./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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 51b19897c11e4f835362356179f819ee4e466264 .................................................................................................................................................................................................................................................................................................. 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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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 51b19897c11e4f835362356179f819ee4e466264 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:22:09,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:09,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:09,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:09,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:09,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:09,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:09,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:09,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:09,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:09,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:09,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:09,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:09,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:09,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:09,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:09,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:09,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:09,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:09,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:09,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:09,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:09,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:09,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:09,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:09,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:09,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:09,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:09,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:09,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:09,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:09,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:09,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:09,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:09,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:09,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:09,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:09,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:09,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:09,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:09,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:09,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:22:09,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:09,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:09,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:09,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:09,669 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:09,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:09,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:09,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:22:09,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:09,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:09,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:09,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:09,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:09,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:09,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:09,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:09,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:09,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:09,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:09,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:09,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:09,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:09,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:09,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:09,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:22:09,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:22:09,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:09,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:09,682 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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b19897c11e4f835362356179f819ee4e466264 [2021-10-11 00:22:09,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:09,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:09,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:09,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:09,963 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:09,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2021-10-11 00:22:10,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data/ddac4fd0d/7bf5b92f2afd4b84b9163f03c04a0d77/FLAG7e747d079 [2021-10-11 00:22:10,566 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:10,566 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2021-10-11 00:22:10,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data/ddac4fd0d/7bf5b92f2afd4b84b9163f03c04a0d77/FLAG7e747d079 [2021-10-11 00:22:10,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data/ddac4fd0d/7bf5b92f2afd4b84b9163f03c04a0d77 [2021-10-11 00:22:10,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:10,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:10,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:10,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:10,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:10,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:10" (1/1) ... [2021-10-11 00:22:10,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283dd3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:10, skipping insertion in model container [2021-10-11 00:22:10,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:10" (1/1) ... [2021-10-11 00:22:10,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:10,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:11,186 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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2021-10-11 00:22:11,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:11,201 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:11,226 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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2021-10-11 00:22:11,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:11,245 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:11,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11 WrapperNode [2021-10-11 00:22:11,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:11,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:11,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:11,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:11,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:11,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:11,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:11,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:11,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... [2021-10-11 00:22:11,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:11,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:11,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:11,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:11,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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 00:22:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:22:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 00:22:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:22:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 00:22:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:22:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:22:11,761 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:11,762 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 00:22:11,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:11 BoogieIcfgContainer [2021-10-11 00:22:11,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:11,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:11,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:11,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:11,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:10" (1/3) ... [2021-10-11 00:22:11,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1dcd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:11, skipping insertion in model container [2021-10-11 00:22:11,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:11" (2/3) ... [2021-10-11 00:22:11,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1dcd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:11, skipping insertion in model container [2021-10-11 00:22:11,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:11" (3/3) ... [2021-10-11 00:22:11,773 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a.c [2021-10-11 00:22:11,788 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:11,791 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:22:11,804 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:22:11,845 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:11,846 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:11,846 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:11,846 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:11,846 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:11,846 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:11,847 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:11,847 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:11,861 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2021-10-11 00:22:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:22:11,867 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:11,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:11,869 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:11,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:11,875 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2021-10-11 00:22:11,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:11,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209587144] [2021-10-11 00:22:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:12,030 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 00:22:12,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209587144] [2021-10-11 00:22:12,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:12,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:12,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365413499] [2021-10-11 00:22:12,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:22:12,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:12,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:22:12,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:12,059 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2021-10-11 00:22:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:12,083 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2021-10-11 00:22:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:12,084 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 00:22:12,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:12,105 INFO L225 Difference]: With dead ends: 58 [2021-10-11 00:22:12,109 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 00:22:12,116 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 00:22:12,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 00:22:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 00:22:12,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 00:22:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2021-10-11 00:22:12,157 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2021-10-11 00:22:12,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:12,158 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-10-11 00:22:12,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:22:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-10-11 00:22:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:22:12,159 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:12,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:12,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:22:12,160 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:12,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:12,164 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2021-10-11 00:22:12,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:12,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981582866] [2021-10-11 00:22:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:22:12,284 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:22:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:22:12,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:22:12,390 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:22:12,391 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:22:12,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:22:12,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:22:12 BoogieIcfgContainer [2021-10-11 00:22:12,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:22:12,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:22:12,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:22:12,423 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:22:12,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:11" (3/4) ... [2021-10-11 00:22:12,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:22:12,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:22:12,429 INFO L168 Benchmark]: Toolchain (without parser) took 1496.04 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 70.4 MB in the beginning and 63.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:12,430 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:12,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.36 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 70.1 MB in the beginning and 108.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:12,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.27 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 106.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:12,433 INFO L168 Benchmark]: Boogie Preprocessor took 48.84 ms. Allocated memory is still 134.2 MB. Free memory was 106.9 MB in the beginning and 105.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:12,435 INFO L168 Benchmark]: RCFGBuilder took 425.33 ms. Allocated memory is still 134.2 MB. Free memory was 105.2 MB in the beginning and 87.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:12,436 INFO L168 Benchmark]: TraceAbstraction took 656.43 ms. Allocated memory is still 134.2 MB. Free memory was 86.7 MB in the beginning and 63.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:12,438 INFO L168 Benchmark]: Witness Printer took 4.52 ms. Allocated memory is still 134.2 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:12,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.36 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 70.1 MB in the beginning and 108.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.27 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 106.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.84 ms. Allocated memory is still 134.2 MB. Free memory was 106.9 MB in the beginning and 105.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 425.33 ms. Allocated memory is still 134.2 MB. Free memory was 105.2 MB in the beginning and 87.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 656.43 ms. Allocated memory is still 134.2 MB. Free memory was 86.7 MB in the beginning and 63.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.52 ms. Allocated memory is still 134.2 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 83]: 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 82, overapproximation of someUnaryFLOAToperation at line 78, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L78] float x = -0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [huge_ceil=1000000000000000000000000000000] [L79] float res = ceil_float(x); [L82] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_ceil=1000000000000000000000000000000] [L82] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L83] reach_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 39 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=30occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 00:22:15,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:15,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:15,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:15,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:15,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:15,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:15,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:15,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:15,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:15,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:15,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:15,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:15,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:15,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:15,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:15,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:15,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:15,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:15,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:15,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:15,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:15,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:15,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:15,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:15,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:15,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:15,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:15,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:15,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:15,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:15,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:15,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:15,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:15,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:15,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:15,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:15,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:15,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:15,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:15,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:15,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-11 00:22:15,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:15,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:15,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:15,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:15,175 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:15,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:15,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:15,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:15,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:15,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:15,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:15,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:15,179 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 00:22:15,179 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 00:22:15,179 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:15,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:15,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:15,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:15,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:15,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:15,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:15,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:15,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:15,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:15,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:15,182 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-11 00:22:15,183 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 00:22:15,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:15,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:15,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 00:22:15,184 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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b19897c11e4f835362356179f819ee4e466264 [2021-10-11 00:22:15,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:15,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:15,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:15,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:15,670 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:15,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2021-10-11 00:22:15,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data/e4db97354/e93af7a2f0d548e8afd000f79a8277cd/FLAGdaebc1c31 [2021-10-11 00:22:16,263 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:16,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2021-10-11 00:22:16,274 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data/e4db97354/e93af7a2f0d548e8afd000f79a8277cd/FLAGdaebc1c31 [2021-10-11 00:22:16,610 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/data/e4db97354/e93af7a2f0d548e8afd000f79a8277cd [2021-10-11 00:22:16,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:16,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:16,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:16,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:16,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:16,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:16,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52023fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16, skipping insertion in model container [2021-10-11 00:22:16,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:16,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:16,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:16,823 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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2021-10-11 00:22:16,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:16,841 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:16,920 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_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c[1753,1766] [2021-10-11 00:22:16,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:16,951 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:16,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16 WrapperNode [2021-10-11 00:22:16,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:16,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:16,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:16,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:16,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:16,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:16,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:16,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:16,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:16,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:17,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:17,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:17,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:17,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:17,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:17,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:17,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... [2021-10-11 00:22:17,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:17,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:17,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:17,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:17,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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 00:22:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 00:22:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-11 00:22:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 00:22:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:17,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-11 00:22:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 00:22:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:22:18,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:18,105 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-11 00:22:18,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:18 BoogieIcfgContainer [2021-10-11 00:22:18,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:18,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:18,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:18,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:18,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:16" (1/3) ... [2021-10-11 00:22:18,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb69040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:18, skipping insertion in model container [2021-10-11 00:22:18,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:16" (2/3) ... [2021-10-11 00:22:18,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb69040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:18, skipping insertion in model container [2021-10-11 00:22:18,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:18" (3/3) ... [2021-10-11 00:22:18,114 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a.c [2021-10-11 00:22:18,129 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:18,132 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:22:18,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:22:18,169 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:18,169 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:18,170 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:18,170 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:18,170 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:18,170 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:18,170 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:18,170 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2021-10-11 00:22:18,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:22:18,189 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:18,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:18,190 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:18,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:18,196 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2021-10-11 00:22:18,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:22:18,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063464000] [2021-10-11 00:22:18,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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 00:22:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:18,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 00:22:18,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:18,389 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 00:22:18,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:22:18,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063464000] [2021-10-11 00:22:18,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:18,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:18,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356941894] [2021-10-11 00:22:18,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:22:18,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:22:18,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:22:18,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:18,433 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2021-10-11 00:22:18,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:18,456 INFO L93 Difference]: Finished difference Result 58 states and 90 transitions. [2021-10-11 00:22:18,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:18,458 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 00:22:18,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:18,479 INFO L225 Difference]: With dead ends: 58 [2021-10-11 00:22:18,479 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 00:22:18,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 00:22:18,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 00:22:18,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 00:22:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 00:22:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2021-10-11 00:22:18,524 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2021-10-11 00:22:18,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:18,525 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-10-11 00:22:18,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:22:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2021-10-11 00:22:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 00:22:18,527 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:18,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:18,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 00:22:18,741 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:18,742 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2021-10-11 00:22:18,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:22:18,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042718456] [2021-10-11 00:22:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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 00:22:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:18,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 00:22:18,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:19,007 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 00:22:19,007 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:22:19,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042718456] [2021-10-11 00:22:19,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:19,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:19,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138087746] [2021-10-11 00:22:19,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:19,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:22:19,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:19,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:19,011 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 5 states. [2021-10-11 00:22:19,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:19,323 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-10-11 00:22:19,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:22:19,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 00:22:19,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:19,326 INFO L225 Difference]: With dead ends: 39 [2021-10-11 00:22:19,326 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 00:22:19,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:22:19,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 00:22:19,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 00:22:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 00:22:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-10-11 00:22:19,333 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2021-10-11 00:22:19,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:19,333 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-10-11 00:22:19,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:19,333 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-10-11 00:22:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-11 00:22:19,334 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:19,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:19,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 00:22:19,549 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:19,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:19,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1612307429, now seen corresponding path program 1 times [2021-10-11 00:22:19,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:22:19,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145340796] [2021-10-11 00:22:19,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/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 00:22:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:19,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:22:19,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:19,841 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 00:22:19,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:22:19,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145340796] [2021-10-11 00:22:19,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:19,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:22:19,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961659124] [2021-10-11 00:22:19,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:22:19,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:22:19,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:22:19,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:22:19,845 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2021-10-11 00:22:19,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:19,943 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2021-10-11 00:22:19,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:22:19,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2021-10-11 00:22:19,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:19,946 INFO L225 Difference]: With dead ends: 33 [2021-10-11 00:22:19,946 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 00:22:19,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:22:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 00:22:19,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 00:22:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 00:22:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-10-11 00:22:19,953 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 15 [2021-10-11 00:22:19,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:19,953 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-10-11 00:22:19,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:22:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-10-11 00:22:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:22:19,954 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:19,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:20,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 00:22:20,166 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:20,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:20,167 INFO L82 PathProgramCache]: Analyzing trace with hash 879764433, now seen corresponding path program 1 times [2021-10-11 00:22:20,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:22:20,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279178922] [2021-10-11 00:22:20,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 00:22:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:20,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:22:20,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:20,456 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 00:22:20,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:22:20,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279178922] [2021-10-11 00:22:20,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:20,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:22:20,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441046692] [2021-10-11 00:22:20,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:22:20,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:22:20,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:22:20,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:22:20,461 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 6 states. [2021-10-11 00:22:20,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:20,649 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2021-10-11 00:22:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:22:20,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2021-10-11 00:22:20,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:20,651 INFO L225 Difference]: With dead ends: 24 [2021-10-11 00:22:20,651 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 00:22:20,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:22:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 00:22:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 00:22:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 00:22:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2021-10-11 00:22:20,656 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16 [2021-10-11 00:22:20,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:20,657 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2021-10-11 00:22:20,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:22:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2021-10-11 00:22:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:22:20,658 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:20,658 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] [2021-10-11 00:22:20,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 00:22:20,868 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:20,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:20,868 INFO L82 PathProgramCache]: Analyzing trace with hash -733783834, now seen corresponding path program 1 times [2021-10-11 00:22:20,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-11 00:22:20,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915728863] [2021-10-11 00:22:20,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 00:22:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:21,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-11 00:22:21,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:22:21,077 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-11 00:22:21,079 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 00:22:21,091 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:22:21,094 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 00:22:21,094 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:31 [2021-10-11 00:22:21,272 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2021-10-11 00:22:21,275 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 00:22:21,279 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 00:22:21,280 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 00:22:21,281 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:12 [2021-10-11 00:22:21,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 00:22:21,404 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 00:22:21,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 00:22:21,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915728863] [2021-10-11 00:22:21,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:21,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-11 00:22:21,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459413214] [2021-10-11 00:22:21,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 00:22:21,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-11 00:22:21,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 00:22:21,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:22:21,408 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2021-10-11 00:22:21,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:21,960 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2021-10-11 00:22:21,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:22:21,961 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2021-10-11 00:22:21,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:21,962 INFO L225 Difference]: With dead ends: 21 [2021-10-11 00:22:21,962 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:22:21,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:22:21,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:22:21,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:22:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:22:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:22:21,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-10-11 00:22:21,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:21,964 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:21,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 00:22:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:22:21,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:22:22,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 00:22:22,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:22:22,432 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2021-10-11 00:22:22,539 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2021-10-11 00:22:22,752 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2021-10-11 00:22:22,755 INFO L262 CegarLoopResult]: For program point L27(lines 27 33) no Hoare annotation was computed. [2021-10-11 00:22:22,755 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2021-10-11 00:22:22,755 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:22:22,755 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:22:22,755 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:22:22,756 INFO L262 CegarLoopResult]: For program point L28(lines 28 32) no Hoare annotation was computed. [2021-10-11 00:22:22,756 INFO L262 CegarLoopResult]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2021-10-11 00:22:22,756 INFO L258 CegarLoopResult]: At program point L61-2(lines 61 65) the Hoare annotation is: (let ((.cse0 (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)))) (and (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= ULTIMATE.start_ceil_float_~x .cse0) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse1 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) ULTIMATE.start___signbit_float_~x)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse2 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) ULTIMATE.start_main_~res~0)))) |ULTIMATE.start_main_#t~short12|)) [2021-10-11 00:22:22,756 INFO L262 CegarLoopResult]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2021-10-11 00:22:22,757 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2021-10-11 00:22:22,757 INFO L262 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-11 00:22:22,757 INFO L262 CegarLoopResult]: For program point L82-2(lines 82 85) no Hoare annotation was computed. [2021-10-11 00:22:22,757 INFO L262 CegarLoopResult]: For program point L45(lines 45 48) no Hoare annotation was computed. [2021-10-11 00:22:22,757 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:22:22,757 INFO L262 CegarLoopResult]: For program point L25(lines 25 49) no Hoare annotation was computed. [2021-10-11 00:22:22,757 INFO L265 CegarLoopResult]: At program point L87(lines 70 88) the Hoare annotation is: true [2021-10-11 00:22:22,758 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-11 00:22:22,758 INFO L262 CegarLoopResult]: For program point L50(lines 50 54) no Hoare annotation was computed. [2021-10-11 00:22:22,758 INFO L262 CegarLoopResult]: For program point L50-1(lines 15 56) no Hoare annotation was computed. [2021-10-11 00:22:22,758 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2021-10-11 00:22:22,758 INFO L262 CegarLoopResult]: For program point L38(lines 38 42) no Hoare annotation was computed. [2021-10-11 00:22:22,758 INFO L258 CegarLoopResult]: At program point L67(lines 58 68) the Hoare annotation is: (let ((.cse0 (fp (_ bv1 1) (_ bv0 8) (_ bv0 23)))) (and (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_ceil_float_~x .cse0) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse1 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)) ULTIMATE.start___signbit_float_~x)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0))) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse2 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) ULTIMATE.start_main_~res~0)))) |ULTIMATE.start_main_#t~short12|)) [2021-10-11 00:22:22,759 INFO L262 CegarLoopResult]: For program point L30(lines 30 32) no Hoare annotation was computed. [2021-10-11 00:22:22,759 INFO L262 CegarLoopResult]: For program point L26(lines 26 43) no Hoare annotation was computed. [2021-10-11 00:22:22,759 INFO L258 CegarLoopResult]: At program point L55(lines 15 56) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse0 (_ bv2147483648 32)) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) |ULTIMATE.start_ceil_float_#res|)))) (= currentRoundingMode roundNearestTiesToEven) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32))) (and (= (bvadd (bvlshr (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) (_ bv23 32)) (_ bv4294967169 32)) ULTIMATE.start_ceil_float_~j0~0) (= (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)) (fp.neg (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6|) (_ bv0 32)))) (and (= .cse1 (_ bv2147483648 32)) (= ULTIMATE.start_ceil_float_~x (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))))) [2021-10-11 00:22:22,759 INFO L262 CegarLoopResult]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2021-10-11 00:22:22,759 INFO L258 CegarLoopResult]: At program point L18-2(lines 18 22) the Hoare annotation is: (and (= ULTIMATE.start_ceil_float_~x (fp (_ bv1 1) (_ bv0 8) (_ bv0 23))) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_ceil~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)))) [2021-10-11 00:22:22,759 INFO L262 CegarLoopResult]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2021-10-11 00:22:22,760 INFO L262 CegarLoopResult]: For program point L39(lines 39 40) no Hoare annotation was computed. [2021-10-11 00:22:22,760 INFO L262 CegarLoopResult]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2021-10-11 00:22:22,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,784 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,785 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,789 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,794 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,794 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,794 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,794 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,797 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,798 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:22:22 BoogieIcfgContainer [2021-10-11 00:22:22,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:22:22,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:22:22,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:22:22,802 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:22:22,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:18" (3/4) ... [2021-10-11 00:22:22,806 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:22:22,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-11 00:22:22,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:22:22,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:22,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:22,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0])) [2021-10-11 00:22:22,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == -0.0f && __signbit_float(res) == 1-aux [2021-10-11 00:22:22,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == -0.0f && __signbit_float(res) == 1-aux [2021-10-11 00:22:22,906 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc2aa78c-3f41-49c7-8c5f-351d3eac2ff0/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:22:22,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:22:22,907 INFO L168 Benchmark]: Toolchain (without parser) took 6290.37 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 52.4 MB in the beginning and 75.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:22,908 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 71.3 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:22,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.05 ms. Allocated memory is still 71.3 MB. Free memory was 52.2 MB in the beginning and 53.1 MB in the end (delta: -847.9 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:22,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 71.3 MB. Free memory was 53.0 MB in the beginning and 51.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:22,909 INFO L168 Benchmark]: Boogie Preprocessor took 36.67 ms. Allocated memory is still 71.3 MB. Free memory was 51.3 MB in the beginning and 49.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:22,910 INFO L168 Benchmark]: RCFGBuilder took 1075.71 ms. Allocated memory is still 71.3 MB. Free memory was 49.7 MB in the beginning and 50.2 MB in the end (delta: -547.8 kB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:22,911 INFO L168 Benchmark]: TraceAbstraction took 4693.18 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 49.7 MB in the beginning and 34.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:22,911 INFO L168 Benchmark]: Witness Printer took 104.47 ms. Allocated memory is still 96.5 MB. Free memory was 33.7 MB in the beginning and 75.1 MB in the end (delta: -41.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:22,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 71.3 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.05 ms. Allocated memory is still 71.3 MB. Free memory was 52.2 MB in the beginning and 53.1 MB in the end (delta: -847.9 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 71.3 MB. Free memory was 53.0 MB in the beginning and 51.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.67 ms. Allocated memory is still 71.3 MB. Free memory was 51.3 MB in the beginning and 49.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1075.71 ms. Allocated memory is still 71.3 MB. Free memory was 49.7 MB in the beginning and 50.2 MB in the end (delta: -547.8 kB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4693.18 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 49.7 MB in the beginning and 34.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. * Witness Printer took 104.47 ms. Allocated memory is still 96.5 MB. Free memory was 33.7 MB in the beginning and 75.1 MB in the end (delta: -41.4 MB). Peak memory consumption was 2.1 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: 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: 18]: Loop Invariant [2021-10-11 00:22:22,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) - InvariantResult [Line: 61]: Loop Invariant [2021-10-11 00:22:22,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,923 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,924 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: (((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == -0.0f && __signbit_float(res) == 1-aux - InvariantResult [Line: 15]: Loop Invariant [2021-10-11 00:22:22,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,940 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,943 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: (((((\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0])) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant [2021-10-11 00:22:22,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 00:22:22,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2021-10-11 00:22:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] [2021-10-11 00:22:22,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6,QUANTIFIED] Derived loop invariant: (((((((((~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == \result && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23)) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(1bv1, 0bv8, 0bv23) == ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0])) && huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30))) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32 :: ~bvadd64(~bvlshr32(~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0), 23bv32), 4294967169bv32) == j0 && ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) && (\exists v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6 : bv32 :: unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32] == 2147483648bv32 && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_float_~#sf_u~0.base_6][0bv32][22:0]) == res)) && aux-res == -0.0f && __signbit_float(res) == 1-aux - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 138 SDslu, 89 SDs, 0 SdLazy, 81 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 367 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 163 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 67 ConstructedInterpolants, 6 QuantifiedInterpolants, 6299 SizeOfPredicates, 27 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...