./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a46db52b19fb11eeacebca884b6de40c52cb082 ................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a46db52b19fb11eeacebca884b6de40c52cb082 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:27:27,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:27,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:27,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:27,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:27,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:27,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:27,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:27,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:27,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:27,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:27,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:27,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:27,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:27,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:27,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:27,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:27,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:27,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:27,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:27,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:27,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:27,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:27,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:27,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:27,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:27,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:27,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:27,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:27,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:27,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:27,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:27,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:27,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:27,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:27,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:27,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:27,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:27,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:27,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:27,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:27,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:27:27,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:27,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:27,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:27,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:27,768 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:27,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:27,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:27,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:27,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:27,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:27,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:27,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:27,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:27,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:27,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:27,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:27,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:27,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:27,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:27,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:27,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:27,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:27,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:27,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:27,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:27,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:27:27,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:27,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:27,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a46db52b19fb11eeacebca884b6de40c52cb082 [2021-10-11 00:27:28,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:28,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:28,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:28,061 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:28,062 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:28,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2021-10-11 00:27:28,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data/449457508/48673ef7d7704ec181fe13abda4b2a53/FLAG08a95b4f2 [2021-10-11 00:27:28,635 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:28,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2021-10-11 00:27:28,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data/449457508/48673ef7d7704ec181fe13abda4b2a53/FLAG08a95b4f2 [2021-10-11 00:27:28,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data/449457508/48673ef7d7704ec181fe13abda4b2a53 [2021-10-11 00:27:29,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:29,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:29,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:29,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:29,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:29,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311b70e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29, skipping insertion in model container [2021-10-11 00:27:29,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:29,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:29,236 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2021-10-11 00:27:29,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:29,248 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:29,273 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2021-10-11 00:27:29,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:29,289 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:29,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29 WrapperNode [2021-10-11 00:27:29,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:29,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:29,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:29,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:29,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:29,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:29,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:29,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:29,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... [2021-10-11 00:27:29,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:29,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:29,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:29,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:29,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:27:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:29,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 00:27:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:27:29,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 00:27:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:29,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:27:29,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:27:29,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:29,859 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 00:27:29,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:29 BoogieIcfgContainer [2021-10-11 00:27:29,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:29,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:29,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:29,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:29,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:29" (1/3) ... [2021-10-11 00:27:29,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432e06f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:29, skipping insertion in model container [2021-10-11 00:27:29,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:29" (2/3) ... [2021-10-11 00:27:29,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432e06f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:29, skipping insertion in model container [2021-10-11 00:27:29,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:29" (3/3) ... [2021-10-11 00:27:29,870 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0720.c [2021-10-11 00:27:29,884 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:29,887 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:27:29,898 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:27:29,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:29,966 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:29,966 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:29,966 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:29,966 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:29,966 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:29,966 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:29,967 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:29,996 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2021-10-11 00:27:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:27:30,001 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:30,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:30,002 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:30,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:30,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2021-10-11 00:27:30,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:30,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085371149] [2021-10-11 00:27:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:30,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085371149] [2021-10-11 00:27:30,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:30,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:30,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250586338] [2021-10-11 00:27:30,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:27:30,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:30,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:27:30,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:30,198 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2021-10-11 00:27:30,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:30,216 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2021-10-11 00:27:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:27:30,217 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2021-10-11 00:27:30,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:30,227 INFO L225 Difference]: With dead ends: 64 [2021-10-11 00:27:30,227 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 00:27:30,230 INFO L677 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 [2021-10-11 00:27:30,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 00:27:30,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-11 00:27:30,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 00:27:30,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2021-10-11 00:27:30,265 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2021-10-11 00:27:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:30,265 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-11 00:27:30,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:27:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-10-11 00:27:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:27:30,266 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:30,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:30,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:27:30,267 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:30,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:30,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2021-10-11 00:27:30,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:30,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008318430] [2021-10-11 00:27:30,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:30,319 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:30,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:30,378 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:30,378 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:27:30,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:27:30,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:30 BoogieIcfgContainer [2021-10-11 00:27:30,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:27:30,425 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:27:30,425 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:27:30,425 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:27:30,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:29" (3/4) ... [2021-10-11 00:27:30,429 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:27:30,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:27:30,433 INFO L168 Benchmark]: Toolchain (without parser) took 1424.68 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 72.6 MB in the beginning and 81.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:30,434 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:30,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.94 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 75.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:30,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.18 ms. Allocated memory is still 100.7 MB. Free memory was 75.3 MB in the beginning and 73.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:30,437 INFO L168 Benchmark]: Boogie Preprocessor took 30.12 ms. Allocated memory is still 100.7 MB. Free memory was 73.5 MB in the beginning and 72.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:30,440 INFO L168 Benchmark]: RCFGBuilder took 497.41 ms. Allocated memory is still 100.7 MB. Free memory was 72.1 MB in the beginning and 52.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:30,441 INFO L168 Benchmark]: TraceAbstraction took 561.38 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 52.6 MB in the beginning and 81.7 MB in the end (delta: -29.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:30,443 INFO L168 Benchmark]: Witness Printer took 4.36 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 81.1 MB in the end (delta: 573.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:30,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.94 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 75.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.18 ms. Allocated memory is still 100.7 MB. Free memory was 75.3 MB in the beginning and 73.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.12 ms. Allocated memory is still 100.7 MB. Free memory was 73.5 MB in the beginning and 72.1 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 497.41 ms. Allocated memory is still 100.7 MB. Free memory was 72.1 MB in the beginning and 52.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 561.38 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 52.6 MB in the beginning and 81.7 MB in the end (delta: -29.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.36 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 81.1 MB in the end (delta: 573.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 98]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 32, overapproximation of bitwiseAnd at line 29. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] float x = 0.0f / 0.0f; [L20] float z; [L21] __uint32_t r, hx; [L22] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L25] ieee_float_shape_type gf_u; [L26] gf_u.value = (x) [L27] EXPR gf_u.word [L27] (ix) = gf_u.word [L29] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L31] COND TRUE !((hx) < 0x7f800000L) [L32] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L94] float res = __ieee754_sqrtf(x); [L15] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L97] COND TRUE !isnan_float(res) [L98] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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 0.2.0-7b2dab5 [2021-10-11 00:27:33,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:33,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:33,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-11 00:27:33,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:33,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:33,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:33,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:33,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:33,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:33,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:33,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:33,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:33,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:33,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:33,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:33,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-11 00:27:33,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:33,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:33,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:33,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:33,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:33,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:33,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:33,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:33,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:33,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:33,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:33,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:27:33,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:33,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:33,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:33,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:33,239 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:33,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:33,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:33,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:33,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:33,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:27:33,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:27:33,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:27:33,242 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:27:33,242 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:27:33,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:33,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:33,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:33,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:27:33,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:33,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:33,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:27:33,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:27:33,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:33,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:27:33,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:27:33,245 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:27:33,245 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:27:33,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:27:33,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:33,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:27:33,246 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a46db52b19fb11eeacebca884b6de40c52cb082 [2021-10-11 00:27:33,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:33,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:33,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:33,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:33,669 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:33,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2021-10-11 00:27:33,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data/e8e143a3d/18fcb34582f24092bc9857d85e2036d6/FLAG831e11b76 [2021-10-11 00:27:34,287 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:34,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/sv-benchmarks/c/float-newlib/float_req_bl_0720.c [2021-10-11 00:27:34,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data/e8e143a3d/18fcb34582f24092bc9857d85e2036d6/FLAG831e11b76 [2021-10-11 00:27:34,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/data/e8e143a3d/18fcb34582f24092bc9857d85e2036d6 [2021-10-11 00:27:34,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:34,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:34,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:34,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:34,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:34,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:34,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73216105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34, skipping insertion in model container [2021-10-11 00:27:34,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:34,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:34,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:34,889 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2021-10-11 00:27:34,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:34,919 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:34,966 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/sv-benchmarks/c/float-newlib/float_req_bl_0720.c[1929,1942] [2021-10-11 00:27:34,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:34,984 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:34,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34 WrapperNode [2021-10-11 00:27:34,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:34,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:34,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:34,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:34,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:35,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:35,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:35,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:35,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... [2021-10-11 00:27:35,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:35,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:35,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:35,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:35,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:27:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:27:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-11 00:27:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 00:27:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-11 00:27:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 00:27:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:27:37,926 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:37,927 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 00:27:37,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:37 BoogieIcfgContainer [2021-10-11 00:27:37,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:37,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:27:37,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:27:37,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:27:37,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:27:34" (1/3) ... [2021-10-11 00:27:37,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db380e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:37, skipping insertion in model container [2021-10-11 00:27:37,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:34" (2/3) ... [2021-10-11 00:27:37,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db380e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:27:37, skipping insertion in model container [2021-10-11 00:27:37,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:37" (3/3) ... [2021-10-11 00:27:37,938 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0720.c [2021-10-11 00:27:37,953 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:27:37,957 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:27:37,968 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:27:37,993 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:27:37,993 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:27:37,994 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:27:37,994 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:37,994 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:37,994 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:27:37,994 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:37,994 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:27:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2021-10-11 00:27:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 00:27:38,011 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:38,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:38,012 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:38,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1903734416, now seen corresponding path program 1 times [2021-10-11 00:27:38,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:27:38,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231315394] [2021-10-11 00:27:38,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:27:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:38,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 00:27:38,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:38,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:27:38,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231315394] [2021-10-11 00:27:38,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:38,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:38,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245423325] [2021-10-11 00:27:38,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:27:38,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:27:38,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:27:38,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:38,292 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2021-10-11 00:27:38,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:38,309 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2021-10-11 00:27:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:27:38,310 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2021-10-11 00:27:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:38,319 INFO L225 Difference]: With dead ends: 64 [2021-10-11 00:27:38,320 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 00:27:38,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:27:38,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 00:27:38,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-11 00:27:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 00:27:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2021-10-11 00:27:38,355 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 9 [2021-10-11 00:27:38,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:38,355 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-11 00:27:38,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:27:38,355 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-10-11 00:27:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:27:38,356 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:38,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:38,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:27:38,576 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:38,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:38,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1484616397, now seen corresponding path program 1 times [2021-10-11 00:27:38,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:27:38,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223933617] [2021-10-11 00:27:38,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:27:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:38,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 00:27:38,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:39,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:27:39,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223933617] [2021-10-11 00:27:39,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:39,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:27:39,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037825521] [2021-10-11 00:27:39,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:27:39,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:27:39,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:27:39,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:39,109 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 7 states. [2021-10-11 00:27:40,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:40,724 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2021-10-11 00:27:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:27:40,728 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2021-10-11 00:27:40,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:40,729 INFO L225 Difference]: With dead ends: 35 [2021-10-11 00:27:40,729 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 00:27:40,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:27:40,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 00:27:40,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-11 00:27:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 00:27:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2021-10-11 00:27:40,736 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 10 [2021-10-11 00:27:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:40,736 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-11 00:27:40,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:27:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-10-11 00:27:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:27:40,737 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:27:40,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:27:40,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 00:27:40,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:27:40,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:40,959 INFO L82 PathProgramCache]: Analyzing trace with hash 591854048, now seen corresponding path program 1 times [2021-10-11 00:27:40,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:27:40,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095406887] [2021-10-11 00:27:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:27:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:41,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 00:27:41,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:41,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:27:41,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095406887] [2021-10-11 00:27:41,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:41,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:27:41,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137574835] [2021-10-11 00:27:41,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:27:41,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:27:41,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:27:41,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:27:41,291 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2021-10-11 00:27:41,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:41,440 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2021-10-11 00:27:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:27:41,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:27:41,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:27:41,441 INFO L225 Difference]: With dead ends: 30 [2021-10-11 00:27:41,441 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:27:41,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:27:41,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:27:41,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:27:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:27:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:27:41,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-10-11 00:27:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:27:41,444 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:27:41,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:27:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:27:41,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:27:41,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 00:27:41,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:27:41,804 INFO L265 CegarLoopResult]: At program point L102(lines 86 103) the Hoare annotation is: true [2021-10-11 00:27:41,804 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-10-11 00:27:41,804 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:27:41,805 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:27:41,805 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-10-11 00:27:41,805 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-10-11 00:27:41,805 INFO L262 CegarLoopResult]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2021-10-11 00:27:41,805 INFO L262 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2021-10-11 00:27:41,805 INFO L258 CegarLoopResult]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2021-10-11 00:27:41,805 INFO L262 CegarLoopResult]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2021-10-11 00:27:41,805 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2021-10-11 00:27:41,806 INFO L262 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2021-10-11 00:27:41,806 INFO L262 CegarLoopResult]: For program point L97(lines 97 100) no Hoare annotation was computed. [2021-10-11 00:27:41,806 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2021-10-11 00:27:41,806 INFO L258 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrtf_#res|) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x)) [2021-10-11 00:27:41,806 INFO L262 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2021-10-11 00:27:41,806 INFO L262 CegarLoopResult]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2021-10-11 00:27:41,807 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-11 00:27:41,807 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:27:41,807 INFO L262 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2021-10-11 00:27:41,807 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2021-10-11 00:27:41,807 INFO L262 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2021-10-11 00:27:41,807 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2021-10-11 00:27:41,807 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x)) [2021-10-11 00:27:41,808 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2021-10-11 00:27:41,808 INFO L262 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2021-10-11 00:27:41,808 INFO L258 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2021-10-11 00:27:41,808 INFO L262 CegarLoopResult]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2021-10-11 00:27:41,808 INFO L262 CegarLoopResult]: For program point L66(lines 66 75) no Hoare annotation was computed. [2021-10-11 00:27:41,808 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:27:41,808 INFO L258 CegarLoopResult]: At program point L83(lines 19 84) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrtf_#res|) (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start___ieee754_sqrtf_~x)) [2021-10-11 00:27:41,809 INFO L262 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2021-10-11 00:27:41,809 INFO L262 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2021-10-11 00:27:41,820 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:27:41 BoogieIcfgContainer [2021-10-11 00:27:41,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:27:41,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:27:41,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:27:41,839 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:27:41,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:37" (3/4) ... [2021-10-11 00:27:41,842 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:27:41,854 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-11 00:27:41,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-11 00:27:41,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:41,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:27:41,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2021-10-11 00:27:41,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2021-10-11 00:27:41,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e783b1f2-82d6-424e-8bb0-e485d6045e86/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:27:41,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:27:41,920 INFO L168 Benchmark]: Toolchain (without parser) took 7269.42 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 32.3 MB in the beginning and 56.3 MB in the end (delta: -23.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:41,920 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 54.5 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:41,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.60 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 35.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:41,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.76 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 34.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:41,921 INFO L168 Benchmark]: Boogie Preprocessor took 35.68 ms. Allocated memory is still 54.5 MB. Free memory was 34.0 MB in the beginning and 32.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:41,922 INFO L168 Benchmark]: RCFGBuilder took 2863.32 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 32.2 MB in the beginning and 40.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:41,924 INFO L168 Benchmark]: TraceAbstraction took 3907.15 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 39.7 MB in the beginning and 59.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:41,924 INFO L168 Benchmark]: Witness Printer took 79.85 ms. Allocated memory is still 83.9 MB. Free memory was 59.9 MB in the beginning and 56.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:41,929 INFO L339 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 54.5 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 335.60 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 35.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.76 ms. Allocated memory is still 54.5 MB. Free memory was 35.7 MB in the beginning and 34.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.68 ms. Allocated memory is still 54.5 MB. Free memory was 34.0 MB in the beginning and 32.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2863.32 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 32.2 MB in the beginning and 40.2 MB in the end (delta: -8.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3907.15 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 39.7 MB in the beginning and 59.9 MB in the end (delta: -20.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Witness Printer took 79.85 ms. Allocated memory is still 83.9 MB. Free memory was 59.9 MB in the beginning and 56.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 98]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2021-10-11 00:27:41,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant [2021-10-11 00:27:41,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2021-10-11 00:27:41,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,962 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:27:41,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 77 SDtfs, 85 SDslu, 96 SDs, 0 SdLazy, 40 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 11 NumberOfFragments, 73 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 4 QuantifiedInterpolants, 2125 SizeOfPredicates, 16 NumberOfNonLiveVariables, 154 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...