./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS --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 d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 --- 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-8393723 [2022-11-19 07:07:05,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:07:05,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:07:05,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:07:05,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:07:05,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:07:05,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:07:05,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:07:05,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:07:05,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:07:05,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:07:05,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:07:05,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:07:05,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:07:05,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:07:05,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:07:05,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:07:05,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:07:05,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:07:05,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:07:05,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:07:05,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:07:05,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:07:05,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:07:05,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:07:05,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:07:05,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:07:05,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:07:05,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:07:05,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:07:05,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:07:05,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:07:05,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:07:05,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:07:05,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:07:05,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:07:05,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:07:05,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:07:05,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:07:05,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:07:05,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:07:05,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:07:05,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:07:05,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:07:05,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:07:05,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:07:05,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:07:05,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:07:05,581 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:07:05,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:07:05,582 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:07:05,582 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:07:05,583 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:07:05,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:07:05,584 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:07:05,584 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:07:05,584 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:07:05,584 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:07:05,585 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:07:05,585 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:07:05,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:07:05,586 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:07:05,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:07:05,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:07:05,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:07:05,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:07:05,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:07:05,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:07:05,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:07:05,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:07:05,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:07:05,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:07:05,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:07:05,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:07:05,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:07:05,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:07:05,591 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:07:05,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:07:05,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:07:05,592 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:07:05,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:07:05,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:07:05,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:07:05,593 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_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 [2022-11-19 07:07:05,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:07:05,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:07:05,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:07:05,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:07:05,945 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:07:05,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2022-11-19 07:07:06,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data/287ba627e/dd98d740b3e744209dc92f5e27b56d3f/FLAG8d498af7c [2022-11-19 07:07:06,487 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:07:06,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2022-11-19 07:07:06,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data/287ba627e/dd98d740b3e744209dc92f5e27b56d3f/FLAG8d498af7c [2022-11-19 07:07:06,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data/287ba627e/dd98d740b3e744209dc92f5e27b56d3f [2022-11-19 07:07:06,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:07:06,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:07:06,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:07:06,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:07:06,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:07:06,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:07:06" (1/1) ... [2022-11-19 07:07:06,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b17aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:06, skipping insertion in model container [2022-11-19 07:07:06,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:07:06" (1/1) ... [2022-11-19 07:07:06,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:07:06,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:07:07,155 WARN L234 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_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2022-11-19 07:07:07,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:07:07,168 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:07:07,202 WARN L234 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_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2022-11-19 07:07:07,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:07:07,225 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:07:07,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07 WrapperNode [2022-11-19 07:07:07,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:07:07,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:07:07,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:07:07,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:07:07,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,272 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 160 [2022-11-19 07:07:07,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:07:07,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:07:07,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:07:07,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:07:07,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:07:07,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:07:07,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:07:07,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:07:07,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (1/1) ... [2022-11-19 07:07:07,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:07:07,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:07:07,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:07:07,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:07:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:07:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:07:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:07:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-19 07:07:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:07:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-19 07:07:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:07:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:07:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:07:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:07:07,557 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:07:07,559 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:07:07,805 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:07:07,988 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:07:07,988 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-19 07:07:07,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:07:07 BoogieIcfgContainer [2022-11-19 07:07:07,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:07:07,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:07:07,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:07:07,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:07:07,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:07:06" (1/3) ... [2022-11-19 07:07:08,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7980aab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:07:07, skipping insertion in model container [2022-11-19 07:07:08,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:07" (2/3) ... [2022-11-19 07:07:08,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7980aab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:07:08, skipping insertion in model container [2022-11-19 07:07:08,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:07:07" (3/3) ... [2022-11-19 07:07:08,002 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910b.c [2022-11-19 07:07:08,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:07:08,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:07:08,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:07:08,082 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;@6bb309f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:07:08,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:07:08,090 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 22 states have internal predecessors, (35), 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) [2022-11-19 07:07:08,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:07:08,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:07:08,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:07:08,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:07:08,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:07:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1031863828, now seen corresponding path program 1 times [2022-11-19 07:07:08,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:07:08,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726018779] [2022-11-19 07:07:08,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:07:08,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:07:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:07:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:07:08,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:07:08,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726018779] [2022-11-19 07:07:08,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726018779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:07:08,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:07:08,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:07:08,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285796836] [2022-11-19 07:07:08,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:07:08,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:07:08,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:07:08,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:07:08,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:07:08,387 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 22 states have internal predecessors, (35), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-19 07:07:08,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:07:08,450 INFO L93 Difference]: Finished difference Result 45 states and 69 transitions. [2022-11-19 07:07:08,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:07:08,453 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-11-19 07:07:08,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:07:08,462 INFO L225 Difference]: With dead ends: 45 [2022-11-19 07:07:08,463 INFO L226 Difference]: Without dead ends: 21 [2022-11-19 07:07:08,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:07:08,471 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:07:08,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:07:08,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-19 07:07:08,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-19 07:07:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 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) [2022-11-19 07:07:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2022-11-19 07:07:08,515 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 9 [2022-11-19 07:07:08,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:07:08,515 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2022-11-19 07:07:08,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-11-19 07:07:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-19 07:07:08,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:07:08,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:07:08,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:07:08,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:07:08,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:07:08,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:07:08,519 INFO L85 PathProgramCache]: Analyzing trace with hash 879180293, now seen corresponding path program 1 times [2022-11-19 07:07:08,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:07:08,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097552187] [2022-11-19 07:07:08,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:07:08,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:07:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:07:08,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:07:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:07:08,727 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:07:08,728 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:07:08,730 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:07:08,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:07:08,735 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 07:07:08,739 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:07:08,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:07:08 BoogieIcfgContainer [2022-11-19 07:07:08,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:07:08,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:07:08,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:07:08,769 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:07:08,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:07:07" (3/4) ... [2022-11-19 07:07:08,773 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:07:08,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:07:08,774 INFO L158 Benchmark]: Toolchain (without parser) took 1899.58ms. Allocated memory is still 119.5MB. Free memory was 80.1MB in the beginning and 88.1MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:07:08,774 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:07:08,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.42ms. Allocated memory is still 119.5MB. Free memory was 79.8MB in the beginning and 93.3MB in the end (delta: -13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:07:08,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.24ms. Allocated memory is still 119.5MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:07:08,776 INFO L158 Benchmark]: Boogie Preprocessor took 62.15ms. Allocated memory is still 119.5MB. Free memory was 91.2MB in the beginning and 89.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:07:08,777 INFO L158 Benchmark]: RCFGBuilder took 655.08ms. Allocated memory is still 119.5MB. Free memory was 89.5MB in the beginning and 67.8MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 07:07:08,777 INFO L158 Benchmark]: TraceAbstraction took 773.83ms. Allocated memory is still 119.5MB. Free memory was 67.1MB in the beginning and 88.1MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:07:08,778 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 119.5MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:07:08,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.42ms. Allocated memory is still 119.5MB. Free memory was 79.8MB in the beginning and 93.3MB in the end (delta: -13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.24ms. Allocated memory is still 119.5MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.15ms. Allocated memory is still 119.5MB. Free memory was 91.2MB in the beginning and 89.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.08ms. Allocated memory is still 119.5MB. Free memory was 89.5MB in the beginning and 67.8MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 773.83ms. Allocated memory is still 119.5MB. Free memory was 67.1MB in the beginning and 88.1MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 119.5MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 123]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryFLOAToperation at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L32] static const float zero_log = 0.0; [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L118] float x = -0.0f; [L119] CALL, EXPR __ieee754_logf(x) [L35] float hfsq, f, s, z, R, w, t1, t2, dk; [L36] __int32_t k, ix, i, j; VAL [\old(x)=33554433, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=33554433, zero_log=0] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (ix) = gf_u.word [L44] k = 0 VAL [\old(x)=33554433, ix=-2, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=33554433, zero_log=0] [L45] COND TRUE ((ix & 0x7fffffff) == 0) [L46] return -two25_log / zero_log; VAL [\old(x)=33554433, ix=-2, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=33554433, zero_log=0] [L119] RET, EXPR __ieee754_logf(x) [L119] float res = __ieee754_logf(x); [L122] CALL, EXPR isinf_float(res) [L16] __int32_t ix; VAL [\old(x)=33554434, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=33554434, zero_log=0] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (ix) = gf_u.word [L22] ix &= 0x7fffffff [L23] return ((ix) == 0x7f800000L); [L122] RET, EXPR isinf_float(res) [L122] COND TRUE !isinf_float(res) [L123] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=33554434, two25_log=33554432, x=33554433, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 21 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-19 07:07:08,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 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_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS --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 d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 --- 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-8393723 [2022-11-19 07:07:11,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:07:11,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:07:11,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:07:11,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:07:11,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:07:11,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:07:11,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:07:11,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:07:11,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:07:11,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:07:11,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:07:11,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:07:11,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:07:11,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:07:11,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:07:11,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:07:11,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:07:11,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:07:11,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:07:11,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:07:11,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:07:11,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:07:11,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:07:11,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:07:11,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:07:11,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:07:11,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:07:11,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:07:11,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:07:11,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:07:11,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:07:11,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:07:11,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:07:11,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:07:11,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:07:11,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:07:11,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:07:11,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:07:11,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:07:11,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:07:11,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-19 07:07:11,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:07:11,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:07:11,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:07:11,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:07:11,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:07:11,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:07:11,313 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:07:11,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:07:11,314 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:07:11,314 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:07:11,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:07:11,314 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:07:11,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:07:11,315 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:07:11,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:07:11,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:07:11,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:07:11,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:07:11,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:07:11,316 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:07:11,317 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:07:11,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:07:11,317 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:07:11,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:07:11,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:07:11,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:07:11,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:07:11,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:07:11,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:07:11,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:07:11,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:07:11,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:07:11,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:07:11,323 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:07:11,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:07:11,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:07:11,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:07:11,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:07:11,324 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_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3a055bb9d53f77724c1dac9c78593cd811371321391d876315f494413ec0f42 [2022-11-19 07:07:11,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:07:11,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:07:11,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:07:11,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:07:11,803 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:07:11,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2022-11-19 07:07:11,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data/2f08f0f21/fe8ae85b2a9d42be84abc7964abe083e/FLAGc0c7941bb [2022-11-19 07:07:12,491 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:07:12,495 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c [2022-11-19 07:07:12,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data/2f08f0f21/fe8ae85b2a9d42be84abc7964abe083e/FLAGc0c7941bb [2022-11-19 07:07:12,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/data/2f08f0f21/fe8ae85b2a9d42be84abc7964abe083e [2022-11-19 07:07:12,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:07:12,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:07:12,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:07:12,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:07:12,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:07:12,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:07:12" (1/1) ... [2022-11-19 07:07:12,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcf19ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:12, skipping insertion in model container [2022-11-19 07:07:12,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:07:12" (1/1) ... [2022-11-19 07:07:12,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:07:12,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:07:13,202 WARN L234 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_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2022-11-19 07:07:13,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:07:13,224 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:07:13,270 WARN L234 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_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/sv-benchmarks/c/float-newlib/float_req_bl_0910b.c[3133,3146] [2022-11-19 07:07:13,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:07:13,291 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:07:13,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13 WrapperNode [2022-11-19 07:07:13,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:07:13,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:07:13,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:07:13,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:07:13,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,347 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2022-11-19 07:07:13,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:07:13,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:07:13,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:07:13,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:07:13,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:07:13,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:07:13,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:07:13,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:07:13,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (1/1) ... [2022-11-19 07:07:13,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:07:13,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:07:13,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:07:13,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:07:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:07:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:07:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:07:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-19 07:07:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:07:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:07:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:07:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-19 07:07:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:07:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:07:13,640 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:07:13,642 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:07:31,073 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:07:31,080 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:07:31,080 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-19 07:07:31,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:07:31 BoogieIcfgContainer [2022-11-19 07:07:31,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:07:31,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:07:31,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:07:31,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:07:31,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:07:12" (1/3) ... [2022-11-19 07:07:31,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b69b60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:07:31, skipping insertion in model container [2022-11-19 07:07:31,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:07:13" (2/3) ... [2022-11-19 07:07:31,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b69b60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:07:31, skipping insertion in model container [2022-11-19 07:07:31,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:07:31" (3/3) ... [2022-11-19 07:07:31,093 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910b.c [2022-11-19 07:07:31,113 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:07:31,113 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:07:31,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:07:31,178 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;@4252c786, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:07:31,178 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:07:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 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) [2022-11-19 07:07:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:07:31,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:07:31,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:07:31,194 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:07:31,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:07:31,207 INFO L85 PathProgramCache]: Analyzing trace with hash -179144357, now seen corresponding path program 1 times [2022-11-19 07:07:31,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:07:31,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843199446] [2022-11-19 07:07:31,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:07:31,225 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 [2022-11-19 07:07:31,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:07:31,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:07:31,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:07:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:07:31,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 07:07:32,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:07:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:07:32,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:07:32,021 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:07:32,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843199446] [2022-11-19 07:07:32,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843199446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:07:32,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:07:32,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:07:32,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597834136] [2022-11-19 07:07:32,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:07:32,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:07:32,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:07:32,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:07:32,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:07:32,065 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-19 07:07:32,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:07:32,086 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2022-11-19 07:07:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:07:32,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-11-19 07:07:32,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:07:32,099 INFO L225 Difference]: With dead ends: 64 [2022-11-19 07:07:32,099 INFO L226 Difference]: Without dead ends: 30 [2022-11-19 07:07:32,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:07:32,107 INFO L413 NwaCegarLoop]: 43 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, 43 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 [2022-11-19 07:07:32,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:07:32,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-19 07:07:32,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-19 07:07:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 29 states have internal predecessors, (40), 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) [2022-11-19 07:07:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2022-11-19 07:07:32,148 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 11 [2022-11-19 07:07:32,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:07:32,149 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-11-19 07:07:32,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-19 07:07:32,149 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-11-19 07:07:32,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:07:32,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:07:32,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:07:32,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:07:32,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:07:32,367 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:07:32,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:07:32,368 INFO L85 PathProgramCache]: Analyzing trace with hash 574087680, now seen corresponding path program 1 times [2022-11-19 07:07:32,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:07:32,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967863258] [2022-11-19 07:07:32,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:07:32,369 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 [2022-11-19 07:07:32,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:07:32,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:07:32,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:07:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:07:32,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-19 07:07:33,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:07:33,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:07:33,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:07:33,940 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:07:33,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967863258] [2022-11-19 07:07:33,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967863258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:07:33,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:07:33,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:07:33,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898988744] [2022-11-19 07:07:33,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:07:33,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:07:33,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:07:33,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:07:33,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:07:33,944 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) [2022-11-19 07:07:38,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:40,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:43,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:45,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:47,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:49,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:51,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:53,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:55,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:57,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:59,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:08:02,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:08:03,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-19 07:08:03,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:03,085 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2022-11-19 07:08:03,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:08:03,105 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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 [2022-11-19 07:08:03,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:03,106 INFO L225 Difference]: With dead ends: 46 [2022-11-19 07:08:03,106 INFO L226 Difference]: Without dead ends: 38 [2022-11-19 07:08:03,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-19 07:08:03,108 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 39 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:03,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 160 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 28.4s Time] [2022-11-19 07:08:03,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-19 07:08:03,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2022-11-19 07:08:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 29 states have internal predecessors, (39), 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) [2022-11-19 07:08:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2022-11-19 07:08:03,114 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 13 [2022-11-19 07:08:03,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:03,115 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2022-11-19 07:08:03,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 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) [2022-11-19 07:08:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-11-19 07:08:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 07:08:03,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:08:03,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:08:03,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:08:03,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:08:03,319 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:08:03,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:08:03,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1681903329, now seen corresponding path program 1 times [2022-11-19 07:08:03,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:08:03,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865013701] [2022-11-19 07:08:03,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:08:03,321 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 [2022-11-19 07:08:03,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:08:03,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:08:03,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:08:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:08:03,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 07:08:03,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:08:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:08:04,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:08:04,043 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:08:04,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865013701] [2022-11-19 07:08:04,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865013701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:08:04,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:08:04,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:08:04,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443596015] [2022-11-19 07:08:04,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:08:04,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:08:04,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:08:04,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:08:04,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:08:04,046 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-11-19 07:08:04,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:08:04,122 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2022-11-19 07:08:04,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:08:04,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-11-19 07:08:04,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:08:04,123 INFO L225 Difference]: With dead ends: 30 [2022-11-19 07:08:04,123 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:08:04,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:08:04,125 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:08:04,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:08:04,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:08:04,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:08:04,127 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) [2022-11-19 07:08:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:08:04,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-19 07:08:04,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:08:04,128 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:08:04,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-11-19 07:08:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:08:04,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:08:04,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:08:04,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:08:04,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:08:04,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:08:04,690 INFO L902 garLoopResultBuilder]: At program point L126(lines 112 127) the Hoare annotation is: true [2022-11-19 07:08:04,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:08:04,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-19 07:08:04,690 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 46) no Hoare annotation was computed. [2022-11-19 07:08:04,690 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 86) no Hoare annotation was computed. [2022-11-19 07:08:04,690 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 54 58) no Hoare annotation was computed. [2022-11-19 07:08:04,691 INFO L895 garLoopResultBuilder]: At program point L54-2(lines 54 58) the Hoare annotation is: false [2022-11-19 07:08:04,691 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 78) no Hoare annotation was computed. [2022-11-19 07:08:04,691 INFO L899 garLoopResultBuilder]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2022-11-19 07:08:04,691 INFO L895 garLoopResultBuilder]: At program point L38-2(lines 38 42) the Hoare annotation is: (and (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= (fp.neg (_ +zero 8 24)) |ULTIMATE.start___ieee754_logf_~x#1|) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-19 07:08:04,692 INFO L899 garLoopResultBuilder]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2022-11-19 07:08:04,692 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 63 67) no Hoare annotation was computed. [2022-11-19 07:08:04,692 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 63 67) the Hoare annotation is: false [2022-11-19 07:08:04,692 INFO L899 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2022-11-19 07:08:04,692 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2022-11-19 07:08:04,692 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2022-11-19 07:08:04,693 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 108) no Hoare annotation was computed. [2022-11-19 07:08:04,693 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 77) no Hoare annotation was computed. [2022-11-19 07:08:04,693 INFO L899 garLoopResultBuilder]: For program point L97(lines 97 109) no Hoare annotation was computed. [2022-11-19 07:08:04,693 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 125) no Hoare annotation was computed. [2022-11-19 07:08:04,693 INFO L895 garLoopResultBuilder]: At program point L23(lines 15 24) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= .cse0 |ULTIMATE.start_isinf_float_~x#1|) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= |ULTIMATE.start_isinf_float_#res#1| (_ bv1 32)) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_logf_#res#1| .cse0))) [2022-11-19 07:08:04,693 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-19 07:08:04,694 INFO L899 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2022-11-19 07:08:04,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2022-11-19 07:08:04,694 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2022-11-19 07:08:04,694 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2022-11-19 07:08:04,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:08:04,694 INFO L899 garLoopResultBuilder]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2022-11-19 07:08:04,695 INFO L895 garLoopResultBuilder]: At program point L17-2(lines 17 21) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (and (= .cse0 |ULTIMATE.start_isinf_float_~x#1|) (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_logf_#res#1| .cse0))) [2022-11-19 07:08:04,695 INFO L899 garLoopResultBuilder]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2022-11-19 07:08:04,695 INFO L895 garLoopResultBuilder]: At program point L108(lines 34 110) the Hoare annotation is: (and (= ~two25_log~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_logf_#res#1| (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) [2022-11-19 07:08:04,695 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 59) no Hoare annotation was computed. [2022-11-19 07:08:04,695 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2022-11-19 07:08:04,699 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-19 07:08:04,702 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:08:04,712 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,713 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,714 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,714 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,714 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,714 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,715 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,715 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,715 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,720 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,720 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,720 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,720 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,721 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,721 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,721 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,722 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,723 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,723 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,723 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,723 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,724 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,725 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,725 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,726 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,726 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,726 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,726 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,727 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,727 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,727 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,727 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,727 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,728 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,728 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,729 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,729 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,729 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,729 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,729 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,730 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,730 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,731 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,731 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:08:04 BoogieIcfgContainer [2022-11-19 07:08:04,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:08:04,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:08:04,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:08:04,733 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:08:04,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:07:31" (3/4) ... [2022-11-19 07:08:04,737 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:08:04,749 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-19 07:08:04,760 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-19 07:08:04,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:08:04,766 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:08:04,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2022-11-19 07:08:04,801 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2022-11-19 07:08:04,801 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && \result == 1bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) [2022-11-19 07:08:04,838 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:08:04,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:08:04,840 INFO L158 Benchmark]: Toolchain (without parser) took 51964.15ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 74.0MB in the end (delta: -30.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-11-19 07:08:04,841 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:08:04,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.25ms. Allocated memory is still 79.7MB. Free memory was 64.1MB in the beginning and 60.0MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:08:04,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.85ms. Allocated memory is still 79.7MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:08:04,842 INFO L158 Benchmark]: Boogie Preprocessor took 78.33ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 55.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:08:04,843 INFO L158 Benchmark]: RCFGBuilder took 17655.91ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 39.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 07:08:04,843 INFO L158 Benchmark]: TraceAbstraction took 33647.22ms. Allocated memory is still 79.7MB. Free memory was 38.4MB in the beginning and 30.3MB in the end (delta: 8.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-19 07:08:04,844 INFO L158 Benchmark]: Witness Printer took 106.05ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 30.3MB in the beginning and 74.0MB in the end (delta: -43.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-11-19 07:08:04,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.25ms. Allocated memory is still 79.7MB. Free memory was 64.1MB in the beginning and 60.0MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.85ms. Allocated memory is still 79.7MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.33ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 55.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 17655.91ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 39.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 33647.22ms. Allocated memory is still 79.7MB. Free memory was 38.4MB in the beginning and 30.3MB in the end (delta: 8.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 106.05ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 30.3MB in the beginning and 74.0MB in the end (delta: -43.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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: 123]: 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 28.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 27.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 136 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 139 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 15 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant [2022-11-19 07:08:04,878 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,878 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,878 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,878 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,879 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,879 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,879 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,879 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,880 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,880 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,881 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,881 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,882 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,882 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,883 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,883 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,883 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,883 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant [2022-11-19 07:08:04,885 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,885 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,886 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,886 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,886 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,887 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,887 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,888 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,888 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,888 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 15]: Loop Invariant [2022-11-19 07:08:04,889 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,889 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,889 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,890 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,890 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,890 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,891 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,891 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,892 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,893 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,893 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,893 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,893 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,894 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,894 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,894 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,894 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,894 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == x && two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && \result == 1bv32) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 38]: Loop Invariant [2022-11-19 07:08:04,896 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-19 07:08:04,897 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((two25_log == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) && ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) == x) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-11-19 07:08:05,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f965b71d-964e-4889-9f5a-ec9b1a3bb1d4/bin/utaipan-I9t0OCRTmS/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