./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ....................................................................................................................................................................................................................................................................................................... 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_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:26:43,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:26:43,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:26:43,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:26:43,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:26:43,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:26:43,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:26:43,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:26:43,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:26:43,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:26:43,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:26:43,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:26:43,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:26:43,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:26:43,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:26:43,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:26:43,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:26:43,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:26:43,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:26:43,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:26:43,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:26:43,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:26:43,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:26:43,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:26:43,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:26:43,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:26:43,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:26:43,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:26:43,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:26:43,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:26:43,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:26:43,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:26:43,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:26:43,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:26:43,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:26:43,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:26:43,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:26:43,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:26:43,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:26:43,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:26:43,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:26:43,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:26:43,678 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:26:43,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:26:43,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:26:43,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:26:43,680 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:26:43,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:26:43,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:26:43,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:26:43,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:26:43,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:26:43,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:26:43,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:26:43,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:26:43,682 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:26:43,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:26:43,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:26:43,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:26:43,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:26:43,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:26:43,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:26:43,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:26:43,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:26:43,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:26:43,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:26:43,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:26:43,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:26:43,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:26:43,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:26:43,686 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_8882cdd8-6d80-4056-969d-99dbb4d95bcb/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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2019-11-19 23:26:43,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:26:43,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:26:43,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:26:43,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:26:43,886 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:26:43,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2019-11-19 23:26:43,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data/9076f4b30/e61b7808073d476fae5bc08f9b53fcf0/FLAG208f4496d [2019-11-19 23:26:44,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:26:44,414 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2019-11-19 23:26:44,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data/9076f4b30/e61b7808073d476fae5bc08f9b53fcf0/FLAG208f4496d [2019-11-19 23:26:44,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data/9076f4b30/e61b7808073d476fae5bc08f9b53fcf0 [2019-11-19 23:26:44,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:26:44,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:26:44,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:26:44,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:26:44,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:26:44,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:26:44" (1/1) ... [2019-11-19 23:26:44,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a16b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:44, skipping insertion in model container [2019-11-19 23:26:44,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:26:44" (1/1) ... [2019-11-19 23:26:44,834 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:26:44,859 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:26:45,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:26:45,274 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:26:45,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:26:45,343 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:26:45,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45 WrapperNode [2019-11-19 23:26:45,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:26:45,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:26:45,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:26:45,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:26:45,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:26:45,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:26:45,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:26:45,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:26:45,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... [2019-11-19 23:26:45,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:26:45,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:26:45,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:26:45,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:26:45,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:26:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:26:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 23:26:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 23:26:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 23:26:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:26:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:26:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 23:26:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-19 23:26:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:26:45,954 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:26:45,954 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-19 23:26:45,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:26:45 BoogieIcfgContainer [2019-11-19 23:26:45,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:26:45,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:26:45,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:26:45,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:26:45,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:26:44" (1/3) ... [2019-11-19 23:26:45,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6f104d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:26:45, skipping insertion in model container [2019-11-19 23:26:45,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:45" (2/3) ... [2019-11-19 23:26:45,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6f104d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:26:45, skipping insertion in model container [2019-11-19 23:26:45,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:26:45" (3/3) ... [2019-11-19 23:26:45,965 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a.c [2019-11-19 23:26:45,975 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:26:45,983 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:26:45,995 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:26:46,026 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:26:46,026 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:26:46,027 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:26:46,027 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:26:46,027 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:26:46,027 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:26:46,028 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:26:46,028 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:26:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-11-19 23:26:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 23:26:46,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:46,048 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:26:46,048 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:46,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:46,054 INFO L82 PathProgramCache]: Analyzing trace with hash 354246130, now seen corresponding path program 1 times [2019-11-19 23:26:46,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:46,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141797171] [2019-11-19 23:26:46,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:26:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:26:46,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141797171] [2019-11-19 23:26:46,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:26:46,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:26:46,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419607016] [2019-11-19 23:26:46,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 23:26:46,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:26:46,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:26:46,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:26:46,223 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-11-19 23:26:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:26:46,243 INFO L93 Difference]: Finished difference Result 70 states and 112 transitions. [2019-11-19 23:26:46,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:26:46,245 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-19 23:26:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:26:46,254 INFO L225 Difference]: With dead ends: 70 [2019-11-19 23:26:46,254 INFO L226 Difference]: Without dead ends: 33 [2019-11-19 23:26:46,257 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 [2019-11-19 23:26:46,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-19 23:26:46,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-19 23:26:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-19 23:26:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2019-11-19 23:26:46,290 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 8 [2019-11-19 23:26:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:26:46,290 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-11-19 23:26:46,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 23:26:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2019-11-19 23:26:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 23:26:46,291 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:26:46,292 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:26:46,292 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:26:46,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:26:46,292 INFO L82 PathProgramCache]: Analyzing trace with hash 325000437, now seen corresponding path program 1 times [2019-11-19 23:26:46,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:26:46,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46374132] [2019-11-19 23:26:46,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:26:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:26:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:26:46,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 23:26:46,406 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 23:26:46,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:26:46 BoogieIcfgContainer [2019-11-19 23:26:46,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:26:46,444 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:26:46,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:26:46,444 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:26:46,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:26:45" (3/4) ... [2019-11-19 23:26:46,448 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 23:26:46,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:26:46,450 INFO L168 Benchmark]: Toolchain (without parser) took 1634.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:46,451 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:26:46,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:46,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.38 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:46,453 INFO L168 Benchmark]: Boogie Preprocessor took 39.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:46,454 INFO L168 Benchmark]: RCFGBuilder took 515.53 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: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:46,455 INFO L168 Benchmark]: TraceAbstraction took 486.85 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:26:46,455 INFO L168 Benchmark]: Witness Printer took 4.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:26:46,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 528.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.38 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 515.53 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: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 486.85 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = 0.0f; [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L122] __VERIFIER_error() VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 46 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=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-19 23:26:48,807 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-19 23:26:48,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:26:48,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:26:48,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:26:48,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:26:48,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:26:48,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:26:48,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:26:48,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:26:48,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:26:48,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:26:48,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:26:48,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 23:26:48,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:26:48,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:26:48,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:26:48,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:26:48,918 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:26:48,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:26:48,918 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:26:48,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:26:48,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:26:48,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:26:48,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:26:48,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:26:48,921 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 23:26:48,921 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 23:26:48,922 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:26:48,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:26:48,923 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:26:48,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:26:48,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:26:48,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:26:48,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:26:48,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:26:48,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:26:48,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:26:48,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:26:48,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:26:48,926 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 23:26:48,926 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 23:26:48,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:26:48,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 23:26:48,927 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_8882cdd8-6d80-4056-969d-99dbb4d95bcb/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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2019-11-19 23:26:49,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:26:49,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:26:49,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:26:49,263 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:26:49,264 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:26:49,265 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2019-11-19 23:26:49,321 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data/e2441ea1a/83b8dae7c86e47c1ad85e145c18faf93/FLAG302fb5a36 [2019-11-19 23:26:49,777 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:26:49,778 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2019-11-19 23:26:49,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data/e2441ea1a/83b8dae7c86e47c1ad85e145c18faf93/FLAG302fb5a36 [2019-11-19 23:26:50,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/data/e2441ea1a/83b8dae7c86e47c1ad85e145c18faf93 [2019-11-19 23:26:50,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:26:50,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:26:50,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:26:50,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:26:50,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:26:50,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205bd8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50, skipping insertion in model container [2019-11-19 23:26:50,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,216 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:26:50,241 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:26:50,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:26:50,477 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:26:50,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:26:50,640 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:26:50,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50 WrapperNode [2019-11-19 23:26:50,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:26:50,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:26:50,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:26:50,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:26:50,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:26:50,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:26:50,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:26:50,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:26:50,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... [2019-11-19 23:26:50,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:26:50,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:26:50,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:26:50,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:26:50,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:26:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-19 23:26:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:26:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-19 23:26:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 23:26:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:26:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:26:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-19 23:26:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 23:26:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 23:27:00,321 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:27:00,322 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-19 23:27:00,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:00 BoogieIcfgContainer [2019-11-19 23:27:00,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:27:00,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:27:00,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:27:00,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:27:00,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:26:50" (1/3) ... [2019-11-19 23:27:00,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6bdd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:27:00, skipping insertion in model container [2019-11-19 23:27:00,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:26:50" (2/3) ... [2019-11-19 23:27:00,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6bdd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:27:00, skipping insertion in model container [2019-11-19 23:27:00,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:00" (3/3) ... [2019-11-19 23:27:00,333 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a.c [2019-11-19 23:27:00,341 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:27:00,347 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:27:00,356 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:27:00,377 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:27:00,377 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:27:00,377 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:27:00,377 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:27:00,378 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:27:00,378 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:27:00,378 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:27:00,378 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:27:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-11-19 23:27:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 23:27:00,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:00,399 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:27:00,399 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:27:00,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:00,405 INFO L82 PathProgramCache]: Analyzing trace with hash 354246130, now seen corresponding path program 1 times [2019-11-19 23:27:00,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:27:00,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061030080] [2019-11-19 23:27:00,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-19 23:27:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:00,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 23:27:00,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:27:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:00,609 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 23:27:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:00,615 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061030080] [2019-11-19 23:27:00,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:00,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 23:27:00,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902129212] [2019-11-19 23:27:00,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 23:27:00,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 23:27:00,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 23:27:00,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:27:00,642 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-11-19 23:27:00,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:00,663 INFO L93 Difference]: Finished difference Result 70 states and 112 transitions. [2019-11-19 23:27:00,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 23:27:00,665 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-19 23:27:00,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:00,676 INFO L225 Difference]: With dead ends: 70 [2019-11-19 23:27:00,676 INFO L226 Difference]: Without dead ends: 33 [2019-11-19 23:27:00,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 23:27:00,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-19 23:27:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-19 23:27:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-19 23:27:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2019-11-19 23:27:00,718 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 8 [2019-11-19 23:27:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:00,718 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-11-19 23:27:00,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 23:27:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2019-11-19 23:27:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 23:27:00,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:00,720 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:27:00,924 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 23:27:00,924 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:27:00,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:00,925 INFO L82 PathProgramCache]: Analyzing trace with hash 325000437, now seen corresponding path program 1 times [2019-11-19 23:27:00,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:27:00,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765650544] [2019-11-19 23:27:00,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-19 23:27:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:01,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 23:27:01,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:27:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:01,157 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 23:27:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:01,253 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765650544] [2019-11-19 23:27:01,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:01,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-19 23:27:01,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716288396] [2019-11-19 23:27:01,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 23:27:01,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 23:27:01,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 23:27:01,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:27:01,257 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 8 states. [2019-11-19 23:27:05,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:05,717 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2019-11-19 23:27:05,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 23:27:05,797 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 9 [2019-11-19 23:27:05,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:05,798 INFO L225 Difference]: With dead ends: 50 [2019-11-19 23:27:05,799 INFO L226 Difference]: Without dead ends: 29 [2019-11-19 23:27:05,800 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-19 23:27:05,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-19 23:27:05,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-19 23:27:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-19 23:27:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-11-19 23:27:05,806 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 9 [2019-11-19 23:27:05,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:05,807 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-11-19 23:27:05,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 23:27:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-11-19 23:27:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 23:27:05,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:05,809 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:27:06,025 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 23:27:06,026 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:27:06,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:06,026 INFO L82 PathProgramCache]: Analyzing trace with hash -239562945, now seen corresponding path program 1 times [2019-11-19 23:27:06,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:27:06,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071246650] [2019-11-19 23:27:06,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-19 23:27:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:06,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 23:27:06,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:27:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:06,251 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 23:27:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:06,900 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071246650] [2019-11-19 23:27:06,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:06,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2019-11-19 23:27:06,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793158088] [2019-11-19 23:27:06,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 23:27:06,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 23:27:06,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 23:27:06,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:27:06,903 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 7 states. [2019-11-19 23:27:20,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:20,004 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2019-11-19 23:27:20,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 23:27:20,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2019-11-19 23:27:20,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:20,012 INFO L225 Difference]: With dead ends: 33 [2019-11-19 23:27:20,012 INFO L226 Difference]: Without dead ends: 29 [2019-11-19 23:27:20,013 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 23:27:20,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-19 23:27:20,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-19 23:27:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-19 23:27:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2019-11-19 23:27:20,022 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 15 [2019-11-19 23:27:20,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:20,023 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2019-11-19 23:27:20,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 23:27:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2019-11-19 23:27:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:27:20,025 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:27:20,025 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:27:20,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 23:27:20,238 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:27:20,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:27:20,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1708303706, now seen corresponding path program 1 times [2019-11-19 23:27:20,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 23:27:20,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779824087] [2019-11-19 23:27:20,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-19 23:27:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:27:21,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 23:27:21,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:27:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:21,376 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 23:27:21,737 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-19 23:27:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:27:21,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779824087] [2019-11-19 23:27:21,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:27:21,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-19 23:27:21,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463016075] [2019-11-19 23:27:21,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 23:27:21,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 23:27:21,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 23:27:21,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:27:21,871 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 6 states. [2019-11-19 23:27:21,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:27:21,971 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-11-19 23:27:21,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:27:21,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-19 23:27:21,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:27:21,973 INFO L225 Difference]: With dead ends: 29 [2019-11-19 23:27:21,973 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:27:21,973 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:27:21,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:27:21,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:27:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:27:21,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:27:21,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-11-19 23:27:21,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:27:21,975 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:27:21,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 23:27:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:27:21,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:27:22,176 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-19 23:27:22,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:27:22,279 INFO L447 ceAbstractionStarter]: At program point L126(lines 111 127) the Hoare annotation is: true [2019-11-19 23:27:22,279 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 23:27:22,279 INFO L444 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2019-11-19 23:27:22,279 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-11-19 23:27:22,279 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2019-11-19 23:27:22,279 INFO L444 ceAbstractionStarter]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2019-11-19 23:27:22,280 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:27:22,280 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:27:22,280 INFO L444 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2019-11-19 23:27:22,280 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2019-11-19 23:27:22,280 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-11-19 23:27:22,280 INFO L444 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2019-11-19 23:27:22,280 INFO L444 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-11-19 23:27:22,281 INFO L444 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2019-11-19 23:27:22,281 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2019-11-19 23:27:22,281 INFO L444 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2019-11-19 23:27:22,281 INFO L440 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: false [2019-11-19 23:27:22,281 INFO L444 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-11-19 23:27:22,281 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2019-11-19 23:27:22,282 INFO L444 ceAbstractionStarter]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2019-11-19 23:27:22,282 INFO L444 ceAbstractionStarter]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2019-11-19 23:27:22,282 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:27:22,282 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2019-11-19 23:27:22,282 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2019-11-19 23:27:22,283 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-19 23:27:22,283 INFO L440 ceAbstractionStarter]: At program point L107(lines 36 109) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= ULTIMATE.start___ieee754_expf_~x (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)) (_ +zero 8 24)) (= |ULTIMATE.start___ieee754_expf_#res| (fp.add roundNearestTiesToEven .cse0 (_ +zero 8 24))) (= ~one_exp~0 .cse0) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)))))) [2019-11-19 23:27:22,283 INFO L444 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2019-11-19 23:27:22,283 INFO L440 ceAbstractionStarter]: At program point L41-2(lines 41 45) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_exp~0) (= ULTIMATE.start___ieee754_expf_~x (_ +zero 8 24)) (= ~one_exp~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) [2019-11-19 23:27:22,284 INFO L444 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2019-11-19 23:27:22,284 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:27:22,284 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2019-11-19 23:27:22,284 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2019-11-19 23:27:22,284 INFO L444 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2019-11-19 23:27:22,284 INFO L444 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2019-11-19 23:27:22,284 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2019-11-19 23:27:22,285 INFO L440 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: false [2019-11-19 23:27:22,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:27:22 BoogieIcfgContainer [2019-11-19 23:27:22,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:27:22,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:27:22,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:27:22,352 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:27:22,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:27:00" (3/4) ... [2019-11-19 23:27:22,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:27:22,375 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-19 23:27:22,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-19 23:27:22,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:27:22,409 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) == ~Pluszero~LONGDOUBLE() && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) [2019-11-19 23:27:22,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8882cdd8-6d80-4056-969d-99dbb4d95bcb/bin/uautomizer/witness.graphml [2019-11-19 23:27:22,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:27:22,466 INFO L168 Benchmark]: Toolchain (without parser) took 32268.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 955.1 MB in the beginning and 981.1 MB in the end (delta: -26.0 MB). Peak memory consumption was 139.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:22,466 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-11-19 23:27:22,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -200.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:22,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:27:22,468 INFO L168 Benchmark]: Boogie Preprocessor took 50.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:22,468 INFO L168 Benchmark]: RCFGBuilder took 9565.25 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: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:22,469 INFO L168 Benchmark]: TraceAbstraction took 22026.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.6 MB in the end (delta: 128.4 MB). Peak memory consumption was 128.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:22,469 INFO L168 Benchmark]: Witness Printer took 112.66 ms. Allocated memory is still 1.2 GB. Free memory was 987.6 MB in the beginning and 981.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:27:22,472 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 443.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -200.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9565.25 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: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22026.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.6 MB in the end (delta: 128.4 MB). Peak memory consumption was 128.4 MB. Max. memory is 11.5 GB. * Witness Printer took 112.66 ms. Allocated memory is still 1.2 GB. Free memory was 987.6 MB in the beginning and 981.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 122]: 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: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 36]: Loop Invariant [2019-11-19 23:27:22,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,483 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-11-19 23:27:22,487 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (((x == ~Pluszero~LONGDOUBLE() && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) == ~Pluszero~LONGDOUBLE() && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) - InvariantResult [Line: 41]: Loop Invariant [2019-11-19 23:27:22,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 23:27:22,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_exp && x == ~Pluszero~LONGDOUBLE()) && one_exp == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Result: SAFE, OverallTime: 21.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 135 SDslu, 82 SDs, 0 SdLazy, 38 SolverSat, 5 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 67 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 90 ConstructedInterpolants, 2 QuantifiedInterpolants, 9210 SizeOfPredicates, 17 NumberOfNonLiveVariables, 253 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...