./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1a8c6336781ddac35e005da0e56ac5957025880 .................................................................................................................................................................... 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_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1a8c6336781ddac35e005da0e56ac5957025880 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:38:14,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:38:14,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:38:14,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:38:14,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:38:14,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:38:14,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:38:14,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:38:14,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:38:14,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:38:14,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:38:14,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:38:14,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:38:14,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:38:14,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:38:14,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:38:14,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:38:14,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:38:14,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:38:14,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:38:14,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:38:14,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:38:14,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:38:14,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:38:14,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:38:14,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:38:14,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:38:14,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:38:14,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:38:14,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:38:14,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:38:14,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:38:14,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:38:14,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:38:14,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:38:14,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:38:14,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:38:14,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:38:14,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:38:14,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:38:14,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:38:14,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:38:14,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:38:14,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:38:14,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:38:14,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:38:14,310 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:38:14,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:38:14,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:38:14,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:38:14,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:38:14,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:38:14,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:38:14,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:38:14,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:38:14,312 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:38:14,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:38:14,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:38:14,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:38:14,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:38:14,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:38:14,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:38:14,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:38:14,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:38:14,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:38:14,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:38:14,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:38:14,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:38:14,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:38:14,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:38:14,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:38:14,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1a8c6336781ddac35e005da0e56ac5957025880 [2020-11-30 00:38:14,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:38:14,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:38:14,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:38:14,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:38:14,674 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:38:14,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c [2020-11-30 00:38:14,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data/5a476e6f6/2f32e41fa39a4f879c297362bae2ba2c/FLAG473ff30cb [2020-11-30 00:38:15,230 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:38:15,231 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/sv-benchmarks/c/float-newlib/float_req_bl_0873b.c [2020-11-30 00:38:15,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data/5a476e6f6/2f32e41fa39a4f879c297362bae2ba2c/FLAG473ff30cb [2020-11-30 00:38:15,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data/5a476e6f6/2f32e41fa39a4f879c297362bae2ba2c [2020-11-30 00:38:15,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:38:15,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:38:15,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:38:15,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:38:15,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:38:15,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:38:15" (1/1) ... [2020-11-30 00:38:15,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c83e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:15, skipping insertion in model container [2020-11-30 00:38:15,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:38:15" (1/1) ... [2020-11-30 00:38:15,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:38:15,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:38:15,929 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1682) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1971) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1577) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 00:38:15,937 INFO L168 Benchmark]: Toolchain (without parser) took 348.11 ms. Allocated memory is still 98.6 MB. Free memory was 66.9 MB in the beginning and 75.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:15,940 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 52.7 MB in the beginning and 52.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:38:15,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.61 ms. Allocated memory is still 98.6 MB. Free memory was 66.3 MB in the beginning and 75.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:15,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 52.7 MB in the beginning and 52.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 345.61 ms. Allocated memory is still 98.6 MB. Free memory was 66.3 MB in the beginning and 75.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:38:18,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:38:18,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:38:18,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:38:18,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:38:18,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:38:18,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:38:18,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:38:18,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:38:18,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:38:18,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:38:18,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:38:18,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:38:18,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:38:18,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:38:18,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:38:18,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:38:18,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:38:18,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:38:18,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:38:18,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:38:18,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:38:18,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:38:18,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:38:18,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:38:18,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:38:18,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:38:18,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:38:18,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:38:18,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:38:18,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:38:18,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:38:18,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:38:18,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:38:18,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:38:18,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:38:18,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:38:18,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:38:18,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:38:18,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:38:18,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:38:18,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:38:18,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:38:18,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:38:18,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:38:18,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:38:18,595 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:38:18,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:38:18,595 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:38:18,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:38:18,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:38:18,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:38:18,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:38:18,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:38:18,598 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:38:18,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:38:18,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:38:18,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:38:18,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:38:18,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:38:18,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:38:18,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:38:18,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:38:18,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:38:18,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:38:18,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:38:18,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:38:18,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:38:18,601 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:38:18,601 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:38:18,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:38:18,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:38:18,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:38:18,602 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_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1a8c6336781ddac35e005da0e56ac5957025880 [2020-11-30 00:38:19,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:38:19,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:38:19,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:38:19,094 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:38:19,095 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:38:19,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c [2020-11-30 00:38:19,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data/815f4fd76/2ab17897b5c44be2aae50cea20cca7ad/FLAG5bf5cd5c6 [2020-11-30 00:38:19,844 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:38:19,844 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/sv-benchmarks/c/float-newlib/float_req_bl_0873b.c [2020-11-30 00:38:19,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data/815f4fd76/2ab17897b5c44be2aae50cea20cca7ad/FLAG5bf5cd5c6 [2020-11-30 00:38:20,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/data/815f4fd76/2ab17897b5c44be2aae50cea20cca7ad [2020-11-30 00:38:20,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:38:20,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:38:20,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:38:20,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:38:20,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:38:20,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:20,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7457f300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20, skipping insertion in model container [2020-11-30 00:38:20,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:20,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:38:20,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:38:20,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:38:20,618 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:38:20,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:38:20,796 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:38:20,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20 WrapperNode [2020-11-30 00:38:20,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:38:20,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:38:20,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:38:20,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:38:20,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:20,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:20,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:38:20,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:38:20,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:38:20,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:38:20,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:20,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:20,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:20,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:21,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:21,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:21,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... [2020-11-30 00:38:21,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:38:21,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:38:21,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:38:21,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:38:21,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:38:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-30 00:38:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:38:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:38:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 00:38:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:38:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:38:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:38:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 00:38:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:38:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:38:42,124 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:38:42,124 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-11-30 00:38:42,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:38:42 BoogieIcfgContainer [2020-11-30 00:38:42,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:38:42,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:38:42,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:38:42,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:38:42,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:38:20" (1/3) ... [2020-11-30 00:38:42,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738701b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:38:42, skipping insertion in model container [2020-11-30 00:38:42,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:38:20" (2/3) ... [2020-11-30 00:38:42,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738701b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:38:42, skipping insertion in model container [2020-11-30 00:38:42,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:38:42" (3/3) ... [2020-11-30 00:38:42,136 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0873b.c [2020-11-30 00:38:42,147 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:38:42,152 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:38:42,165 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:38:42,193 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:38:42,193 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:38:42,193 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:38:42,193 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:38:42,193 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:38:42,194 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:38:42,194 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:38:42,194 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:38:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-11-30 00:38:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:38:42,217 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:38:42,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:38:42,218 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:38:42,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:38:42,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1640381008, now seen corresponding path program 1 times [2020-11-30 00:38:42,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:38:42,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561791774] [2020-11-30 00:38:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:38:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:38:43,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:38:43,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:38:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:43,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:38:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:43,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561791774] [2020-11-30 00:38:43,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:38:43,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:38:43,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430076288] [2020-11-30 00:38:43,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:38:43,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:38:43,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:38:43,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:38:43,647 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states. [2020-11-30 00:38:43,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:38:43,698 INFO L93 Difference]: Finished difference Result 393 states and 679 transitions. [2020-11-30 00:38:43,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:38:43,699 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 00:38:43,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:38:43,712 INFO L225 Difference]: With dead ends: 393 [2020-11-30 00:38:43,712 INFO L226 Difference]: Without dead ends: 194 [2020-11-30 00:38:43,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:38:43,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-11-30 00:38:43,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2020-11-30 00:38:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-11-30 00:38:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2020-11-30 00:38:43,766 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 9 [2020-11-30 00:38:43,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:38:43,767 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2020-11-30 00:38:43,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:38:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2020-11-30 00:38:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 00:38:43,768 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:38:43,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:38:43,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:38:43,976 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:38:43,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:38:43,977 INFO L82 PathProgramCache]: Analyzing trace with hash 559104083, now seen corresponding path program 1 times [2020-11-30 00:38:43,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:38:43,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560299447] [2020-11-30 00:38:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:38:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:38:45,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:38:45,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:38:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:45,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:38:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:45,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560299447] [2020-11-30 00:38:45,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:38:45,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-30 00:38:45,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159429321] [2020-11-30 00:38:45,627 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 00:38:45,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:38:45,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 00:38:45,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:38:45,629 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand 8 states. [2020-11-30 00:38:45,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:38:45,893 INFO L93 Difference]: Finished difference Result 205 states and 269 transitions. [2020-11-30 00:38:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:38:45,902 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2020-11-30 00:38:45,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:38:45,903 INFO L225 Difference]: With dead ends: 205 [2020-11-30 00:38:45,903 INFO L226 Difference]: Without dead ends: 23 [2020-11-30 00:38:45,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:38:45,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-11-30 00:38:45,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-11-30 00:38:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-30 00:38:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-11-30 00:38:45,911 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 11 [2020-11-30 00:38:45,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:38:45,912 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-11-30 00:38:45,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 00:38:45,912 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-11-30 00:38:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:38:45,913 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:38:45,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:38:46,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:38:46,135 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:38:46,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:38:46,136 INFO L82 PathProgramCache]: Analyzing trace with hash -305854994, now seen corresponding path program 1 times [2020-11-30 00:38:46,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:38:46,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996390409] [2020-11-30 00:38:46,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 00:38:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:38:47,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 00:38:47,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:38:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:47,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:38:47,549 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 00:38:47,658 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 00:38:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:47,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996390409] [2020-11-30 00:38:47,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:38:47,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-30 00:38:47,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508564701] [2020-11-30 00:38:47,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 00:38:47,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:38:47,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 00:38:47,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:38:47,813 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 10 states. [2020-11-30 00:38:48,181 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-11-30 00:38:48,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:38:48,263 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2020-11-30 00:38:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:38:48,264 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-11-30 00:38:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:38:48,265 INFO L225 Difference]: With dead ends: 29 [2020-11-30 00:38:48,265 INFO L226 Difference]: Without dead ends: 17 [2020-11-30 00:38:48,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-30 00:38:48,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-30 00:38:48,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-30 00:38:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-30 00:38:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-11-30 00:38:48,268 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 13 [2020-11-30 00:38:48,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:38:48,269 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-11-30 00:38:48,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 00:38:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-11-30 00:38:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:38:48,269 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:38:48,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:38:48,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:38:48,485 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:38:48,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:38:48,486 INFO L82 PathProgramCache]: Analyzing trace with hash 749892930, now seen corresponding path program 1 times [2020-11-30 00:38:48,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:38:48,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296213726] [2020-11-30 00:38:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 00:38:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:38:49,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:38:49,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:38:49,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:49,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:38:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:49,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296213726] [2020-11-30 00:38:49,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:38:49,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-30 00:38:49,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531410039] [2020-11-30 00:38:49,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:38:49,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:38:49,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:38:49,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:38:49,908 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 5 states. [2020-11-30 00:38:50,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:38:50,028 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-11-30 00:38:50,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:38:50,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-30 00:38:50,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:38:50,029 INFO L225 Difference]: With dead ends: 17 [2020-11-30 00:38:50,029 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:38:50,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:38:50,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:38:50,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:38:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:38:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:38:50,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-11-30 00:38:50,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:38:50,031 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:38:50,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:38:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:38:50,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:38:50,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:38:50,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:38:50,474 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-11-30 00:38:50,605 INFO L274 CegarLoopResult]: For program point L531(lines 531 533) no Hoare annotation was computed. [2020-11-30 00:38:50,605 INFO L274 CegarLoopResult]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2020-11-30 00:38:50,605 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:38:50,605 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:38:50,605 INFO L274 CegarLoopResult]: For program point L532(lines 532 533) no Hoare annotation was computed. [2020-11-30 00:38:50,605 INFO L274 CegarLoopResult]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2020-11-30 00:38:50,606 INFO L274 CegarLoopResult]: For program point L367(lines 367 368) no Hoare annotation was computed. [2020-11-30 00:38:50,606 INFO L270 CegarLoopResult]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2020-11-30 00:38:50,606 INFO L274 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-11-30 00:38:50,606 INFO L270 CegarLoopResult]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2020-11-30 00:38:50,606 INFO L274 CegarLoopResult]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2020-11-30 00:38:50,606 INFO L274 CegarLoopResult]: For program point L600(lines 600 603) no Hoare annotation was computed. [2020-11-30 00:38:50,606 INFO L274 CegarLoopResult]: For program point L501(lines 501 502) no Hoare annotation was computed. [2020-11-30 00:38:50,606 INFO L274 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-11-30 00:38:50,606 INFO L274 CegarLoopResult]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2020-11-30 00:38:50,607 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2020-11-30 00:38:50,607 INFO L270 CegarLoopResult]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (and (= (fp.div currentRoundingMode .cse0 (_ +zero 8 24)) ULTIMATE.start___ieee754_powf_~y) (= .cse0 ULTIMATE.start___ieee754_powf_~x)))) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2020-11-30 00:38:50,607 INFO L274 CegarLoopResult]: For program point L238(lines 238 243) no Hoare annotation was computed. [2020-11-30 00:38:50,607 INFO L274 CegarLoopResult]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2020-11-30 00:38:50,607 INFO L274 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2020-11-30 00:38:50,607 INFO L270 CegarLoopResult]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2020-11-30 00:38:50,607 INFO L274 CegarLoopResult]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2020-11-30 00:38:50,607 INFO L274 CegarLoopResult]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2020-11-30 00:38:50,608 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-11-30 00:38:50,608 INFO L274 CegarLoopResult]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 00:38:50,608 INFO L274 CegarLoopResult]: For program point L338(lines 338 343) no Hoare annotation was computed. [2020-11-30 00:38:50,608 INFO L274 CegarLoopResult]: For program point L239(lines 239 242) no Hoare annotation was computed. [2020-11-30 00:38:50,608 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-11-30 00:38:50,608 INFO L274 CegarLoopResult]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 00:38:50,608 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2020-11-30 00:38:50,608 INFO L270 CegarLoopResult]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2020-11-30 00:38:50,608 INFO L274 CegarLoopResult]: For program point L538(lines 538 550) no Hoare annotation was computed. [2020-11-30 00:38:50,609 INFO L274 CegarLoopResult]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2020-11-30 00:38:50,609 INFO L270 CegarLoopResult]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2020-11-30 00:38:50,609 INFO L274 CegarLoopResult]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2020-11-30 00:38:50,609 INFO L274 CegarLoopResult]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2020-11-30 00:38:50,609 INFO L274 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-11-30 00:38:50,609 INFO L270 CegarLoopResult]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2020-11-30 00:38:50,609 INFO L274 CegarLoopResult]: For program point L373(lines 373 374) no Hoare annotation was computed. [2020-11-30 00:38:50,609 INFO L274 CegarLoopResult]: For program point L340(lines 340 343) no Hoare annotation was computed. [2020-11-30 00:38:50,609 INFO L270 CegarLoopResult]: At program point L175(lines 111 176) the Hoare annotation is: false [2020-11-30 00:38:50,609 INFO L277 CegarLoopResult]: At program point L605(lines 588 606) the Hoare annotation is: true [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L341-2(line 341) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L375(lines 375 499) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2020-11-30 00:38:50,610 INFO L274 CegarLoopResult]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 00:38:50,611 INFO L270 CegarLoopResult]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2020-11-30 00:38:50,611 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2020-11-30 00:38:50,611 INFO L274 CegarLoopResult]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2020-11-30 00:38:50,611 INFO L274 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-11-30 00:38:50,611 INFO L274 CegarLoopResult]: For program point L343-2(line 343) no Hoare annotation was computed. [2020-11-30 00:38:50,611 INFO L274 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2020-11-30 00:38:50,616 INFO L274 CegarLoopResult]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 00:38:50,616 INFO L274 CegarLoopResult]: For program point L377(lines 377 378) no Hoare annotation was computed. [2020-11-30 00:38:50,616 INFO L274 CegarLoopResult]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2020-11-30 00:38:50,616 INFO L274 CegarLoopResult]: For program point L212(lines 212 213) no Hoare annotation was computed. [2020-11-30 00:38:50,617 INFO L274 CegarLoopResult]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2020-11-30 00:38:50,617 INFO L270 CegarLoopResult]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2020-11-30 00:38:50,618 INFO L274 CegarLoopResult]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2020-11-30 00:38:50,618 INFO L274 CegarLoopResult]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2020-11-30 00:38:50,618 INFO L270 CegarLoopResult]: At program point L179-2(lines 179 183) the Hoare annotation is: false [2020-11-30 00:38:50,619 INFO L274 CegarLoopResult]: For program point L179-5(lines 179 183) no Hoare annotation was computed. [2020-11-30 00:38:50,619 INFO L270 CegarLoopResult]: At program point L179-6(lines 179 183) the Hoare annotation is: false [2020-11-30 00:38:50,619 INFO L274 CegarLoopResult]: For program point L179-9(lines 179 183) no Hoare annotation was computed. [2020-11-30 00:38:50,619 INFO L270 CegarLoopResult]: At program point L179-10(lines 179 183) the Hoare annotation is: false [2020-11-30 00:38:50,619 INFO L274 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2020-11-30 00:38:50,619 INFO L274 CegarLoopResult]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 00:38:50,619 INFO L274 CegarLoopResult]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2020-11-30 00:38:50,620 INFO L274 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-11-30 00:38:50,621 INFO L274 CegarLoopResult]: For program point L345(lines 345 350) no Hoare annotation was computed. [2020-11-30 00:38:50,622 INFO L274 CegarLoopResult]: For program point L378-2(line 378) no Hoare annotation was computed. [2020-11-30 00:38:50,622 INFO L270 CegarLoopResult]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2020-11-30 00:38:50,623 INFO L274 CegarLoopResult]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2020-11-30 00:38:50,623 INFO L274 CegarLoopResult]: For program point L577(lines 577 584) no Hoare annotation was computed. [2020-11-30 00:38:50,623 INFO L274 CegarLoopResult]: For program point L379(lines 379 380) no Hoare annotation was computed. [2020-11-30 00:38:50,623 INFO L274 CegarLoopResult]: For program point L346(lines 346 349) no Hoare annotation was computed. [2020-11-30 00:38:50,623 INFO L274 CegarLoopResult]: For program point L214(lines 214 215) no Hoare annotation was computed. [2020-11-30 00:38:50,623 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-11-30 00:38:50,624 INFO L274 CegarLoopResult]: For program point L380-2(line 380) no Hoare annotation was computed. [2020-11-30 00:38:50,624 INFO L274 CegarLoopResult]: For program point L149(lines 149 153) no Hoare annotation was computed. [2020-11-30 00:38:50,625 INFO L274 CegarLoopResult]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2020-11-30 00:38:50,626 INFO L274 CegarLoopResult]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2020-11-30 00:38:50,626 INFO L270 CegarLoopResult]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2020-11-30 00:38:50,626 INFO L274 CegarLoopResult]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2020-11-30 00:38:50,626 INFO L274 CegarLoopResult]: For program point L216(lines 216 226) no Hoare annotation was computed. [2020-11-30 00:38:50,626 INFO L274 CegarLoopResult]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2020-11-30 00:38:50,626 INFO L274 CegarLoopResult]: For program point L547(lines 547 548) no Hoare annotation was computed. [2020-11-30 00:38:50,627 INFO L274 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-11-30 00:38:50,627 INFO L270 CegarLoopResult]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2020-11-30 00:38:50,627 INFO L274 CegarLoopResult]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2020-11-30 00:38:50,627 INFO L274 CegarLoopResult]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2020-11-30 00:38:50,627 INFO L274 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2020-11-30 00:38:50,627 INFO L274 CegarLoopResult]: For program point L316(lines 316 317) no Hoare annotation was computed. [2020-11-30 00:38:50,628 INFO L270 CegarLoopResult]: At program point L250(lines 201 251) the Hoare annotation is: false [2020-11-30 00:38:50,628 INFO L274 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-11-30 00:38:50,628 INFO L274 CegarLoopResult]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2020-11-30 00:38:50,628 INFO L274 CegarLoopResult]: For program point L184-3(lines 184 188) no Hoare annotation was computed. [2020-11-30 00:38:50,628 INFO L274 CegarLoopResult]: For program point L184-4(lines 177 195) no Hoare annotation was computed. [2020-11-30 00:38:50,629 INFO L274 CegarLoopResult]: For program point L184-6(lines 184 188) no Hoare annotation was computed. [2020-11-30 00:38:50,629 INFO L274 CegarLoopResult]: For program point L184-7(lines 177 195) no Hoare annotation was computed. [2020-11-30 00:38:50,629 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:38:50,630 INFO L274 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-11-30 00:38:50,630 INFO L270 CegarLoopResult]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2020-11-30 00:38:50,630 INFO L274 CegarLoopResult]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2020-11-30 00:38:50,630 INFO L274 CegarLoopResult]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2020-11-30 00:38:50,630 INFO L270 CegarLoopResult]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2020-11-30 00:38:50,630 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 00:38:50,631 INFO L274 CegarLoopResult]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2020-11-30 00:38:50,631 INFO L274 CegarLoopResult]: For program point L351(lines 351 352) no Hoare annotation was computed. [2020-11-30 00:38:50,631 INFO L274 CegarLoopResult]: For program point L319(lines 319 324) no Hoare annotation was computed. [2020-11-30 00:38:50,631 INFO L274 CegarLoopResult]: For program point L353(lines 353 356) no Hoare annotation was computed. [2020-11-30 00:38:50,631 INFO L274 CegarLoopResult]: For program point L320(lines 320 323) no Hoare annotation was computed. [2020-11-30 00:38:50,631 INFO L274 CegarLoopResult]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2020-11-30 00:38:50,631 INFO L274 CegarLoopResult]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2020-11-30 00:38:50,632 INFO L270 CegarLoopResult]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2020-11-30 00:38:50,632 INFO L270 CegarLoopResult]: At program point L585(lines 297 586) the Hoare annotation is: (let ((.cse2 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (fp.div currentRoundingMode .cse0 (_ +zero 8 24))) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3)))))) (exists ((ULTIMATE.start___ieee754_powf_~hy~1 (_ BitVec 32)) (ULTIMATE.start___ieee754_powf_~hx~3 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (fp.div currentRoundingMode .cse1 (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hx~3) ULTIMATE.start___ieee754_powf_~ix~5) (= ULTIMATE.start___ieee754_powf_~iy~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hy~1)) (= .cse1 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3)))))) (= |ULTIMATE.start___ieee754_powf_#res| .cse2) (exists ((currentRoundingMode RoundingMode)) (let ((.cse3 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (and (= (fp.div currentRoundingMode .cse3 (_ +zero 8 24)) ULTIMATE.start___ieee754_powf_~y) (= .cse3 ULTIMATE.start___ieee754_powf_~x)))) (= ~one_pow~0 .cse2))) [2020-11-30 00:38:50,632 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2020-11-30 00:38:50,632 INFO L270 CegarLoopResult]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2020-11-30 00:38:50,633 INFO L274 CegarLoopResult]: For program point L354(lines 354 355) no Hoare annotation was computed. [2020-11-30 00:38:50,633 INFO L274 CegarLoopResult]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2020-11-30 00:38:50,633 INFO L270 CegarLoopResult]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2020-11-30 00:38:50,633 INFO L274 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-11-30 00:38:50,633 INFO L274 CegarLoopResult]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2020-11-30 00:38:50,633 INFO L274 CegarLoopResult]: For program point L123(lines 123 124) no Hoare annotation was computed. [2020-11-30 00:38:50,634 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2020-11-30 00:38:50,634 INFO L274 CegarLoopResult]: For program point L189-3(lines 189 193) no Hoare annotation was computed. [2020-11-30 00:38:50,634 INFO L274 CegarLoopResult]: For program point L189-4(lines 177 195) no Hoare annotation was computed. [2020-11-30 00:38:50,634 INFO L274 CegarLoopResult]: For program point L189-5(lines 189 193) no Hoare annotation was computed. [2020-11-30 00:38:50,636 INFO L274 CegarLoopResult]: For program point L189-6(lines 189 193) no Hoare annotation was computed. [2020-11-30 00:38:50,636 INFO L274 CegarLoopResult]: For program point L189-7(lines 177 195) no Hoare annotation was computed. [2020-11-30 00:38:50,636 INFO L274 CegarLoopResult]: For program point L189-8(lines 189 193) no Hoare annotation was computed. [2020-11-30 00:38:50,636 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:38:50,637 INFO L274 CegarLoopResult]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2020-11-30 00:38:50,637 INFO L270 CegarLoopResult]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2020-11-30 00:38:50,637 INFO L274 CegarLoopResult]: For program point L224(lines 224 225) no Hoare annotation was computed. [2020-11-30 00:38:50,638 INFO L274 CegarLoopResult]: For program point L158(lines 158 167) no Hoare annotation was computed. [2020-11-30 00:38:50,638 INFO L274 CegarLoopResult]: For program point L522(lines 522 534) no Hoare annotation was computed. [2020-11-30 00:38:50,638 INFO L274 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-11-30 00:38:50,638 INFO L274 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-11-30 00:38:50,638 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-30 00:38:50,638 INFO L274 CegarLoopResult]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 00:38:50,639 INFO L274 CegarLoopResult]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2020-11-30 00:38:50,639 INFO L274 CegarLoopResult]: For program point L259(lines 259 263) no Hoare annotation was computed. [2020-11-30 00:38:50,639 INFO L274 CegarLoopResult]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2020-11-30 00:38:50,639 INFO L274 CegarLoopResult]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2020-11-30 00:38:50,639 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-11-30 00:38:50,639 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:38:50,640 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-11-30 00:38:50,640 INFO L274 CegarLoopResult]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 00:38:50,640 INFO L274 CegarLoopResult]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2020-11-30 00:38:50,641 INFO L274 CegarLoopResult]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2020-11-30 00:38:50,642 INFO L274 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-11-30 00:38:50,645 INFO L270 CegarLoopResult]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2020-11-30 00:38:50,646 INFO L274 CegarLoopResult]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2020-11-30 00:38:50,646 INFO L274 CegarLoopResult]: For program point L326(lines 326 335) no Hoare annotation was computed. [2020-11-30 00:38:50,646 INFO L274 CegarLoopResult]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2020-11-30 00:38:50,646 INFO L274 CegarLoopResult]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2020-11-30 00:38:50,646 INFO L270 CegarLoopResult]: At program point L194(lines 177 195) the Hoare annotation is: false [2020-11-30 00:38:50,646 INFO L270 CegarLoopResult]: At program point L194-1(lines 177 195) the Hoare annotation is: false [2020-11-30 00:38:50,647 INFO L274 CegarLoopResult]: For program point L128(lines 128 129) no Hoare annotation was computed. [2020-11-30 00:38:50,647 INFO L270 CegarLoopResult]: At program point L194-2(lines 177 195) the Hoare annotation is: false [2020-11-30 00:38:50,647 INFO L274 CegarLoopResult]: For program point L525(lines 525 527) no Hoare annotation was computed. [2020-11-30 00:38:50,647 INFO L274 CegarLoopResult]: For program point L360(lines 360 371) no Hoare annotation was computed. [2020-11-30 00:38:50,647 INFO L274 CegarLoopResult]: For program point L327(lines 327 334) no Hoare annotation was computed. [2020-11-30 00:38:50,649 INFO L274 CegarLoopResult]: For program point L228(lines 228 229) no Hoare annotation was computed. [2020-11-30 00:38:50,649 INFO L274 CegarLoopResult]: For program point L162(lines 162 165) no Hoare annotation was computed. [2020-11-30 00:38:50,649 INFO L274 CegarLoopResult]: For program point L526(lines 526 527) no Hoare annotation was computed. [2020-11-30 00:38:50,649 INFO L274 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-11-30 00:38:50,649 INFO L274 CegarLoopResult]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 00:38:50,650 INFO L274 CegarLoopResult]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2020-11-30 00:38:50,650 INFO L274 CegarLoopResult]: For program point L362(lines 362 363) no Hoare annotation was computed. [2020-11-30 00:38:50,650 INFO L274 CegarLoopResult]: For program point L329(lines 329 334) no Hoare annotation was computed. [2020-11-30 00:38:50,651 INFO L274 CegarLoopResult]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2020-11-30 00:38:50,651 INFO L274 CegarLoopResult]: For program point L230(lines 230 237) no Hoare annotation was computed. [2020-11-30 00:38:50,651 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:38:50,652 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:38:50,662 INFO L270 CegarLoopResult]: At program point L264(lines 252 265) the Hoare annotation is: false [2020-11-30 00:38:50,662 INFO L274 CegarLoopResult]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2020-11-30 00:38:50,662 INFO L270 CegarLoopResult]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2020-11-30 00:38:50,662 INFO L274 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-11-30 00:38:50,662 INFO L274 CegarLoopResult]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2020-11-30 00:38:50,663 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2020-11-30 00:38:50,663 INFO L274 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-11-30 00:38:50,663 INFO L274 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-11-30 00:38:50,663 INFO L274 CegarLoopResult]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2020-11-30 00:38:50,663 INFO L274 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2020-11-30 00:38:50,663 INFO L274 CegarLoopResult]: For program point L364(lines 364 369) no Hoare annotation was computed. [2020-11-30 00:38:50,663 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2020-11-30 00:38:50,664 INFO L270 CegarLoopResult]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2020-11-30 00:38:50,664 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2020-11-30 00:38:50,664 INFO L274 CegarLoopResult]: For program point L365(lines 365 368) no Hoare annotation was computed. [2020-11-30 00:38:50,664 INFO L274 CegarLoopResult]: For program point L332(lines 332 333) no Hoare annotation was computed. [2020-11-30 00:38:50,678 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,679 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,680 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,682 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,683 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,684 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,689 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,690 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,693 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,702 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,703 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,704 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,715 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:38:50 BoogieIcfgContainer [2020-11-30 00:38:50,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:38:50,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:38:50,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:38:50,727 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:38:50,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:38:42" (3/4) ... [2020-11-30 00:38:50,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:38:50,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:38:50,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-30 00:38:50,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:38:50,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:38:50,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) [2020-11-30 00:38:50,876 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aa5c6918-ed02-4b67-9ef4-bb87bb191f68/bin/uautomizer/witness.graphml [2020-11-30 00:38:50,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:38:50,878 INFO L168 Benchmark]: Toolchain (without parser) took 30734.10 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 48.8 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:50,878 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 69.2 MB. Free memory is still 50.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:38:50,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.41 ms. Allocated memory is still 69.2 MB. Free memory was 48.6 MB in the beginning and 42.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:50,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.96 ms. Allocated memory is still 69.2 MB. Free memory was 42.4 MB in the beginning and 37.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:50,884 INFO L168 Benchmark]: Boogie Preprocessor took 176.29 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 37.1 MB in the beginning and 66.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:50,884 INFO L168 Benchmark]: RCFGBuilder took 21019.20 ms. Allocated memory is still 88.1 MB. Free memory was 66.5 MB in the beginning and 52.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:50,884 INFO L168 Benchmark]: TraceAbstraction took 8597.93 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 60.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:50,885 INFO L168 Benchmark]: Witness Printer took 149.31 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 47.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:38:50,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 69.2 MB. Free memory is still 50.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 652.41 ms. Allocated memory is still 69.2 MB. Free memory was 48.6 MB in the beginning and 42.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.96 ms. Allocated memory is still 69.2 MB. Free memory was 42.4 MB in the beginning and 37.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 176.29 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 37.1 MB in the beginning and 66.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21019.20 ms. Allocated memory is still 88.1 MB. Free memory was 66.5 MB in the beginning and 52.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8597.93 ms. Allocated memory is still 88.1 MB. Free memory was 52.2 MB in the beginning and 60.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. * Witness Printer took 149.31 ms. Allocated memory is still 88.1 MB. Free memory was 60.3 MB in the beginning and 47.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant [2020-11-30 00:38:50,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,906 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,907 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,908 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,909 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,911 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,912 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,913 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2020-11-30 00:38:50,914 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,915 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2020-11-30 00:38:50,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,916 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,918 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists ULTIMATE.start___ieee754_powf_~hy~1 : bv32, ULTIMATE.start___ieee754_powf_~hx~3 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hy~1[31:31], ULTIMATE.start___ieee754_powf_~hy~1[30:23], ULTIMATE.start___ieee754_powf_~hy~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hx~3) == ix) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hy~1)) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hx~3[31:31], ULTIMATE.start___ieee754_powf_~hx~3[30:23], ULTIMATE.start___ieee754_powf_~hx~3[22:0]))) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x)) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant [2020-11-30 00:38:50,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-30 00:38:50,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 00:38:50,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.0s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 293 SDtfs, 175 SDslu, 39 SDs, 0 SdLazy, 36 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 35 NumberOfFragments, 155 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 90 ConstructedInterpolants, 19 QuantifiedInterpolants, 8798 SizeOfPredicates, 26 NumberOfNonLiveVariables, 482 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...