281 INFO L168 Benchmark]: Boogie Preprocessor took 24.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:57,281 INFO L168 Benchmark]: RCFGBuilder took 629.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:57,281 INFO L168 Benchmark]: TraceAbstraction took 4463.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:57,282 INFO L168 Benchmark]: Witness Printer took 56.35 ms. Allocated memory is still 1.2 GB. Free memory was 972.1 MB in the beginning and 965.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:36:57,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 629.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4463.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 111.6 MB). Peak memory consumption was 111.6 MB. Max. memory is 11.5 GB. * Witness Printer took 56.35 ms. Allocated memory is still 1.2 GB. Free memory was 972.1 MB in the beginning and 965.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2019-12-07 13:36:57,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 13]: Loop Invariant [2019-12-07 13:36:57,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((1bv32 == \result && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2019-12-07 13:36:57,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 13:36:57,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 13:36:57,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 77 SDtfs, 49 SDslu, 130 SDs, 0 SdLazy, 53 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 100 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 5 QuantifiedInterpolants, 3568 SizeOfPredicates, 17 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...