./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e723e72a166ac6fb1b462e1c13b91930c5f4e10bc44198831987bd0b753e97c5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 19:46:02,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:46:02,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:46:02,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:46:02,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:46:02,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:46:02,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:46:02,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:46:02,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:46:02,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:46:02,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:46:02,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:46:02,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:46:02,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:46:02,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:46:02,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:46:02,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:46:02,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:46:02,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:46:02,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:46:02,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:46:02,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:46:02,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:46:02,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:46:02,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:46:02,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:46:02,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:46:02,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:46:02,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:46:02,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:46:02,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:46:02,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:46:02,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:46:02,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:46:02,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:46:02,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:46:02,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:46:02,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:46:02,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:46:02,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:46:02,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:46:02,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:46:02,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:46:02,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:46:02,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:46:02,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:46:02,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:46:02,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:46:02,539 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:46:02,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:46:02,539 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:46:02,539 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:46:02,540 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:46:02,540 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:46:02,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:46:02,541 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:46:02,541 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:46:02,541 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:46:02,542 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:46:02,542 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:46:02,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:46:02,543 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:46:02,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:46:02,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:46:02,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:46:02,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:46:02,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:46:02,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:46:02,545 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:46:02,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:46:02,546 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:46:02,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:46:02,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:46:02,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:46:02,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:46:02,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:46:02,547 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:46:02,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:46:02,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:46:02,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:46:02,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:46:02,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:46:02,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:46:02,549 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_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e723e72a166ac6fb1b462e1c13b91930c5f4e10bc44198831987bd0b753e97c5 [2022-11-20 19:46:02,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:46:02,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:46:02,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:46:02,893 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:46:02,894 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:46:02,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c [2022-11-20 19:46:05,973 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:46:06,207 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:46:06,208 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/sv-benchmarks/c/float-newlib/double_req_bl_1052b.c [2022-11-20 19:46:06,215 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/data/a2c5daf4a/bb227104f75f41d9ae75c50af84bd3e3/FLAG66e830165 [2022-11-20 19:46:06,236 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/data/a2c5daf4a/bb227104f75f41d9ae75c50af84bd3e3 [2022-11-20 19:46:06,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:46:06,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:46:06,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:46:06,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:46:06,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:46:06,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:06" (1/1) ... [2022-11-20 19:46:06,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26198604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:06, skipping insertion in model container [2022-11-20 19:46:06,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:06" (1/1) ... [2022-11-20 19:46:06,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:46:06,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:46:06,460 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) 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:1669) 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:1669) 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:1087) 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:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-20 19:46:06,466 INFO L158 Benchmark]: Toolchain (without parser) took 219.67ms. Allocated memory is still 197.1MB. Free memory was 152.3MB in the beginning and 143.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 19:46:06,467 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:46:06,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.65ms. Allocated memory is still 197.1MB. Free memory was 152.3MB in the beginning and 143.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 19:46:06,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.65ms. Allocated memory is still 197.1MB. Free memory was 152.3MB in the beginning and 143.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e723e72a166ac6fb1b462e1c13b91930c5f4e10bc44198831987bd0b753e97c5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 19:46:08,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:46:08,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:46:08,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:46:08,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:46:08,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:46:08,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:46:08,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:46:08,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:46:08,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:46:08,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:46:08,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:46:08,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:46:08,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:46:08,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:46:08,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:46:08,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:46:08,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:46:08,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:46:08,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:46:08,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:46:08,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:46:08,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:46:08,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:46:08,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:46:08,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:46:08,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:46:08,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:46:08,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:46:08,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:46:08,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:46:08,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:46:08,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:46:08,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:46:08,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:46:08,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:46:08,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:46:08,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:46:08,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:46:08,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:46:08,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:46:08,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-20 19:46:09,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:46:09,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:46:09,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:46:09,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:46:09,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:46:09,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:46:09,038 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:46:09,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:46:09,039 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:46:09,039 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:46:09,040 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:46:09,040 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:46:09,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:46:09,041 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:46:09,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:46:09,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:46:09,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:46:09,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:46:09,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:46:09,043 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 19:46:09,043 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 19:46:09,043 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 19:46:09,043 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:46:09,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:46:09,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:46:09,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:46:09,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:46:09,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 19:46:09,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:46:09,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:46:09,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:46:09,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:46:09,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:46:09,046 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 19:46:09,046 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 19:46:09,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:46:09,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:46:09,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 19:46:09,047 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_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e723e72a166ac6fb1b462e1c13b91930c5f4e10bc44198831987bd0b753e97c5 [2022-11-20 19:46:09,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:46:09,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:46:09,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:46:09,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:46:09,430 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:46:09,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/float-newlib/double_req_bl_1052b.c [2022-11-20 19:46:12,543 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:46:12,766 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:46:12,766 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/sv-benchmarks/c/float-newlib/double_req_bl_1052b.c [2022-11-20 19:46:12,772 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/data/a286a8483/ee19f8a582ae480abf4d3e443dfdf9ad/FLAG48ea25976 [2022-11-20 19:46:12,789 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/data/a286a8483/ee19f8a582ae480abf4d3e443dfdf9ad [2022-11-20 19:46:12,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:46:12,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:46:12,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:46:12,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:46:12,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:46:12,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:12" (1/1) ... [2022-11-20 19:46:12,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bc0835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:12, skipping insertion in model container [2022-11-20 19:46:12,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:12" (1/1) ... [2022-11-20 19:46:12,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:46:12,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:46:13,036 WARN L237 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_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/sv-benchmarks/c/float-newlib/double_req_bl_1052b.c[2416,2429] [2022-11-20 19:46:13,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:13,053 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:46:13,082 WARN L237 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_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/sv-benchmarks/c/float-newlib/double_req_bl_1052b.c[2416,2429] [2022-11-20 19:46:13,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:13,120 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:46:13,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13 WrapperNode [2022-11-20 19:46:13,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:46:13,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:46:13,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:46:13,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:46:13,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,175 INFO L138 Inliner]: procedures = 19, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2022-11-20 19:46:13,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:46:13,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:46:13,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:46:13,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:46:13,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,235 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:46:13,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:46:13,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:46:13,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:46:13,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (1/1) ... [2022-11-20 19:46:13,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:46:13,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:13,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:46:13,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:46:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:46:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-20 19:46:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-20 19:46:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 19:46:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:46:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 19:46:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:46:13,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:46:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 19:46:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:46:13,454 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:46:13,457 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:46:14,758 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:46:14,764 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:46:14,765 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 19:46:14,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:14 BoogieIcfgContainer [2022-11-20 19:46:14,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:46:14,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:46:14,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:46:14,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:46:14,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:46:12" (1/3) ... [2022-11-20 19:46:14,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b14fce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:14, skipping insertion in model container [2022-11-20 19:46:14,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:13" (2/3) ... [2022-11-20 19:46:14,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b14fce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:14, skipping insertion in model container [2022-11-20 19:46:14,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:14" (3/3) ... [2022-11-20 19:46:14,793 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052b.c [2022-11-20 19:46:14,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:46:14,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:46:14,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:46:14,869 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@525e89a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:46:14,869 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:46:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 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) [2022-11-20 19:46:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 19:46:14,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:14,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:14,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:14,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:14,899 INFO L85 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2022-11-20 19:46:14,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:46:14,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353934356] [2022-11-20 19:46:14,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:14,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:46:14,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:46:14,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:46:14,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 19:46:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:15,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 19:46:15,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:46:15,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:15,090 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:46:15,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353934356] [2022-11-20 19:46:15,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353934356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:15,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:15,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:46:15,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282900114] [2022-11-20 19:46:15,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:15,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 19:46:15,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:46:15,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 19:46:15,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:46:15,142 INFO L87 Difference]: Start difference. First operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 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) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-20 19:46:15,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:15,170 INFO L93 Difference]: Finished difference Result 72 states and 114 transitions. [2022-11-20 19:46:15,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 19:46:15,172 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) Word has length 13 [2022-11-20 19:46:15,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:15,182 INFO L225 Difference]: With dead ends: 72 [2022-11-20 19:46:15,182 INFO L226 Difference]: Without dead ends: 34 [2022-11-20 19:46:15,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:46:15,191 INFO L413 NwaCegarLoop]: 51 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, 51 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 [2022-11-20 19:46:15,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:46:15,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-20 19:46:15,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-20 19:46:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 33 states have internal predecessors, (48), 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) [2022-11-20 19:46:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-11-20 19:46:15,231 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2022-11-20 19:46:15,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:15,231 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2022-11-20 19:46:15,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-20 19:46:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2022-11-20 19:46:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 19:46:15,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:15,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:15,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:15,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:46:15,461 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:15,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:15,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2022-11-20 19:46:15,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:46:15,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575216854] [2022-11-20 19:46:15,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:15,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:46:15,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:46:15,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:46:15,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 19:46:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:15,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 19:46:15,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:46:15,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:15,924 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:46:15,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575216854] [2022-11-20 19:46:15,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575216854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:15,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:15,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:46:15,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001763166] [2022-11-20 19:46:15,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:15,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:46:15,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:46:15,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:46:15,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:46:15,928 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-20 19:46:15,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:15,949 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-11-20 19:46:15,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:46:15,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) Word has length 15 [2022-11-20 19:46:15,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:15,953 INFO L225 Difference]: With dead ends: 45 [2022-11-20 19:46:15,954 INFO L226 Difference]: Without dead ends: 26 [2022-11-20 19:46:15,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:46:15,957 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:15,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 23 Unchecked, 0.0s Time] [2022-11-20 19:46:15,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-20 19:46:15,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-20 19:46:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 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) [2022-11-20 19:46:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2022-11-20 19:46:15,962 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 15 [2022-11-20 19:46:15,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:15,962 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-11-20 19:46:15,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-20 19:46:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-11-20 19:46:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 19:46:15,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:15,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:15,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:16,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:46:16,174 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:16,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:16,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1129837443, now seen corresponding path program 1 times [2022-11-20 19:46:16,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:46:16,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598708820] [2022-11-20 19:46:16,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:16,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:46:16,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:46:16,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:46:16,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 19:46:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:16,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 19:46:16,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:46:16,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:16,507 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:46:16,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598708820] [2022-11-20 19:46:16,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598708820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:16,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:16,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:46:16,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58354800] [2022-11-20 19:46:16,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:16,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:46:16,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:46:16,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:46:16,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:46:16,510 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-20 19:46:16,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:16,513 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2022-11-20 19:46:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:46:16,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) Word has length 15 [2022-11-20 19:46:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:16,514 INFO L225 Difference]: With dead ends: 34 [2022-11-20 19:46:16,514 INFO L226 Difference]: Without dead ends: 16 [2022-11-20 19:46:16,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:46:16,516 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:16,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2022-11-20 19:46:16,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-20 19:46:16,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-20 19:46:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2022-11-20 19:46:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-11-20 19:46:16,520 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 15 [2022-11-20 19:46:16,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:16,520 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-11-20 19:46:16,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-20 19:46:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-11-20 19:46:16,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 19:46:16,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:16,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:16,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:16,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:46:16,740 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:16,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:16,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1582346339, now seen corresponding path program 1 times [2022-11-20 19:46:16,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:46:16,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050335469] [2022-11-20 19:46:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:16,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:46:16,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:46:16,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 19:46:16,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 19:46:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:16,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 19:46:16,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:46:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:46:17,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:46:17,352 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:46:17,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050335469] [2022-11-20 19:46:17,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050335469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:17,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:17,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 19:46:17,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867005680] [2022-11-20 19:46:17,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:17,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 19:46:17,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:46:17,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 19:46:17,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:46:17,360 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2022-11-20 19:46:17,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:46:17,580 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 19:46:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 19:46:17,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) Word has length 15 [2022-11-20 19:46:17,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:46:17,581 INFO L225 Difference]: With dead ends: 16 [2022-11-20 19:46:17,581 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 19:46:17,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-20 19:46:17,582 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 16 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:46:17,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 33 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 19 Unchecked, 0.1s Time] [2022-11-20 19:46:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 19:46:17,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 19:46:17,584 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) [2022-11-20 19:46:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 19:46:17,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-11-20 19:46:17,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:46:17,584 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 19:46:17,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2022-11-20 19:46:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 19:46:17,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 19:46:17,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 19:46:17,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 19:46:17,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:46:17,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 19:46:17,926 INFO L895 garLoopResultBuilder]: At program point L93(lines 82 94) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_13| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_13|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_13|)) (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= (bvadd (_ bv1 32) (bvneg (bvlshr (let ((.cse1 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvlshr (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_13|))) (bvor (bvneg .cse2) .cse2)) (_ bv31 32)) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_13|))))))) (bvor (bvneg .cse1) .cse1)) (_ bv31 32)))) |ULTIMATE.start_isinf_double_#res#1|))) [2022-11-20 19:46:17,927 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 67) no Hoare annotation was computed. [2022-11-20 19:46:17,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 19:46:17,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 19:46:17,927 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 71) no Hoare annotation was computed. [2022-11-20 19:46:17,927 INFO L895 garLoopResultBuilder]: At program point L78(lines 18 79) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_floor_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_floor_double_~x#1|)) [2022-11-20 19:46:17,927 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 48) no Hoare annotation was computed. [2022-11-20 19:46:17,928 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2022-11-20 19:46:17,928 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 26) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_floor_double_~x#1|)) [2022-11-20 19:46:17,928 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2022-11-20 19:46:17,928 INFO L902 garLoopResultBuilder]: At program point L112(lines 96 113) the Hoare annotation is: true [2022-11-20 19:46:17,928 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-20 19:46:17,928 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 77) no Hoare annotation was computed. [2022-11-20 19:46:17,928 INFO L895 garLoopResultBuilder]: At program point L72-1(lines 18 79) the Hoare annotation is: false [2022-11-20 19:46:17,928 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 72 77) no Hoare annotation was computed. [2022-11-20 19:46:17,929 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2022-11-20 19:46:17,929 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2022-11-20 19:46:17,929 INFO L899 garLoopResultBuilder]: For program point L64-2(lines 64 65) no Hoare annotation was computed. [2022-11-20 19:46:17,929 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 57) no Hoare annotation was computed. [2022-11-20 19:46:17,929 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-11-20 19:46:17,929 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 19:46:17,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 71) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 110) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 36) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 70) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point L108(line 108) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 47) no Hoare annotation was computed. [2022-11-20 19:46:17,930 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 68) no Hoare annotation was computed. [2022-11-20 19:46:17,931 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 59 68) no Hoare annotation was computed. [2022-11-20 19:46:17,931 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 89) no Hoare annotation was computed. [2022-11-20 19:46:17,931 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 89) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_isinf_double_~x#1|) (= .cse0 |ULTIMATE.start_floor_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_floor_double_~x#1|))) [2022-11-20 19:46:17,931 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 84 89) no Hoare annotation was computed. [2022-11-20 19:46:17,931 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 44) no Hoare annotation was computed. [2022-11-20 19:46:17,931 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-11-20 19:46:17,944 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 19:46:17,946 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 19:46:17,954 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,955 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,955 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,958 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,958 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,959 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,959 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,959 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,960 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,961 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,967 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,968 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,968 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,968 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,968 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,968 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,968 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,969 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,970 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:17,972 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,973 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,974 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,974 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,974 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,974 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,976 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,978 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,979 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,979 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,979 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,980 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,980 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,980 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,980 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,980 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,981 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,981 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,981 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,981 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,981 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,982 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,990 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,990 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,991 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,991 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,995 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,995 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,995 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,996 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,996 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,996 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,996 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,996 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,997 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,997 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:17,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:46:17 BoogieIcfgContainer [2022-11-20 19:46:17,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:46:17,998 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:46:17,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:46:17,999 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:46:17,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:14" (3/4) ... [2022-11-20 19:46:18,002 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:46:18,020 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 19:46:18,020 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 19:46:18,020 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 19:46:18,021 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:46:18,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2022-11-20 19:46:18,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2022-11-20 19:46:18,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~bvadd64(1bv32, ~bvneg64(~bvlshr32(~bvor32(~bvneg64(~bvadd64(2146435072bv32, ~bvneg64(~bvor32(~bvlshr32(~bvor32(~bvneg64(v_skolemized_q#valueAsBitvector_13[31:0]), v_skolemized_q#valueAsBitvector_13[31:0]), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]))))), ~bvadd64(2146435072bv32, ~bvneg64(~bvor32(~bvlshr32(~bvor32(~bvneg64(v_skolemized_q#valueAsBitvector_13[31:0]), v_skolemized_q#valueAsBitvector_13[31:0]), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]))))), 31bv32))) == \result) [2022-11-20 19:46:18,062 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:46:18,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:46:18,067 INFO L158 Benchmark]: Toolchain (without parser) took 5273.80ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 35.8MB in the beginning and 51.5MB in the end (delta: -15.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-20 19:46:18,067 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:46:18,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.29ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 35.8MB in the beginning and 62.2MB in the end (delta: -26.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-20 19:46:18,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.16ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 60.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:46:18,068 INFO L158 Benchmark]: Boogie Preprocessor took 70.62ms. Allocated memory is still 86.0MB. Free memory was 60.4MB in the beginning and 58.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:46:18,069 INFO L158 Benchmark]: RCFGBuilder took 1532.35ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 65.5MB in the end (delta: -7.2MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-11-20 19:46:18,069 INFO L158 Benchmark]: TraceAbstraction took 3212.71ms. Allocated memory is still 86.0MB. Free memory was 65.1MB in the beginning and 54.8MB in the end (delta: 10.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-11-20 19:46:18,070 INFO L158 Benchmark]: Witness Printer took 67.99ms. Allocated memory is still 86.0MB. Free memory was 54.8MB in the beginning and 51.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 19:46:18,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.29ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 35.8MB in the beginning and 62.2MB in the end (delta: -26.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.16ms. Allocated memory is still 86.0MB. Free memory was 62.2MB in the beginning and 60.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.62ms. Allocated memory is still 86.0MB. Free memory was 60.4MB in the beginning and 58.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1532.35ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 65.5MB in the end (delta: -7.2MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3212.71ms. Allocated memory is still 86.0MB. Free memory was 65.1MB in the beginning and 54.8MB in the end (delta: 10.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Witness Printer took 67.99ms. Allocated memory is still 86.0MB. Free memory was 54.8MB in the beginning and 51.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. 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_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 108]: 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 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 218 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 52 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 98 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 11 NumberOfFragments, 162 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 13 QuantifiedInterpolants, 536 SizeOfPredicates, 26 NumberOfNonLiveVariables, 223 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 82]: Loop Invariant [2022-11-20 19:46:18,085 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,085 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,085 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,085 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,086 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,086 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,086 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,086 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,086 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,089 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,089 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,089 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,089 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,090 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,090 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,090 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,090 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,090 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,091 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,091 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,091 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,091 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,091 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,091 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,091 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,091 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,092 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] [2022-11-20 19:46:18,092 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_13,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_13 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_13[63:63], v_skolemized_q#valueAsBitvector_13[62:52], v_skolemized_q#valueAsBitvector_13[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~bvadd64(1bv32, ~bvneg64(~bvlshr32(~bvor32(~bvneg64(~bvadd64(2146435072bv32, ~bvneg64(~bvor32(~bvlshr32(~bvor32(~bvneg64(v_skolemized_q#valueAsBitvector_13[31:0]), v_skolemized_q#valueAsBitvector_13[31:0]), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]))))), ~bvadd64(2146435072bv32, ~bvneg64(~bvor32(~bvlshr32(~bvor32(~bvneg64(v_skolemized_q#valueAsBitvector_13[31:0]), v_skolemized_q#valueAsBitvector_13[31:0]), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_13[63:32]))))), 31bv32))) == \result) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant [2022-11-20 19:46:18,092 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,092 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,093 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,093 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,093 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,093 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,093 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,093 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,093 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,093 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,094 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,094 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,094 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,094 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,094 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,095 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,095 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,095 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,095 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,095 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,095 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,095 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant [2022-11-20 19:46:18,096 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,096 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,096 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,097 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,097 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,097 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,097 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,097 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,098 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,098 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,098 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,098 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 21]: Loop Invariant [2022-11-20 19:46:18,098 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 19:46:18,099 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x RESULT: Ultimate proved your program to be correct! [2022-11-20 19:46:18,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa46c6b-fd6a-4e83-8fc0-ecbf718a8795/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE