./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa --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 b12ad43dcef9bdc0311576ea572488b026584491d49ef5bf04de4ece861047f6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:32:20,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:32:20,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:32:20,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:32:20,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:32:20,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:32:20,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:32:20,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:32:20,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:32:20,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:32:20,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:32:20,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:32:20,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:32:20,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:32:20,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:32:20,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:32:20,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:32:20,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:32:20,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:32:20,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:32:20,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:32:20,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:32:20,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:32:20,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:32:20,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:32:20,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:32:20,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:32:20,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:32:20,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:32:20,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:32:20,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:32:20,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:32:20,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:32:20,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:32:20,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:32:20,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:32:20,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:32:20,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:32:20,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:32:20,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:32:20,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:32:20,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:32:20,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:32:20,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:32:20,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:32:20,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:32:20,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:32:20,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:32:20,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:32:20,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:32:20,288 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:32:20,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:32:20,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:32:20,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:32:20,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:32:20,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:32:20,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:32:20,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:32:20,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:32:20,289 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:32:20,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:32:20,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:32:20,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:32:20,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:32:20,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:32:20,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:32:20,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:32:20,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:32:20,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:32:20,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:32:20,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:32:20,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:32:20,291 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:32:20,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:32:20,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:32:20,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:32:20,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b12ad43dcef9bdc0311576ea572488b026584491d49ef5bf04de4ece861047f6 [2021-12-06 17:32:20,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:32:20,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:32:20,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:32:20,495 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:32:20,496 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:32:20,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2021-12-06 17:32:20,543 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data/af3f5dc7c/1e9de2dc91fb46b984d2377b5accb208/FLAGc86238cb1 [2021-12-06 17:32:20,944 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:32:20,944 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2021-12-06 17:32:20,952 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data/af3f5dc7c/1e9de2dc91fb46b984d2377b5accb208/FLAGc86238cb1 [2021-12-06 17:32:20,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data/af3f5dc7c/1e9de2dc91fb46b984d2377b5accb208 [2021-12-06 17:32:20,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:32:20,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:32:20,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:32:20,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:32:20,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:32:20,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:32:20" (1/1) ... [2021-12-06 17:32:20,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c805df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:20, skipping insertion in model container [2021-12-06 17:32:20,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:32:20" (1/1) ... [2021-12-06 17:32:20,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:32:21,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:32:21,172 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:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1434) 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:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2021) 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:1633) 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:1069) 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:1610) 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:1069) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) 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) [2021-12-06 17:32:21,176 INFO L158 Benchmark]: Toolchain (without parser) took 211.52ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.8MB in the beginning and 81.1MB in the end (delta: -30.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 17:32:21,177 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:32:21,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.88ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 81.1MB in the end (delta: -30.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 17:32:21,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.88ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 81.1MB in the end (delta: -30.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa --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 b12ad43dcef9bdc0311576ea572488b026584491d49ef5bf04de4ece861047f6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:32:22,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:32:22,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:32:22,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:32:22,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:32:22,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:32:22,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:32:22,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:32:22,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:32:22,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:32:22,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:32:22,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:32:22,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:32:22,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:32:22,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:32:22,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:32:22,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:32:22,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:32:22,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:32:22,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:32:22,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:32:22,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:32:22,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:32:22,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:32:22,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:32:22,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:32:22,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:32:22,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:32:22,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:32:22,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:32:22,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:32:22,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:32:22,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:32:22,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:32:22,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:32:22,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:32:22,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:32:22,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:32:22,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:32:22,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:32:22,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:32:22,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 17:32:22,610 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:32:22,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:32:22,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:32:22,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:32:22,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:32:22,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:32:22,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:32:22,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:32:22,613 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:32:22,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:32:22,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:32:22,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:32:22,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:32:22,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:32:22,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:32:22,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:32:22,614 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 17:32:22,614 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 17:32:22,614 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 17:32:22,614 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:32:22,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:32:22,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:32:22,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:32:22,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:32:22,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:32:22,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:32:22,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:32:22,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:32:22,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:32:22,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:32:22,616 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 17:32:22,616 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 17:32:22,616 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:32:22,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:32:22,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:32:22,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:32:22,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 17:32:22,616 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b12ad43dcef9bdc0311576ea572488b026584491d49ef5bf04de4ece861047f6 [2021-12-06 17:32:22,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:32:22,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:32:22,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:32:22,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:32:22,866 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:32:22,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2021-12-06 17:32:22,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data/48056cdf7/08389ad7bc1048398b6a1dfe291e12f6/FLAG9a76f8fae [2021-12-06 17:32:23,363 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:32:23,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/sv-benchmarks/c/float-newlib/double_req_bl_0876.c [2021-12-06 17:32:23,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data/48056cdf7/08389ad7bc1048398b6a1dfe291e12f6/FLAG9a76f8fae [2021-12-06 17:32:23,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/data/48056cdf7/08389ad7bc1048398b6a1dfe291e12f6 [2021-12-06 17:32:23,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:32:23,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:32:23,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:32:23,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:32:23,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:32:23,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abfdbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23, skipping insertion in model container [2021-12-06 17:32:23,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:32:23,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:32:23,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/sv-benchmarks/c/float-newlib/double_req_bl_0876.c[14628,14641] [2021-12-06 17:32:23,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:32:23,635 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:32:23,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/sv-benchmarks/c/float-newlib/double_req_bl_0876.c[14628,14641] [2021-12-06 17:32:23,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:32:23,717 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:32:23,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23 WrapperNode [2021-12-06 17:32:23,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:32:23,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:32:23,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:32:23,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:32:23,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,784 INFO L137 Inliner]: procedures = 26, calls = 169, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 755 [2021-12-06 17:32:23,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:32:23,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:32:23,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:32:23,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:32:23,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:32:23,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:32:23,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:32:23,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:32:23,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (1/1) ... [2021-12-06 17:32:23,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:32:23,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:32:23,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:32:23,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:32:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:32:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-06 17:32:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-06 17:32:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 17:32:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:32:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-06 17:32:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-06 17:32:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-06 17:32:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 17:32:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-12-06 17:32:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-12-06 17:32:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:32:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:32:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 17:32:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:32:24,019 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:32:24,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:33:12,563 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:33:12,571 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:33:12,571 INFO L301 CfgBuilder]: Removed 60 assume(true) statements. [2021-12-06 17:33:12,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:12 BoogieIcfgContainer [2021-12-06 17:33:12,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:33:12,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:33:12,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:33:12,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:33:12,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:32:23" (1/3) ... [2021-12-06 17:33:12,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1786480a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:33:12, skipping insertion in model container [2021-12-06 17:33:12,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:23" (2/3) ... [2021-12-06 17:33:12,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1786480a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:33:12, skipping insertion in model container [2021-12-06 17:33:12,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:12" (3/3) ... [2021-12-06 17:33:12,579 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0876.c [2021-12-06 17:33:12,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:33:12,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:33:12,615 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:33:12,620 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:33:12,620 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:33:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 213 states, 204 states have (on average 1.7009803921568627) internal successors, (347), 205 states have internal predecessors, (347), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:33:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-06 17:33:12,639 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:33:12,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:33:12,639 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:33:12,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:33:12,643 INFO L85 PathProgramCache]: Analyzing trace with hash -288078456, now seen corresponding path program 1 times [2021-12-06 17:33:12,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:33:12,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612973134] [2021-12-06 17:33:12,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:33:12,652 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:33:12,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:33:12,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:33:12,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 17:33:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:33:12,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 17:33:12,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:33:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:33:13,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:33:13,055 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:33:13,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612973134] [2021-12-06 17:33:13,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1612973134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:33:13,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:33:13,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:33:13,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629179796] [2021-12-06 17:33:13,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:33:13,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:33:13,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:33:13,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:33:13,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:33:13,089 INFO L87 Difference]: Start difference. First operand has 213 states, 204 states have (on average 1.7009803921568627) internal successors, (347), 205 states have internal predecessors, (347), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:33:13,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:33:13,120 INFO L93 Difference]: Finished difference Result 423 states and 715 transitions. [2021-12-06 17:33:13,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:33:13,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-12-06 17:33:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:33:13,129 INFO L225 Difference]: With dead ends: 423 [2021-12-06 17:33:13,130 INFO L226 Difference]: Without dead ends: 209 [2021-12-06 17:33:13,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:33:13,135 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:33:13,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:33:13,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-06 17:33:13,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-12-06 17:33:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 201 states have (on average 1.3980099502487562) internal successors, (281), 201 states have internal predecessors, (281), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:33:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 291 transitions. [2021-12-06 17:33:13,175 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 291 transitions. Word has length 18 [2021-12-06 17:33:13,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:33:13,175 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 291 transitions. [2021-12-06 17:33:13,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:33:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 291 transitions. [2021-12-06 17:33:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-06 17:33:13,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:33:13,177 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:33:13,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:33:13,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:33:13,379 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:33:13,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:33:13,382 INFO L85 PathProgramCache]: Analyzing trace with hash 430153058, now seen corresponding path program 1 times [2021-12-06 17:33:13,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:33:13,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945327393] [2021-12-06 17:33:13,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:33:13,386 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:33:13,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:33:13,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:33:13,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 17:33:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:33:13,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:33:13,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:33:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:33:15,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:33:15,526 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:33:15,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945327393] [2021-12-06 17:33:15,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945327393] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:33:15,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:33:15,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:33:15,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619459083] [2021-12-06 17:33:15,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:33:15,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:33:15,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:33:15,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:33:15,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:33:15,531 INFO L87 Difference]: Start difference. First operand 209 states and 291 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:33:15,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:33:15,557 INFO L93 Difference]: Finished difference Result 218 states and 300 transitions. [2021-12-06 17:33:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:33:15,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-12-06 17:33:15,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:33:15,560 INFO L225 Difference]: With dead ends: 218 [2021-12-06 17:33:15,560 INFO L226 Difference]: Without dead ends: 209 [2021-12-06 17:33:15,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:33:15,562 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 0 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:33:15,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1384 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 45 Unchecked, 0.0s Time] [2021-12-06 17:33:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-06 17:33:15,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-12-06 17:33:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 201 states have (on average 1.3930348258706469) internal successors, (280), 201 states have internal predecessors, (280), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:33:15,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 290 transitions. [2021-12-06 17:33:15,580 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 290 transitions. Word has length 22 [2021-12-06 17:33:15,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:33:15,581 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 290 transitions. [2021-12-06 17:33:15,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:33:15,581 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 290 transitions. [2021-12-06 17:33:15,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 17:33:15,582 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:33:15,582 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:33:15,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 17:33:15,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:33:15,784 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:33:15,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:33:15,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2129176519, now seen corresponding path program 1 times [2021-12-06 17:33:15,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:33:15,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077717207] [2021-12-06 17:33:15,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:33:15,789 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:33:15,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:33:15,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:33:15,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 17:33:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:33:16,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-06 17:33:16,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:33:16,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 17:33:21,963 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:33:21,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 24 [2021-12-06 17:33:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:33:46,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:33:46,969 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:33:46,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077717207] [2021-12-06 17:33:46,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077717207] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:33:46,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:33:46,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:33:46,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069624431] [2021-12-06 17:33:46,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:33:46,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:33:46,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:33:46,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:33:46,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=68, Unknown=5, NotChecked=0, Total=90 [2021-12-06 17:33:46,972 INFO L87 Difference]: Start difference. First operand 209 states and 290 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:33:51,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:33:51,265 INFO L93 Difference]: Finished difference Result 218 states and 299 transitions. [2021-12-06 17:33:51,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:33:51,266 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-06 17:33:51,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:33:51,269 INFO L225 Difference]: With dead ends: 218 [2021-12-06 17:33:51,269 INFO L226 Difference]: Without dead ends: 209 [2021-12-06 17:33:51,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.1s TimeCoverageRelationStatistics Valid=21, Invalid=84, Unknown=5, NotChecked=0, Total=110 [2021-12-06 17:33:51,272 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 2 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 186 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:33:51,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 2321 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 186 Unchecked, 1.2s Time] [2021-12-06 17:33:51,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-12-06 17:33:51,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-12-06 17:33:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 201 states have (on average 1.3880597014925373) internal successors, (279), 201 states have internal predecessors, (279), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:33:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 289 transitions. [2021-12-06 17:33:51,285 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 289 transitions. Word has length 24 [2021-12-06 17:33:51,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:33:51,285 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 289 transitions. [2021-12-06 17:33:51,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:33:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 289 transitions. [2021-12-06 17:33:51,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 17:33:51,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:33:51,286 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:33:51,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 17:33:51,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:33:51,488 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:33:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:33:51,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2131023561, now seen corresponding path program 1 times [2021-12-06 17:33:51,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:33:51,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334775143] [2021-12-06 17:33:51,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:33:51,491 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:33:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:33:51,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:33:51,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 17:33:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:33:51,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-06 17:33:51,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:33:52,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 17:33:59,255 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-12-06 17:33:59,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 61 [2021-12-06 17:34:02,757 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:34:02,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 65 [2021-12-06 17:34:03,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2021-12-06 17:34:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:34:09,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:34:09,843 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:34:09,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334775143] [2021-12-06 17:34:09,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334775143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:34:09,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:34:09,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 17:34:09,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390199615] [2021-12-06 17:34:09,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:34:09,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 17:34:09,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:34:09,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:34:09,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:34:09,845 INFO L87 Difference]: Start difference. First operand 209 states and 289 transitions. Second operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:34:12,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:16,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:19,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:21,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:25,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:27,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:29,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:30,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:34,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:35,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:37,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:39,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:41,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:44,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:47,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:50,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:53,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:55,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:58,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:00,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:01,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:04,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:06,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:09,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:13,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:14,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:16,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:18,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:20,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:23,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:25,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:27,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:29,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:29,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:35:29,228 INFO L93 Difference]: Finished difference Result 218 states and 298 transitions. [2021-12-06 17:35:29,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:35:29,266 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-06 17:35:29,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:35:29,268 INFO L225 Difference]: With dead ends: 218 [2021-12-06 17:35:29,268 INFO L226 Difference]: Without dead ends: 208 [2021-12-06 17:35:29,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:35:29,269 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 0 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 309 IncrementalHoareTripleChecker+Unchecked, 79.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:35:29,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2683 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 24 Unknown, 309 Unchecked, 79.3s Time] [2021-12-06 17:35:29,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-12-06 17:35:29,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2021-12-06 17:35:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.385) internal successors, (277), 200 states have internal predecessors, (277), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:35:29,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 287 transitions. [2021-12-06 17:35:29,278 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 287 transitions. Word has length 24 [2021-12-06 17:35:29,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:35:29,279 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 287 transitions. [2021-12-06 17:35:29,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:35:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 287 transitions. [2021-12-06 17:35:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 17:35:29,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:35:29,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:35:29,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 17:35:29,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:35:29,482 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:35:29,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:35:29,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1887252537, now seen corresponding path program 1 times [2021-12-06 17:35:29,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:35:29,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656711831] [2021-12-06 17:35:29,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:35:29,486 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:35:29,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:35:29,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:35:29,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 17:35:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:35:29,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-06 17:35:29,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:35:30,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 17:35:36,733 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:35:36,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 24 [2021-12-06 17:36:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:36:10,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:36:10,799 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:36:10,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656711831] [2021-12-06 17:36:10,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656711831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:36:10,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:36:10,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:36:10,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385964511] [2021-12-06 17:36:10,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:36:10,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:36:10,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:36:10,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:36:10,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=84, Unknown=6, NotChecked=0, Total=110 [2021-12-06 17:36:10,802 INFO L87 Difference]: Start difference. First operand 208 states and 287 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:36:13,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:36:13,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:36:13,609 INFO L93 Difference]: Finished difference Result 275 states and 383 transitions. [2021-12-06 17:36:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:36:13,611 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2021-12-06 17:36:13,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:36:13,614 INFO L225 Difference]: With dead ends: 275 [2021-12-06 17:36:13,614 INFO L226 Difference]: Without dead ends: 266 [2021-12-06 17:36:13,614 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.5s TimeCoverageRelationStatistics Valid=20, Invalid=84, Unknown=6, NotChecked=0, Total=110 [2021-12-06 17:36:13,615 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 82 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 2298 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 285 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:36:13,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 2298 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 285 Unchecked, 2.8s Time] [2021-12-06 17:36:13,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-12-06 17:36:13,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 211. [2021-12-06 17:36:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 203 states have (on average 1.3891625615763548) internal successors, (282), 203 states have internal predecessors, (282), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:36:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 292 transitions. [2021-12-06 17:36:13,626 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 292 transitions. Word has length 27 [2021-12-06 17:36:13,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:36:13,626 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 292 transitions. [2021-12-06 17:36:13,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:36:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 292 transitions. [2021-12-06 17:36:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:36:13,627 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:36:13,627 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:36:13,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 17:36:13,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:36:13,828 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:36:13,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:36:13,830 INFO L85 PathProgramCache]: Analyzing trace with hash 105163371, now seen corresponding path program 1 times [2021-12-06 17:36:13,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:36:13,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317256899] [2021-12-06 17:36:13,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:36:13,832 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:36:13,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:36:13,834 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:36:13,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 17:36:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:36:14,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:36:14,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:36:17,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:36:17,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:36:17,927 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:36:17,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317256899] [2021-12-06 17:36:17,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317256899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:36:17,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:36:17,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:36:17,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133364120] [2021-12-06 17:36:17,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:36:17,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:36:17,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:36:17,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:36:17,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:36:17,930 INFO L87 Difference]: Start difference. First operand 211 states and 292 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:36:17,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:36:17,945 INFO L93 Difference]: Finished difference Result 413 states and 568 transitions. [2021-12-06 17:36:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:36:17,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-06 17:36:17,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:36:17,947 INFO L225 Difference]: With dead ends: 413 [2021-12-06 17:36:17,948 INFO L226 Difference]: Without dead ends: 231 [2021-12-06 17:36:17,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:36:17,949 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 27 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:36:17,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 1384 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 44 Unchecked, 0.0s Time] [2021-12-06 17:36:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-12-06 17:36:17,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 211. [2021-12-06 17:36:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 203 states have (on average 1.3842364532019704) internal successors, (281), 203 states have internal predecessors, (281), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:36:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2021-12-06 17:36:17,958 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 291 transitions. Word has length 28 [2021-12-06 17:36:17,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:36:17,958 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 291 transitions. [2021-12-06 17:36:17,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:36:17,958 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 291 transitions. [2021-12-06 17:36:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:36:17,959 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:36:17,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:36:17,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 17:36:18,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:36:18,161 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:36:18,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:36:18,162 INFO L85 PathProgramCache]: Analyzing trace with hash -135288817, now seen corresponding path program 1 times [2021-12-06 17:36:18,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:36:18,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565556736] [2021-12-06 17:36:18,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:36:18,165 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:36:18,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:36:18,167 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:36:18,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 17:36:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:36:18,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-06 17:36:18,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:36:19,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 17:36:25,442 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:36:25,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 24 [2021-12-06 17:36:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:36:54,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:36:54,672 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:36:54,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565556736] [2021-12-06 17:36:54,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565556736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:36:54,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:36:54,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:36:54,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856313945] [2021-12-06 17:36:54,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:36:54,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:36:54,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:36:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:36:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=67, Unknown=6, NotChecked=0, Total=90 [2021-12-06 17:36:54,676 INFO L87 Difference]: Start difference. First operand 211 states and 291 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:36:56,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:37:00,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:37:00,934 INFO L93 Difference]: Finished difference Result 229 states and 309 transitions. [2021-12-06 17:37:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:37:00,934 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-06 17:37:00,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:37:00,936 INFO L225 Difference]: With dead ends: 229 [2021-12-06 17:37:00,936 INFO L226 Difference]: Without dead ends: 220 [2021-12-06 17:37:00,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.1s TimeCoverageRelationStatistics Valid=21, Invalid=82, Unknown=7, NotChecked=0, Total=110 [2021-12-06 17:37:00,938 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 95 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 2216 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 185 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:37:00,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 2216 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 185 Unchecked, 1.7s Time] [2021-12-06 17:37:00,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-12-06 17:37:00,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 210. [2021-12-06 17:37:00,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 202 states have (on average 1.381188118811881) internal successors, (279), 202 states have internal predecessors, (279), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:37:00,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 289 transitions. [2021-12-06 17:37:00,947 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 289 transitions. Word has length 28 [2021-12-06 17:37:00,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:37:00,947 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 289 transitions. [2021-12-06 17:37:00,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:37:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 289 transitions. [2021-12-06 17:37:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-06 17:37:00,948 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:37:00,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:37:00,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-06 17:37:01,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:37:01,150 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:37:01,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:37:01,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1830890837, now seen corresponding path program 1 times [2021-12-06 17:37:01,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:37:01,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716887712] [2021-12-06 17:37:01,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:37:01,153 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:37:01,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:37:01,156 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:37:01,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 17:37:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:37:02,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:37:02,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:37:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:37:05,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:37:05,578 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:37:05,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716887712] [2021-12-06 17:37:05,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716887712] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:37:05,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:37:05,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:37:05,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063552332] [2021-12-06 17:37:05,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:37:05,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:37:05,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:37:05,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:37:05,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:37:05,581 INFO L87 Difference]: Start difference. First operand 210 states and 289 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:37:05,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:37:05,594 INFO L93 Difference]: Finished difference Result 414 states and 569 transitions. [2021-12-06 17:37:05,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:37:05,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-06 17:37:05,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:37:05,596 INFO L225 Difference]: With dead ends: 414 [2021-12-06 17:37:05,596 INFO L226 Difference]: Without dead ends: 232 [2021-12-06 17:37:05,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:37:05,598 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 27 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 54 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:37:05,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 1449 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 54 Unchecked, 0.0s Time] [2021-12-06 17:37:05,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-12-06 17:37:05,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2021-12-06 17:37:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 202 states have (on average 1.381188118811881) internal successors, (279), 202 states have internal predecessors, (279), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:37:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 289 transitions. [2021-12-06 17:37:05,607 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 289 transitions. Word has length 29 [2021-12-06 17:37:05,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:37:05,607 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 289 transitions. [2021-12-06 17:37:05,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:37:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 289 transitions. [2021-12-06 17:37:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 17:37:05,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:37:05,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:37:05,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-06 17:37:05,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:37:05,810 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:37:05,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:37:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash 215168629, now seen corresponding path program 1 times [2021-12-06 17:37:05,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:37:05,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915206523] [2021-12-06 17:37:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:37:05,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:37:05,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:37:05,816 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:37:05,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 17:37:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:37:06,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-06 17:37:06,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:37:07,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 17:37:13,185 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:37:13,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 24 [2021-12-06 17:37:15,889 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_14 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_111| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_110| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_111|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_111|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_111|)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_110|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_110|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_110|))) (fp.lt (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_110|)) v_arrayElimCell_14))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) currentRoundingMode 1.0)) (= |c_ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_111|)))) is different from true [2021-12-06 17:37:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:37:33,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:37:33,922 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:37:33,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915206523] [2021-12-06 17:37:33,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915206523] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:37:33,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:37:33,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:37:33,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922482999] [2021-12-06 17:37:33,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:37:33,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:37:33,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:37:33,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:37:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=54, Unknown=5, NotChecked=14, Total=90 [2021-12-06 17:37:33,925 INFO L87 Difference]: Start difference. First operand 210 states and 289 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:37:35,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:37:37,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:37:37,970 INFO L93 Difference]: Finished difference Result 228 states and 307 transitions. [2021-12-06 17:37:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:37:37,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-06 17:37:37,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:37:37,972 INFO L225 Difference]: With dead ends: 228 [2021-12-06 17:37:37,972 INFO L226 Difference]: Without dead ends: 217 [2021-12-06 17:37:37,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=21, Invalid=67, Unknown=6, NotChecked=16, Total=110 [2021-12-06 17:37:37,974 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 96 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 472 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:37:37,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1957 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 472 Unchecked, 1.2s Time] [2021-12-06 17:37:37,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-12-06 17:37:37,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 208. [2021-12-06 17:37:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 200 states have (on average 1.375) internal successors, (275), 200 states have internal predecessors, (275), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:37:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 285 transitions. [2021-12-06 17:37:37,983 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 285 transitions. Word has length 30 [2021-12-06 17:37:37,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:37:37,983 INFO L470 AbstractCegarLoop]: Abstraction has 208 states and 285 transitions. [2021-12-06 17:37:37,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:37:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 285 transitions. [2021-12-06 17:37:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 17:37:37,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:37:37,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:37:37,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-06 17:37:38,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:37:38,186 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:37:38,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:37:38,187 INFO L85 PathProgramCache]: Analyzing trace with hash -64000484, now seen corresponding path program 1 times [2021-12-06 17:37:38,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:37:38,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907409506] [2021-12-06 17:37:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:37:38,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:37:38,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:37:38,191 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:37:38,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 17:37:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:37:38,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:37:38,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:37:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:37:41,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:37:41,366 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:37:41,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1907409506] [2021-12-06 17:37:41,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1907409506] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:37:41,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:37:41,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:37:41,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629340700] [2021-12-06 17:37:41,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:37:41,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:37:41,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:37:41,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:37:41,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:37:41,368 INFO L87 Difference]: Start difference. First operand 208 states and 285 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:37:44,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:37:46,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:37:50,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:37:53,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:37:55,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:37:57,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:38:00,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:38:02,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:38:02,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:38:02,273 INFO L93 Difference]: Finished difference Result 221 states and 297 transitions. [2021-12-06 17:38:02,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:38:02,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-06 17:38:02,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:38:02,309 INFO L225 Difference]: With dead ends: 221 [2021-12-06 17:38:02,309 INFO L226 Difference]: Without dead ends: 218 [2021-12-06 17:38:02,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:38:02,310 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 279 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:38:02,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 1085 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 7 Unknown, 0 Unchecked, 19.6s Time] [2021-12-06 17:38:02,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-12-06 17:38:02,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 211. [2021-12-06 17:38:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 203 states have (on average 1.3694581280788178) internal successors, (278), 203 states have internal predecessors, (278), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:38:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 288 transitions. [2021-12-06 17:38:02,318 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 288 transitions. Word has length 30 [2021-12-06 17:38:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:38:02,318 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 288 transitions. [2021-12-06 17:38:02,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:38:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 288 transitions. [2021-12-06 17:38:02,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 17:38:02,319 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:38:02,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:38:02,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-06 17:38:02,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:38:02,521 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:38:02,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:38:02,522 INFO L85 PathProgramCache]: Analyzing trace with hash -121258786, now seen corresponding path program 1 times [2021-12-06 17:38:02,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:38:02,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258630730] [2021-12-06 17:38:02,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:38:02,525 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:38:02,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:38:02,527 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:38:02,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-06 17:38:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:38:02,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 17:38:02,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:38:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:38:06,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:38:06,105 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:38:06,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258630730] [2021-12-06 17:38:06,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258630730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:38:06,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:38:06,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:38:06,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715023606] [2021-12-06 17:38:06,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:38:06,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:38:06,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:38:06,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:38:06,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:38:06,109 INFO L87 Difference]: Start difference. First operand 211 states and 288 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:38:06,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:38:06,129 INFO L93 Difference]: Finished difference Result 339 states and 458 transitions. [2021-12-06 17:38:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:38:06,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-06 17:38:06,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:38:06,132 INFO L225 Difference]: With dead ends: 339 [2021-12-06 17:38:06,132 INFO L226 Difference]: Without dead ends: 329 [2021-12-06 17:38:06,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:38:06,133 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 170 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 54 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:38:06,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 1497 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 54 Unchecked, 0.0s Time] [2021-12-06 17:38:06,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-12-06 17:38:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 210. [2021-12-06 17:38:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 202 states have (on average 1.3663366336633664) internal successors, (276), 202 states have internal predecessors, (276), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:38:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 286 transitions. [2021-12-06 17:38:06,144 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 286 transitions. Word has length 30 [2021-12-06 17:38:06,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:38:06,144 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 286 transitions. [2021-12-06 17:38:06,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:38:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 286 transitions. [2021-12-06 17:38:06,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 17:38:06,145 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:38:06,145 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:38:06,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-06 17:38:06,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:38:06,347 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:38:06,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:38:06,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2067737501, now seen corresponding path program 1 times [2021-12-06 17:38:06,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:38:06,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229287121] [2021-12-06 17:38:06,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:38:06,349 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:38:06,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:38:06,352 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:38:06,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-06 17:38:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:38:07,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 17:38:07,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:38:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:38:10,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:38:10,503 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:38:10,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229287121] [2021-12-06 17:38:10,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229287121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:38:10,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:38:10,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:38:10,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297605878] [2021-12-06 17:38:10,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:38:10,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:38:10,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:38:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:38:10,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:38:10,505 INFO L87 Difference]: Start difference. First operand 210 states and 286 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:38:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:38:10,519 INFO L93 Difference]: Finished difference Result 375 states and 501 transitions. [2021-12-06 17:38:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:38:10,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-06 17:38:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:38:10,521 INFO L225 Difference]: With dead ends: 375 [2021-12-06 17:38:10,521 INFO L226 Difference]: Without dead ends: 180 [2021-12-06 17:38:10,522 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:38:10,523 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 28 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:38:10,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 964 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 26 Unchecked, 0.0s Time] [2021-12-06 17:38:10,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-12-06 17:38:10,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 158. [2021-12-06 17:38:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 150 states have (on average 1.2733333333333334) internal successors, (191), 150 states have internal predecessors, (191), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:38:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 201 transitions. [2021-12-06 17:38:10,531 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 201 transitions. Word has length 30 [2021-12-06 17:38:10,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:38:10,531 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 201 transitions. [2021-12-06 17:38:10,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:38:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 201 transitions. [2021-12-06 17:38:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 17:38:10,532 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:38:10,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:38:10,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-06 17:38:10,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:38:10,733 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:38:10,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:38:10,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1126650255, now seen corresponding path program 1 times [2021-12-06 17:38:10,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:38:10,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724834794] [2021-12-06 17:38:10,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:38:10,733 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:38:10,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:38:10,734 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:38:10,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-06 17:38:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:38:10,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 17:38:10,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:38:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:38:16,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:38:16,739 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:38:16,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724834794] [2021-12-06 17:38:16,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724834794] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:38:16,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:38:16,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:38:16,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933693549] [2021-12-06 17:38:16,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:38:16,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:38:16,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:38:16,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:38:16,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:38:16,742 INFO L87 Difference]: Start difference. First operand 158 states and 201 transitions. Second operand has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:38:25,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:38:27,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:38:30,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:38:32,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:38:34,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 17:38:34,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:38:34,848 INFO L93 Difference]: Finished difference Result 168 states and 209 transitions. [2021-12-06 17:38:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:38:34,888 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-12-06 17:38:34,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:38:34,889 INFO L225 Difference]: With dead ends: 168 [2021-12-06 17:38:34,889 INFO L226 Difference]: Without dead ends: 154 [2021-12-06 17:38:34,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2021-12-06 17:38:34,890 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 191 mSDsluCounter, 1318 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1508 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:38:34,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 1508 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 5 Unknown, 9 Unchecked, 14.4s Time] [2021-12-06 17:38:34,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-12-06 17:38:34,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2021-12-06 17:38:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 143 states have (on average 1.2797202797202798) internal successors, (183), 143 states have internal predecessors, (183), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-12-06 17:38:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 193 transitions. [2021-12-06 17:38:34,901 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 193 transitions. Word has length 34 [2021-12-06 17:38:34,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:38:34,901 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 193 transitions. [2021-12-06 17:38:34,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.2) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 17:38:34,901 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 193 transitions. [2021-12-06 17:38:34,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-06 17:38:34,902 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:38:34,902 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:38:34,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-06 17:38:35,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:38:35,104 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:38:35,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:38:35,105 INFO L85 PathProgramCache]: Analyzing trace with hash 420507910, now seen corresponding path program 1 times [2021-12-06 17:38:35,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:38:35,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1533423439] [2021-12-06 17:38:35,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:38:35,107 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:38:35,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:38:35,110 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:38:35,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-06 17:38:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:38:36,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 17:38:36,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:38:39,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:38:39,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:38:39,859 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:38:39,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1533423439] [2021-12-06 17:38:39,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1533423439] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:38:39,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:38:39,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:38:39,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663235267] [2021-12-06 17:38:39,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:38:39,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:38:39,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:38:39,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:38:39,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:38:39,862 INFO L87 Difference]: Start difference. First operand 151 states and 193 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 17:38:39,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:38:39,866 INFO L93 Difference]: Finished difference Result 159 states and 200 transitions. [2021-12-06 17:38:39,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:38:39,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-06 17:38:39,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:38:39,867 INFO L225 Difference]: With dead ends: 159 [2021-12-06 17:38:39,867 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:38:39,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:38:39,868 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:38:39,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 93 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-12-06 17:38:39,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:38:39,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:38:39,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:38:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:38:39,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-12-06 17:38:39,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:38:39,871 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:38:39,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 17:38:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:38:39,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:38:39,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:38:39,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-06 17:38:40,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:38:40,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:38:47,242 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 206 220) no Hoare annotation was computed. [2021-12-06 17:38:47,242 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 206 220) the Hoare annotation is: true [2021-12-06 17:38:47,242 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2021-12-06 17:38:47,242 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 206 220) no Hoare annotation was computed. [2021-12-06 17:38:47,243 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2021-12-06 17:38:47,243 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2021-12-06 17:38:47,243 INFO L854 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: (or (= fabs_double_~x |fabs_double_#in~x|) (not (= (_ +zero 11 53) ~zero_pow~0))) [2021-12-06 17:38:47,243 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 206 220) no Hoare annotation was computed. [2021-12-06 17:38:47,243 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2021-12-06 17:38:47,244 INFO L858 garLoopResultBuilder]: For program point L31-1(lines 19 38) no Hoare annotation was computed. [2021-12-06 17:38:47,244 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2021-12-06 17:38:47,244 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 19 38) no Hoare annotation was computed. [2021-12-06 17:38:47,244 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-12-06 17:38:47,244 INFO L861 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2021-12-06 17:38:47,244 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 19 38) no Hoare annotation was computed. [2021-12-06 17:38:47,245 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 19 38) the Hoare annotation is: true [2021-12-06 17:38:47,245 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2021-12-06 17:38:47,245 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 19 38) no Hoare annotation was computed. [2021-12-06 17:38:47,245 INFO L858 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2021-12-06 17:38:47,245 INFO L854 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2021-12-06 17:38:47,245 INFO L858 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2021-12-06 17:38:47,245 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2021-12-06 17:38:47,246 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2021-12-06 17:38:47,246 INFO L858 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2021-12-06 17:38:47,246 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-12-06 17:38:47,246 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2021-12-06 17:38:47,246 INFO L858 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2021-12-06 17:38:47,246 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2021-12-06 17:38:47,247 INFO L858 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed. [2021-12-06 17:38:47,247 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2021-12-06 17:38:47,247 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2021-12-06 17:38:47,247 INFO L858 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2021-12-06 17:38:47,247 INFO L854 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: false [2021-12-06 17:38:47,247 INFO L854 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2021-12-06 17:38:47,247 INFO L858 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2021-12-06 17:38:47,248 INFO L858 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2021-12-06 17:38:47,248 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2021-12-06 17:38:47,248 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2021-12-06 17:38:47,248 INFO L854 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2021-12-06 17:38:47,248 INFO L858 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2021-12-06 17:38:47,248 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2021-12-06 17:38:47,249 INFO L858 garLoopResultBuilder]: For program point L336(line 336) no Hoare annotation was computed. [2021-12-06 17:38:47,249 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2021-12-06 17:38:47,249 INFO L858 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2021-12-06 17:38:47,249 INFO L854 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_pow~0) (exists ((|v_fabs_double_~#sh_u~3.base_16| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_110| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse2 (select |#memory_int| |v_fabs_double_~#sh_u~3.base_16|))) (let ((.cse1 (select .cse2 (_ bv4 32)))) (and (fp.lt (let ((.cse0 (concat .cse1 (select .cse2 (_ bv0 32))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) currentRoundingMode 1.0)) (= |ULTIMATE.start___ieee754_pow_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_110|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_110|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_110|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_110|)) .cse1))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_pow_~y#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-12-06 17:38:47,249 INFO L854 garLoopResultBuilder]: At program point L204(lines 97 205) the Hoare annotation is: false [2021-12-06 17:38:47,249 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2021-12-06 17:38:47,250 INFO L854 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2021-12-06 17:38:47,250 INFO L858 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2021-12-06 17:38:47,250 INFO L854 garLoopResultBuilder]: At program point L602(line 602) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_pow~0) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~y~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-12-06 17:38:47,250 INFO L858 garLoopResultBuilder]: For program point L602-1(lines 602 611) no Hoare annotation was computed. [2021-12-06 17:38:47,250 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2021-12-06 17:38:47,250 INFO L858 garLoopResultBuilder]: For program point L602-3(lines 602 611) no Hoare annotation was computed. [2021-12-06 17:38:47,251 INFO L858 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2021-12-06 17:38:47,251 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2021-12-06 17:38:47,251 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2021-12-06 17:38:47,251 INFO L858 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2021-12-06 17:38:47,251 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2021-12-06 17:38:47,251 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2021-12-06 17:38:47,252 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2021-12-06 17:38:47,252 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2021-12-06 17:38:47,252 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 381 474) no Hoare annotation was computed. [2021-12-06 17:38:47,252 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2021-12-06 17:38:47,252 INFO L858 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2021-12-06 17:38:47,253 INFO L858 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2021-12-06 17:38:47,253 INFO L854 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2021-12-06 17:38:47,253 INFO L858 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2021-12-06 17:38:47,253 INFO L858 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2021-12-06 17:38:47,253 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2021-12-06 17:38:47,253 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2021-12-06 17:38:47,254 INFO L858 garLoopResultBuilder]: For program point L276-1(lines 263 562) no Hoare annotation was computed. [2021-12-06 17:38:47,254 INFO L858 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2021-12-06 17:38:47,254 INFO L858 garLoopResultBuilder]: For program point L607(line 607) no Hoare annotation was computed. [2021-12-06 17:38:47,254 INFO L858 garLoopResultBuilder]: For program point L607-2(lines 607 610) no Hoare annotation was computed. [2021-12-06 17:38:47,254 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2021-12-06 17:38:47,254 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2021-12-06 17:38:47,255 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2021-12-06 17:38:47,255 INFO L854 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2021-12-06 17:38:47,255 INFO L858 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2021-12-06 17:38:47,255 INFO L858 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2021-12-06 17:38:47,255 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2021-12-06 17:38:47,255 INFO L854 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2021-12-06 17:38:47,255 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2021-12-06 17:38:47,256 INFO L858 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2021-12-06 17:38:47,256 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2021-12-06 17:38:47,256 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2021-12-06 17:38:47,256 INFO L858 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2021-12-06 17:38:47,256 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-12-06 17:38:47,256 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2021-12-06 17:38:47,257 INFO L854 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2021-12-06 17:38:47,257 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2021-12-06 17:38:47,257 INFO L858 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2021-12-06 17:38:47,257 INFO L858 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2021-12-06 17:38:47,257 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2021-12-06 17:38:47,257 INFO L854 garLoopResultBuilder]: At program point L313(lines 313 334) the Hoare annotation is: false [2021-12-06 17:38:47,257 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2021-12-06 17:38:47,258 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: false [2021-12-06 17:38:47,258 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-12-06 17:38:47,258 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2021-12-06 17:38:47,258 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2021-12-06 17:38:47,258 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2021-12-06 17:38:47,258 INFO L858 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2021-12-06 17:38:47,258 INFO L858 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2021-12-06 17:38:47,259 INFO L854 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2021-12-06 17:38:47,259 INFO L858 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2021-12-06 17:38:47,259 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2021-12-06 17:38:47,259 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-12-06 17:38:47,259 INFO L854 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: false [2021-12-06 17:38:47,259 INFO L858 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-12-06 17:38:47,259 INFO L861 garLoopResultBuilder]: At program point L613(lines 591 614) the Hoare annotation is: true [2021-12-06 17:38:47,260 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2021-12-06 17:38:47,260 INFO L854 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2021-12-06 17:38:47,260 INFO L858 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2021-12-06 17:38:47,260 INFO L858 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2021-12-06 17:38:47,260 INFO L858 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2021-12-06 17:38:47,260 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 17:38:47,260 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2021-12-06 17:38:47,261 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2021-12-06 17:38:47,261 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2021-12-06 17:38:47,261 INFO L858 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2021-12-06 17:38:47,261 INFO L858 garLoopResultBuilder]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2021-12-06 17:38:47,261 INFO L854 garLoopResultBuilder]: At program point L582-2(lines 582 586) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_pow_#res#1| (_ +zero 11 53)) |ULTIMATE.start_main_#t~short62#1| (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53)) (= (_ +zero 11 53) ~zero_pow~0) (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|)) [2021-12-06 17:38:47,261 INFO L858 garLoopResultBuilder]: For program point L582-3(lines 582 586) no Hoare annotation was computed. [2021-12-06 17:38:47,261 INFO L858 garLoopResultBuilder]: For program point L318(line 318) no Hoare annotation was computed. [2021-12-06 17:38:47,262 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2021-12-06 17:38:47,262 INFO L858 garLoopResultBuilder]: For program point L318-2(line 318) no Hoare annotation was computed. [2021-12-06 17:38:47,262 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2021-12-06 17:38:47,262 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-12-06 17:38:47,262 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2021-12-06 17:38:47,262 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2021-12-06 17:38:47,262 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2021-12-06 17:38:47,262 INFO L858 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2021-12-06 17:38:47,263 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2021-12-06 17:38:47,263 INFO L858 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2021-12-06 17:38:47,263 INFO L858 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2021-12-06 17:38:47,263 INFO L854 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2021-12-06 17:38:47,263 INFO L858 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2021-12-06 17:38:47,263 INFO L858 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2021-12-06 17:38:47,263 INFO L858 garLoopResultBuilder]: For program point L320-2(line 320) no Hoare annotation was computed. [2021-12-06 17:38:47,264 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2021-12-06 17:38:47,264 INFO L858 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2021-12-06 17:38:47,264 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2021-12-06 17:38:47,264 INFO L858 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2021-12-06 17:38:47,264 INFO L854 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2021-12-06 17:38:47,264 INFO L858 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2021-12-06 17:38:47,264 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-12-06 17:38:47,264 INFO L854 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2021-12-06 17:38:47,265 INFO L858 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2021-12-06 17:38:47,265 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-12-06 17:38:47,265 INFO L854 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2021-12-06 17:38:47,265 INFO L858 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-12-06 17:38:47,265 INFO L858 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2021-12-06 17:38:47,265 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2021-12-06 17:38:47,265 INFO L854 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2021-12-06 17:38:47,265 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 17:38:47,265 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2021-12-06 17:38:47,266 INFO L854 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2021-12-06 17:38:47,266 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2021-12-06 17:38:47,266 INFO L858 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2021-12-06 17:38:47,266 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2021-12-06 17:38:47,266 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2021-12-06 17:38:47,266 INFO L858 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2021-12-06 17:38:47,266 INFO L854 garLoopResultBuilder]: At program point L588(lines 579 589) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short62#1| (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|) (= (_ +zero 11 53) ~zero_pow~0)) [2021-12-06 17:38:47,266 INFO L858 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2021-12-06 17:38:47,267 INFO L854 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2021-12-06 17:38:47,267 INFO L858 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2021-12-06 17:38:47,267 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2021-12-06 17:38:47,267 INFO L858 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2021-12-06 17:38:47,267 INFO L854 garLoopResultBuilder]: At program point L93(lines 44 94) the Hoare annotation is: false [2021-12-06 17:38:47,267 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2021-12-06 17:38:47,267 INFO L854 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2021-12-06 17:38:47,267 INFO L858 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2021-12-06 17:38:47,268 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2021-12-06 17:38:47,268 INFO L854 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2021-12-06 17:38:47,268 INFO L858 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2021-12-06 17:38:47,268 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 17:38:47,268 INFO L858 garLoopResultBuilder]: For program point L359(line 359) no Hoare annotation was computed. [2021-12-06 17:38:47,268 INFO L858 garLoopResultBuilder]: For program point L359-2(line 359) no Hoare annotation was computed. [2021-12-06 17:38:47,268 INFO L858 garLoopResultBuilder]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2021-12-06 17:38:47,268 INFO L854 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2021-12-06 17:38:47,269 INFO L858 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2021-12-06 17:38:47,269 INFO L858 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2021-12-06 17:38:47,269 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2021-12-06 17:38:47,269 INFO L854 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2021-12-06 17:38:47,269 INFO L858 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2021-12-06 17:38:47,269 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2021-12-06 17:38:47,269 INFO L858 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2021-12-06 17:38:47,269 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2021-12-06 17:38:47,269 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2021-12-06 17:38:47,270 INFO L858 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2021-12-06 17:38:47,270 INFO L858 garLoopResultBuilder]: For program point L361(line 361) no Hoare annotation was computed. [2021-12-06 17:38:47,270 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2021-12-06 17:38:47,270 INFO L858 garLoopResultBuilder]: For program point L361-2(line 361) no Hoare annotation was computed. [2021-12-06 17:38:47,273 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2021-12-06 17:38:47,273 INFO L858 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2021-12-06 17:38:47,273 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2021-12-06 17:38:47,273 INFO L858 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2021-12-06 17:38:47,274 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 17:38:47,274 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 608) no Hoare annotation was computed. [2021-12-06 17:38:47,274 INFO L854 garLoopResultBuilder]: At program point L561(lines 263 562) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_pow_#res#1| (_ +zero 11 53)) (= (_ +zero 11 53) ~zero_pow~0)) [2021-12-06 17:38:47,274 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2021-12-06 17:38:47,274 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2021-12-06 17:38:47,274 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2021-12-06 17:38:47,274 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2021-12-06 17:38:47,275 INFO L854 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2021-12-06 17:38:47,275 INFO L858 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2021-12-06 17:38:47,275 INFO L858 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2021-12-06 17:38:47,275 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2021-12-06 17:38:47,275 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2021-12-06 17:38:47,275 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2021-12-06 17:38:47,275 INFO L858 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2021-12-06 17:38:47,275 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2021-12-06 17:38:47,275 INFO L858 garLoopResultBuilder]: For program point L365-2(line 365) no Hoare annotation was computed. [2021-12-06 17:38:47,279 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:38:47,281 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:38:47,295 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,296 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,296 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,297 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,298 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,300 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,301 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,302 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:38:47 BoogieIcfgContainer [2021-12-06 17:38:47,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:38:47,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:38:47,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:38:47,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:38:47,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:33:12" (3/4) ... [2021-12-06 17:38:47,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 17:38:47,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-12-06 17:38:47,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-12-06 17:38:47,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-12-06 17:38:47,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-12-06 17:38:47,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 17:38:47,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 17:38:47,346 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero_pow) [2021-12-06 17:38:47,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~Pluszero~LONGDOUBLE() == zero_pow && (\exists v_fabs_double_~#sh_u~3.base_16 : bv32, v_skolemized_q#valueAsBitvector_110 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp.lt~DOUBLE(~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][4bv32] ++ unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][0bv32])[63:63], (unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][4bv32] ++ unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][0bv32])[62:52], (unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][4bv32] ++ unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][0bv32])[51:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_110[63:63], v_skolemized_q#valueAsBitvector_110[62:52], v_skolemized_q#valueAsBitvector_110[51:0])) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_110[63:32]) == unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][4bv32])) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-12-06 17:38:47,391 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:38:47,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:38:47,392 INFO L158 Benchmark]: Toolchain (without parser) took 384003.78ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 42.4MB in the beginning and 32.1MB in the end (delta: 10.3MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-12-06 17:38:47,392 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:38:47,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.81ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 32.9MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:38:47,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.98ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 59.3MB in the end (delta: -26.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-12-06 17:38:47,393 INFO L158 Benchmark]: Boogie Preprocessor took 73.31ms. Allocated memory is still 77.6MB. Free memory was 59.3MB in the beginning and 54.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 17:38:47,393 INFO L158 Benchmark]: RCFGBuilder took 48713.79ms. Allocated memory is still 77.6MB. Free memory was 54.7MB in the beginning and 50.1MB in the end (delta: 4.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-12-06 17:38:47,393 INFO L158 Benchmark]: TraceAbstraction took 334728.54ms. Allocated memory is still 77.6MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 12.2kB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-12-06 17:38:47,393 INFO L158 Benchmark]: Witness Printer took 88.23ms. Allocated memory is still 77.6MB. Free memory was 49.7MB in the beginning and 32.1MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 17:38:47,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 62.9MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.81ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 32.9MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.98ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 59.3MB in the end (delta: -26.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.31ms. Allocated memory is still 77.6MB. Free memory was 59.3MB in the beginning and 54.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 48713.79ms. Allocated memory is still 77.6MB. Free memory was 54.7MB in the beginning and 50.1MB in the end (delta: 4.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 334728.54ms. Allocated memory is still 77.6MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 12.2kB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 88.23ms. Allocated memory is still 77.6MB. Free memory was 49.7MB in the beginning and 32.1MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,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[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,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[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,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[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,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.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 608]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 334.7s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 136.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 37 mSolverCounterUnknown, 1006 SdHoareTripleChecker+Valid, 120.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 999 mSDsluCounter, 21135 SdHoareTripleChecker+Invalid, 114.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1675 IncrementalHoareTripleChecker+Unchecked, 17471 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3664 mSDtfsCounter, 132 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 391 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 128.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=0, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 267 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 77 PreInvPairs, 83 NumberOfFragments, 158 HoareAnnotationTreeSize, 77 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 513 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 182.0s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 377 ConstructedInterpolants, 155 QuantifiedInterpolants, 5774 SizeOfPredicates, 119 NumberOfNonLiveVariables, 2430 ConjunctsInSsa, 209 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 8/8 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: \result == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == zero_pow - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (aux-res == 0.0 && __signbit_double(res) == 0-aux && 0bv32 == \result) && ~Pluszero~LONGDOUBLE() == zero_pow - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: x == \old(x) || !(~Pluszero~LONGDOUBLE() == zero_pow) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((\result == ~Pluszero~LONGDOUBLE() && aux-res == 0.0 && __signbit_double(res) == 0-aux) && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == zero_pow) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 270]: Loop Invariant [2021-12-06 17:38:47,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_110,QUANTIFIED] [2021-12-06 17:38:47,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_double_~#sh_u~3.base_16,QUANTIFIED] [2021-12-06 17:38:47,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-06 17:38:47,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero_pow && (\exists v_fabs_double_~#sh_u~3.base_16 : bv32, v_skolemized_q#valueAsBitvector_110 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp.lt~DOUBLE(~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][4bv32] ++ unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][0bv32])[63:63], (unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][4bv32] ++ unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][0bv32])[62:52], (unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][4bv32] ++ unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][0bv32])[51:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) && x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_110[63:63], v_skolemized_q#valueAsBitvector_110[62:52], v_skolemized_q#valueAsBitvector_110[51:0])) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_110[63:32]) == unknown-#memory_int-unknown[v_fabs_double_~#sh_u~3.base_16][4bv32])) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-06 17:38:47,607 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-06 17:38:47,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d307d716-286c-49ac-b574-0bbff0e22c37/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE