./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.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-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 755a3cc6a0c274616c745647082171c18148354d .......................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 755a3cc6a0c274616c745647082171c18148354d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:13:16,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:13:16,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:13:16,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:13:16,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:13:16,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:13:16,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:13:16,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:13:16,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:13:16,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:13:16,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:13:16,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:13:16,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:13:16,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:13:16,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:13:16,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:13:16,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:13:16,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:13:16,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:13:16,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:13:16,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:13:16,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:13:16,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:13:16,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:13:16,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:13:16,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:13:16,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:13:16,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:13:16,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:13:16,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:13:16,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:13:16,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:13:16,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:13:16,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:13:16,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:13:16,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:13:16,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:13:16,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:13:16,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:13:16,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:13:16,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:13:16,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 19:13:16,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:13:16,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:13:16,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:13:16,198 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:13:16,198 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:13:16,198 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:13:16,198 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:13:16,198 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:13:16,199 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:13:16,199 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:13:16,199 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:13:16,199 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:13:16,200 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:13:16,200 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:13:16,200 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:13:16,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:13:16,201 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:13:16,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:13:16,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:13:16,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:13:16,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:13:16,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:13:16,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:13:16,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:13:16,202 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:13:16,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:13:16,203 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:13:16,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:13:16,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:13:16,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:13:16,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:13:16,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:13:16,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:13:16,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:13:16,204 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:13:16,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:13:16,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:13:16,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:13:16,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:13:16,205 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755a3cc6a0c274616c745647082171c18148354d [2020-12-09 19:13:16,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:13:16,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:13:16,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:13:16,396 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:13:16,397 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:13:16,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-12-09 19:13:16,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data/9ed955455/9e0b536d38f9401ea267819083cba3c7/FLAG5e9ccd9ad [2020-12-09 19:13:16,803 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:13:16,804 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-12-09 19:13:16,810 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data/9ed955455/9e0b536d38f9401ea267819083cba3c7/FLAG5e9ccd9ad [2020-12-09 19:13:16,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data/9ed955455/9e0b536d38f9401ea267819083cba3c7 [2020-12-09 19:13:16,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:13:16,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:13:16,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:13:16,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:13:16,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:13:16,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:13:16" (1/1) ... [2020-12-09 19:13:16,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146141f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:16, skipping insertion in model container [2020-12-09 19:13:16,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:13:16" (1/1) ... [2020-12-09 19:13:16,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:13:16,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:13:16,987 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2020-12-09 19:13:16,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:13:16,994 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:13:17,019 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2020-12-09 19:13:17,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:13:17,030 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:13:17,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17 WrapperNode [2020-12-09 19:13:17,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:13:17,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:13:17,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:13:17,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:13:17,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:13:17,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:13:17,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:13:17,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:13:17,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... [2020-12-09 19:13:17,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:13:17,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:13:17,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:13:17,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:13:17,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/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 [2020-12-09 19:13:17,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 19:13:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:13:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 19:13:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 19:13:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 19:13:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:13:17,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:13:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 19:13:17,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 19:13:17,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:13:17,741 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-09 19:13:17,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:13:17 BoogieIcfgContainer [2020-12-09 19:13:17,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:13:17,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:13:17,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:13:17,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:13:17,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:13:16" (1/3) ... [2020-12-09 19:13:17,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb2ddf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:13:17, skipping insertion in model container [2020-12-09 19:13:17,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:17" (2/3) ... [2020-12-09 19:13:17,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb2ddf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:13:17, skipping insertion in model container [2020-12-09 19:13:17,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:13:17" (3/3) ... [2020-12-09 19:13:17,751 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2020-12-09 19:13:17,764 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:13:17,767 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 19:13:17,777 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 19:13:17,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:13:17,793 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 19:13:17,794 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:13:17,794 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:13:17,794 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:13:17,794 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:13:17,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:13:17,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:13:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-12-09 19:13:17,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 19:13:17,807 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:13:17,807 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 19:13:17,807 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:13:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:13:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash -2078407839, now seen corresponding path program 1 times [2020-12-09 19:13:17,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:13:17,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517464916] [2020-12-09 19:13:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:13:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:13:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:13:17,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517464916] [2020-12-09 19:13:17,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:13:17,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:13:17,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541263412] [2020-12-09 19:13:17,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 19:13:17,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 19:13:17,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 19:13:17,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 19:13:17,929 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-12-09 19:13:17,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:13:17,940 INFO L93 Difference]: Finished difference Result 45 states and 71 transitions. [2020-12-09 19:13:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 19:13:17,941 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-12-09 19:13:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:13:17,947 INFO L225 Difference]: With dead ends: 45 [2020-12-09 19:13:17,947 INFO L226 Difference]: Without dead ends: 21 [2020-12-09 19:13:17,949 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 [2020-12-09 19:13:17,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-09 19:13:17,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-09 19:13:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-09 19:13:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2020-12-09 19:13:17,970 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 29 transitions. Word has length 6 [2020-12-09 19:13:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:13:17,970 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 29 transitions. [2020-12-09 19:13:17,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 19:13:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2020-12-09 19:13:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 19:13:17,971 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:13:17,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:13:17,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 19:13:17,971 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:13:17,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:13:17,972 INFO L82 PathProgramCache]: Analyzing trace with hash -218413506, now seen corresponding path program 1 times [2020-12-09 19:13:17,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 19:13:17,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602818014] [2020-12-09 19:13:17,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 19:13:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 19:13:18,002 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 19:13:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 19:13:18,019 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 19:13:18,035 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 19:13:18,035 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 19:13:18,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 19:13:18,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:13:18 BoogieIcfgContainer [2020-12-09 19:13:18,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 19:13:18,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 19:13:18,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 19:13:18,053 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 19:13:18,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:13:17" (3/4) ... [2020-12-09 19:13:18,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 19:13:18,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 19:13:18,057 INFO L168 Benchmark]: Toolchain (without parser) took 1233.88 ms. Allocated memory is still 125.8 MB. Free memory was 74.3 MB in the beginning and 63.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:18,057 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 90.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:13:18,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.69 ms. Allocated memory is still 125.8 MB. Free memory was 74.1 MB in the beginning and 100.2 MB in the end (delta: -26.2 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:18,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.22 ms. Allocated memory is still 125.8 MB. Free memory was 100.2 MB in the beginning and 98.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:18,059 INFO L168 Benchmark]: Boogie Preprocessor took 25.49 ms. Allocated memory is still 125.8 MB. Free memory was 97.9 MB in the beginning and 96.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:18,059 INFO L168 Benchmark]: RCFGBuilder took 654.74 ms. Allocated memory is still 125.8 MB. Free memory was 96.2 MB in the beginning and 86.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:18,060 INFO L168 Benchmark]: TraceAbstraction took 307.93 ms. Allocated memory is still 125.8 MB. Free memory was 85.7 MB in the beginning and 63.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:18,060 INFO L168 Benchmark]: Witness Printer took 2.70 ms. Allocated memory is still 125.8 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:13:18,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory is still 90.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 206.69 ms. Allocated memory is still 125.8 MB. Free memory was 74.1 MB in the beginning and 100.2 MB in the end (delta: -26.2 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.22 ms. Allocated memory is still 125.8 MB. Free memory was 100.2 MB in the beginning and 98.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.49 ms. Allocated memory is still 125.8 MB. Free memory was 97.9 MB in the beginning and 96.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 654.74 ms. Allocated memory is still 125.8 MB. Free memory was 96.2 MB in the beginning and 86.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 307.93 ms. Allocated memory is still 125.8 MB. Free memory was 85.7 MB in the beginning and 63.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 2.70 ms. Allocated memory is still 125.8 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 146]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L141] double x = -1.0 / 0.0; [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L142] double res = __ieee754_sqrt(x); [L132] return x != x; [L145] COND TRUE !isnan_double(res) [L146] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 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=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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 [2020-12-09 19:13:19,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:13:19,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:13:19,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:13:19,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:13:19,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:13:19,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:13:19,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:13:19,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:13:19,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:13:19,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:13:19,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:13:19,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:13:19,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:13:19,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:13:19,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:13:19,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:13:19,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:13:19,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:13:19,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:13:19,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:13:19,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:13:19,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:13:19,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:13:19,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:13:19,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:13:19,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:13:19,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:13:19,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:13:19,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:13:19,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:13:19,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:13:19,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:13:19,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:13:19,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:13:19,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:13:19,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:13:19,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:13:19,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:13:19,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:13:19,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:13:19,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 19:13:19,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:13:19,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:13:19,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:13:19,775 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:13:19,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:13:19,776 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:13:19,776 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:13:19,776 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:13:19,776 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:13:19,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:13:19,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 19:13:19,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 19:13:19,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:13:19,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 19:13:19,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:13:19,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 19:13:19,778 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:13:19,778 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 19:13:19,778 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 19:13:19,778 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 19:13:19,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 19:13:19,778 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:13:19,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 19:13:19,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:13:19,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 19:13:19,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:13:19,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:13:19,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:13:19,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:13:19,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 19:13:19,779 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 19:13:19,779 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 19:13:19,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 19:13:19,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:13:19,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:13:19,780 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-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755a3cc6a0c274616c745647082171c18148354d [2020-12-09 19:13:20,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:13:20,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:13:20,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:13:20,019 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:13:20,020 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:13:20,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-12-09 19:13:20,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data/da9aef2d4/70dc3c69a98148e0804406db082c015d/FLAG4c1c30ba7 [2020-12-09 19:13:20,452 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:13:20,452 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-12-09 19:13:20,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data/da9aef2d4/70dc3c69a98148e0804406db082c015d/FLAG4c1c30ba7 [2020-12-09 19:13:20,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/data/da9aef2d4/70dc3c69a98148e0804406db082c015d [2020-12-09 19:13:20,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:13:20,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:13:20,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:13:20,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:13:20,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:13:20,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b2d5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20, skipping insertion in model container [2020-12-09 19:13:20,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:13:20,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:13:20,628 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2020-12-09 19:13:20,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:13:20,640 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 19:13:20,683 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/sv-benchmarks/c/float-newlib/double_req_bl_0740.c[3071,3084] [2020-12-09 19:13:20,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 19:13:20,702 INFO L208 MainTranslator]: Completed translation [2020-12-09 19:13:20,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20 WrapperNode [2020-12-09 19:13:20,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:13:20,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 19:13:20,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 19:13:20,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 19:13:20,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 19:13:20,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 19:13:20,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 19:13:20,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 19:13:20,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... [2020-12-09 19:13:20,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 19:13:20,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 19:13:20,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 19:13:20,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 19:13:20,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/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 [2020-12-09 19:13:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-09 19:13:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-09 19:13:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 19:13:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 19:13:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 19:13:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 19:13:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 19:13:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 19:13:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 19:13:25,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 19:13:25,855 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-09 19:13:25,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:13:25 BoogieIcfgContainer [2020-12-09 19:13:25,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 19:13:25,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 19:13:25,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 19:13:25,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 19:13:25,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:13:20" (1/3) ... [2020-12-09 19:13:25,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@841e0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:13:25, skipping insertion in model container [2020-12-09 19:13:25,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:13:20" (2/3) ... [2020-12-09 19:13:25,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@841e0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:13:25, skipping insertion in model container [2020-12-09 19:13:25,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:13:25" (3/3) ... [2020-12-09 19:13:25,863 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2020-12-09 19:13:25,874 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 19:13:25,877 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 19:13:25,884 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 19:13:25,901 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 19:13:25,901 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 19:13:25,901 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 19:13:25,901 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 19:13:25,901 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 19:13:25,901 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 19:13:25,901 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 19:13:25,902 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 19:13:25,910 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2020-12-09 19:13:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 19:13:25,914 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:13:25,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:13:25,914 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:13:25,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:13:25,918 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2020-12-09 19:13:25,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:13:25,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645714722] [2020-12-09 19:13:25,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/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 [2020-12-09 19:13:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:13:26,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 19:13:26,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:13:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:13:26,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:13:26,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645714722] [2020-12-09 19:13:26,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:13:26,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 19:13:26,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820491193] [2020-12-09 19:13:26,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 19:13:26,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:13:26,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 19:13:26,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 19:13:26,285 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2020-12-09 19:13:26,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:13:26,305 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2020-12-09 19:13:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 19:13:26,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 19:13:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:13:26,316 INFO L225 Difference]: With dead ends: 96 [2020-12-09 19:13:26,316 INFO L226 Difference]: Without dead ends: 46 [2020-12-09 19:13:26,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 19:13:26,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-12-09 19:13:26,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-12-09 19:13:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-09 19:13:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-12-09 19:13:26,345 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2020-12-09 19:13:26,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:13:26,346 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-12-09 19:13:26,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 19:13:26,346 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-12-09 19:13:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 19:13:26,346 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:13:26,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:13:26,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 19:13:26,548 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:13:26,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:13:26,549 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2020-12-09 19:13:26,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:13:26,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864085717] [2020-12-09 19:13:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/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 [2020-12-09 19:13:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:13:26,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 19:13:26,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:13:27,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:13:27,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:13:27,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864085717] [2020-12-09 19:13:27,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:13:27,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 19:13:27,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39754501] [2020-12-09 19:13:27,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 19:13:27,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:13:27,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 19:13:27,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 19:13:27,114 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 7 states. [2020-12-09 19:13:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:13:31,807 INFO L93 Difference]: Finished difference Result 56 states and 73 transitions. [2020-12-09 19:13:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 19:13:31,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 9 [2020-12-09 19:13:31,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:13:31,809 INFO L225 Difference]: With dead ends: 56 [2020-12-09 19:13:31,809 INFO L226 Difference]: Without dead ends: 51 [2020-12-09 19:13:31,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 19:13:31,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-09 19:13:31,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2020-12-09 19:13:31,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-09 19:13:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 64 transitions. [2020-12-09 19:13:31,819 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 64 transitions. Word has length 9 [2020-12-09 19:13:31,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:13:31,820 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 64 transitions. [2020-12-09 19:13:31,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 19:13:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2020-12-09 19:13:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 19:13:31,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 19:13:31,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 19:13:32,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 19:13:32,023 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 19:13:32,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 19:13:32,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236654, now seen corresponding path program 1 times [2020-12-09 19:13:32,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 19:13:32,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723513289] [2020-12-09 19:13:32,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/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 [2020-12-09 19:13:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 19:13:32,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 19:13:32,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 19:13:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 19:13:32,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 19:13:32,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723513289] [2020-12-09 19:13:32,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 19:13:32,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 19:13:32,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822275969] [2020-12-09 19:13:32,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 19:13:32,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 19:13:32,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 19:13:32,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 19:13:32,277 INFO L87 Difference]: Start difference. First operand 46 states and 64 transitions. Second operand 4 states. [2020-12-09 19:13:32,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 19:13:32,357 INFO L93 Difference]: Finished difference Result 46 states and 64 transitions. [2020-12-09 19:13:32,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 19:13:32,358 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-12-09 19:13:32,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 19:13:32,358 INFO L225 Difference]: With dead ends: 46 [2020-12-09 19:13:32,358 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 19:13:32,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 19:13:32,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 19:13:32,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 19:13:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 19:13:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 19:13:32,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-09 19:13:32,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 19:13:32,359 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 19:13:32,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 19:13:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 19:13:32,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 19:13:32,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 19:13:32,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 19:13:32,816 INFO L262 CegarLoopResult]: For program point L60(lines 60 63) no Hoare annotation was computed. [2020-12-09 19:13:32,816 INFO L262 CegarLoopResult]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2020-12-09 19:13:32,816 INFO L262 CegarLoopResult]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2020-12-09 19:13:32,816 INFO L258 CegarLoopResult]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2020-12-09 19:13:32,816 INFO L262 CegarLoopResult]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2020-12-09 19:13:32,816 INFO L262 CegarLoopResult]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L258 CegarLoopResult]: At program point L52-3(lines 52 53) the Hoare annotation is: false [2020-12-09 19:13:32,817 INFO L262 CegarLoopResult]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L262 CegarLoopResult]: For program point L110(lines 110 111) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L262 CegarLoopResult]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L262 CegarLoopResult]: For program point L102(lines 102 116) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L262 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L262 CegarLoopResult]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2020-12-09 19:13:32,817 INFO L258 CegarLoopResult]: At program point L128(lines 21 129) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|)) [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L87(lines 87 96) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L145(lines 145 148) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L46(lines 46 57) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L104(lines 104 115) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L38(lines 38 43) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L258 CegarLoopResult]: At program point L71-2(lines 71 81) the Hoare annotation is: false [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2020-12-09 19:13:32,818 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L258 CegarLoopResult]: At program point L47-2(lines 47 51) the Hoare annotation is: false [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L39(lines 39 42) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L89(lines 89 90) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L258 CegarLoopResult]: At program point L122-2(lines 122 127) the Hoare annotation is: false [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L106(lines 106 114) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L73(lines 73 77) no Hoare annotation was computed. [2020-12-09 19:13:32,819 INFO L262 CegarLoopResult]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2020-12-09 19:13:32,820 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 19:13:32,820 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 146) no Hoare annotation was computed. [2020-12-09 19:13:32,820 INFO L262 CegarLoopResult]: For program point L41(lines 41 42) no Hoare annotation was computed. [2020-12-09 19:13:32,820 INFO L258 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-12-09 19:13:32,820 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 19:13:32,820 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-12-09 19:13:32,820 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-12-09 19:13:32,820 INFO L265 CegarLoopResult]: At program point L150(lines 134 151) the Hoare annotation is: true [2020-12-09 19:13:32,820 INFO L258 CegarLoopResult]: At program point L84-2(lines 84 100) the Hoare annotation is: false [2020-12-09 19:13:32,821 INFO L262 CegarLoopResult]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2020-12-09 19:13:32,821 INFO L262 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-12-09 19:13:32,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:13:32 BoogieIcfgContainer [2020-12-09 19:13:32,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 19:13:32,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 19:13:32,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 19:13:32,841 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 19:13:32,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:13:25" (3/4) ... [2020-12-09 19:13:32,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 19:13:32,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-09 19:13:32,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 19:13:32,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 19:13:32,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 19:13:32,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result [2020-12-09 19:13:32,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && 1bv32 == \result [2020-12-09 19:13:32,893 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4f19e5c3-9595-4c78-8a70-4370f392b807/bin/utaipan/witness.graphml [2020-12-09 19:13:32,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 19:13:32,894 INFO L168 Benchmark]: Toolchain (without parser) took 12417.84 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 58.8 MB in the beginning and 76.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:32,894 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:13:32,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.91 ms. Allocated memory is still 73.4 MB. Free memory was 58.5 MB in the beginning and 55.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:32,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.60 ms. Allocated memory is still 73.4 MB. Free memory was 54.9 MB in the beginning and 53.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:32,895 INFO L168 Benchmark]: Boogie Preprocessor took 30.23 ms. Allocated memory is still 73.4 MB. Free memory was 53.0 MB in the beginning and 51.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:32,896 INFO L168 Benchmark]: RCFGBuilder took 5079.63 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 51.0 MB in the beginning and 80.5 MB in the end (delta: -29.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:32,896 INFO L168 Benchmark]: TraceAbstraction took 6982.76 ms. Allocated memory is still 109.1 MB. Free memory was 80.1 MB in the beginning and 80.5 MB in the end (delta: -415.4 kB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:32,896 INFO L168 Benchmark]: Witness Printer took 51.94 ms. Allocated memory is still 109.1 MB. Free memory was 80.5 MB in the beginning and 76.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:13:32,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 73.4 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 225.91 ms. Allocated memory is still 73.4 MB. Free memory was 58.5 MB in the beginning and 55.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.60 ms. Allocated memory is still 73.4 MB. Free memory was 54.9 MB in the beginning and 53.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.23 ms. Allocated memory is still 73.4 MB. Free memory was 53.0 MB in the beginning and 51.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 5079.63 ms. Allocated memory was 73.4 MB in the beginning and 109.1 MB in the end (delta: 35.7 MB). Free memory was 51.0 MB in the beginning and 80.5 MB in the end (delta: -29.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6982.76 ms. Allocated memory is still 109.1 MB. Free memory was 80.1 MB in the beginning and 80.5 MB in the end (delta: -415.4 kB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. * Witness Printer took 51.94 ms. Allocated memory is still 109.1 MB. Free memory was 80.5 MB in the beginning and 76.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 146]: 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: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2020-12-09 19:13:32,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant [2020-12-09 19:13:32,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 132]: Loop Invariant [2020-12-09 19:13:32,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 19:13:32,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && 1bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 127 SDtfs, 132 SDslu, 173 SDs, 0 SdLazy, 35 SolverSat, 0 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 102 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 3 QuantifiedInterpolants, 1247 SizeOfPredicates, 15 NumberOfNonLiveVariables, 134 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...